10th week of 2014 patent applcation highlights part 27 |
Patent application number | Title | Published |
20140062332 | POWER SUPPLY DEVICE FOR LED AND LIGHT EMITTING DEVICE HAVING THE SAME - Disclosed is a power supply device including a wired controller receiving AC power to generate a driving voltage, and outputting a lighting driving signal, a wireless controller wirelessly receiving a lighting control signal and outputting the lighting control signal to the wired controller, and a standby power supply unit receiving a reference standby voltage based on the driving voltage, storing the reference standby voltage, and supplying the reference standby voltage to the wireless controller as standby power. In the lighting control device based on wired/wireless communication, the power is always obtained from the super capacitor to turn on the wireless controller, so that the turn-on state of the power generator of the wired controller is not always required. The power consumption is reduced by reducing the standby power. | 2014-03-06 |
20140062333 | LED DRIVE CIRCUIT - In aspects of the invention, a flyback converter configuration LED drive circuit, by adopting a configuration such that anode voltages of LEDs smoothed by a smoothing capacitor on the secondary side of a transformer and a terminal of a drive IC circuit are used as a node common. Current can be supplied to the primary side of the smoothing capacitor by a start-up circuit when starting, the need for an auxiliary winding, smoothing capacitor, and rectifier diode which have heretofore been necessary to supply a power source to the drive IC circuit is eliminated. Consequently, the number of parts can be reduced, meaning that the configuration of the LED drive circuit becomes simple, thus enabling a reduction in size and cost of the LED drive circuit. | 2014-03-06 |
20140062334 | ILLUMINATION CONTROL SYSTEM - An illumination control system includes a controller configured to set a lighting condition including a color temperature and a dimming level of a light outputted from an illumination apparatus. The controller includes: a wireless communication unit for outputting a control signal including the lighting condition, a touch panel provided on a display to sense a position touched thereon, and an image capture unit for capturing an image of the illumination apparatus, wherein when the image of the illumination apparatus is displayed on the display and the touch panel is touched to produce a touch pattern, the wireless communication unit outputs the control signal including the lighting condition set based on the touch pattern. | 2014-03-06 |
20140062335 | ELECTRICAL POWER CONTROL OF A FIELD EMISSION LIGHTING SYSTEM - The present invention relates to a field emission lighting arrangement, comprising an anode structure at least partly covered by a phosphor layer, an evacuated envelope inside of which an anode structure is arranged, and a field emission cathode, wherein the field emission lighting arrangement is configured to receive a drive signal for powering the field emission lighting arrangement and to sequentially activate selected portions of the phosphor layer for emitting light. The same control regime may be applied to an arrangement comprising a plurality of field emission cathodes and a single field emission anode. Advantages with the invention includes increase lifetime of the field emission lighting arrangement. | 2014-03-06 |
20140062336 | LIGHT EMITTING DEVICE WITH CERAMIC CONVERSION MATERIAL - The invention relates to a light delivery device comprising a conversion element and one or several LEDs, which emit light into the conversion element. The light is then converted and emitted with a high radiant flux. | 2014-03-06 |
20140062337 | DECORATION LAMP FOR PRODUCING MATCHED SOUND AND ILLUMINATION EFFECTS - A decoration lamp with a speaker for correspondingly illuminating and speaking has a decoration body, multiple fixtures, multiple illumination units, a translucent cover, a speaker and a control device. The fixtures are mounted on the decoration body. The illumination units are mounted in the fixtures. The translucent cover is mounted on the decoration body to cover the illumination units. The control device sequentially activates the illumination units for changing the patterns and activates the speaker making voices for the patterns. The patterns and the voices change synchronously. | 2014-03-06 |
20140062338 | Lighting Control Device - A lighting control device can include a control module and a processing module. The control module can provide a driving signal. The driving signal can modify a control voltage on a control interface. The control voltage can control a controllable ballast or driver. The processing module can determine a duty cycle of the driving signal. The control module and the processing module can receive power via the control interface and a power supply on the control device. | 2014-03-06 |
20140062339 | Lighting Device - A technology is provided for communicating with a microprocessor that is powering a plurality of light emitting diodes (LEDs). Information bits may be received at a microprocessor circuit coupled to the plurality of LEDs. The microprocessor may be capable of receiving voltage from a voltage source. A code sequence may be identified using the information bits. The code sequence may be associated with an action to be performed with the plurality of LEDs. The code sequence may be decoded, at the microprocessor, so that the action can be performed with the plurality of LEDs. | 2014-03-06 |
20140062340 | Electrical Switch Device with Automatic Control - The electrical switch device can operate a lighting device when a user is not present. The electrical switch device can include a housing having a number of walls forming a cavity. The electrical switch device can also include a controller positioned within the cavity and used to operate a lighting device. The electrical switch device can further include a storage repository that stores a usage history for the lighting device and memory to store instructions. The electrical switch device can further include a timer that tracks time and a hardware processor for executing the instructions, where the hardware processor is operatively coupled to the memory, the timer, and the controller. The electrical switch device can also include a control switch that has an enabled state and a disabled state, where the enabled state allows the hardware processor to control the controller based on the usage history. | 2014-03-06 |
20140062341 | APPARATUS AND METHOD FOR SCHEDULE BASED OPERATION OF A LUMINAIRE - An illumination system verifies controls the operation of a luminaire without the use of any photometric data. The illumination system uses data indicative of a current time, date or latitude to determine one or more aspects of a solar event. Such aspects can include a scheduled, predicted or expected time of occurrence of the scheduled solar event. Responsive to the determination of a scheduled, predicted or expected time of occurrence of the scheduled solar event, a control subsystem can adjust the luminous output of a light source. | 2014-03-06 |
20140062342 | Bed Exit Night Light - The invention is a Bed Exit Night Light System designed to illuminate a hospital room if a patient leaves his bed, but is not activated by the presence of hospital staff or casual movement of equipment. | 2014-03-06 |
20140062343 | CYCLOTRON - A cyclotron that accelerates an ion using a magnetic field includes a hollow yoke and an ion source that is provided in the yoke and generates an ion. The ion source includes a conductive cylindrical body and a filament disposed in the cylindrical body. A current is supplied from a power supply to the filament, and a direction of the current supplied to the filament is changed. | 2014-03-06 |
20140062344 | INTERRUPTED PARTICLE SOURCE - A synchrocyclotron includes magnetic structures to provide a magnetic field to a cavity, a particle source to provide a plasma column to the cavity, where the particle source has a housing to hold the plasma column, and where the housing is interrupted at an acceleration region to expose the plasma column, and a voltage source to provide a radio frequency (RF) voltage to the cavity to accelerate particles from the plasma column at the acceleration region. | 2014-03-06 |
20140062345 | ACTUATING APPARATUS - An actuating apparatus includes a first pulley to which a rotational power of a motor is transmitted, a second pulley to which a rotational power of the first pulley is transmitted through a wire, displacement encoders for detecting respective rotational angles of the first pulley and the second pulley, a slip amount calculator for calculating a slip amount of the second pulley with respect to the wire, and a motor controller for controlling a torque output from the motor based on the slip amount. The slip amount calculator calculates the slip amount based on a change in a rotational angular velocity of the first pulley, a difference between the rotational angles of the first pulley and the second pulley, and the torque output from the motor. | 2014-03-06 |
20140062346 | SWITCHED CAPACITOR CHARGE PUMP DRIVER FOR PIEZOELECTRIC ACTUATOR - A switched capacitor charge pump driver for piezoelectric actuator includes a power source, a first switching capacitor and a piezoelectric actuating circuit, wherein during being at a first state, the first capacitor is charged by the power source; during being at a second state, the first capacitor is discharged to the piezoelectric actuator in the actuating circuit. The switched capacitor charge pump driver for piezoelectric actuator can expand the application of charge controller to a broader frequency range, especially at low frequencies and effectively decrease the hysteresis of piezoelectric stack over a large frequency range even at a quasistatic state. In addition, a method for driving piezoelectric actuator by a switched capacitor charge pump is provided. | 2014-03-06 |
20140062347 | ELECTRONIC FITNESS DEVICE - An electronic fitness device is provided, the electronic fitness device including an enclosure having a cover, a motor positioned within the enclosure, a circuit board, a variable resistor positioned on the circuit board, the variable resistor comprising a first trace, a second trace, and a semiconductive film disposed over the first trace and the second trace, and control circuitry coupled to at least the motor and the circuit board. The cover is positioned to press the semiconductive film against the first trace and the second trace in response to a pressure applied to the cover, and the control circuitry is configured to actuate the motor in response to a change in the resistance between the first trace and the second trace resulting from the pressure applied to the cover. Also provided are a method of monitoring abdominal muscle position, and control circuitry. | 2014-03-06 |
20140062348 | CONTROL STRATEGY FOR AN ELECTRIC MACHINE IN A VEHICLE - A hybrid-electric vehicle method of controlling a hybrid electric vehicle is provided. The vehicle includes a traction battery, at least two electric-machines, and a controller. The controller is configured to, in response to a faulted condition one of the electric-machines during a drive cycle, command the other of the electric-machines to function in a mode in which torque output is restricted to a threshold value that depends on a voltage of the battery to maintain vehicle propulsion during the drive cycle. | 2014-03-06 |
20140062349 | CONTROL STRATEGY FOR AN ELECTRIC MACHINE IN A VEHICLE - A hybrid-electric vehicle and method of controlling a hybrid-vehicle is provided. The vehicle includes a traction battery, at least one electric-machine, and a controller. The controller is configured to alter a voltage between the battery and the electric-machine based on a measured voltage of the battery or the high voltage bus. In response to an indication that the measured voltage is faulty during a drive cycle, the controller instead alters the voltage between the battery and the electric machine based on a substituted battery voltage signal such that the electric-machine remains operable for the drive cycle. | 2014-03-06 |
20140062350 | APPARATUS FOR CONTROLLING MOTOR FOR ELECTRIC VEHICLE AND METHOD FOR REDUCING TORQUE RIPPLE USING THE SAME - An apparatus controlling an electric vehicle motor and a method to reduce torque ripple using the same are provided. | 2014-03-06 |
20140062351 | Electrically Pedal-Assisted Bicycle - It is described an electronic system ( | 2014-03-06 |
20140062352 | MOTOR CONTROL SYSTEM AND CONTROL SYSTEM FOR ELECTRIC MOTOR-DRIVEN VEHICLE - A motor control system includes a drive motor and a deck motor that are connected to a battery, an ECU, and a key switch. The key switch acquires that an operation unit has been turned on, and transmits a restart permission signal to the ECU. When SOC of the battery reaches or falls below a first threshold set in advance, the ECU performs a step of disabling all the motors, and when the restart permission signal is received, the ECU performs a step of executing a decelerated travelling mode where the disabled state of the drive motor is released and an allowed speed of the drive motor is reduced. | 2014-03-06 |
20140062353 | ROTOR POSITION ESTIMATING DEVICE, ELECTRIC MOTOR CONTROL SYSTEM AND ROTOR POSITION ESTIMATING METHOD - A rotor position estimating device includes a voltage application unit, a current detecting unit and an estimating unit. The voltage application unit is configured to apply a d-axis voltage to an electric motor including a salient-pole rotor during a stop of the electric motor. The current detecting unit is configured to detect a q-axis current flowing through the electric motor at the time when the d-axis voltage is applied. The estimating unit is configured to estimate a rotor position during a stop of the electric motor on the basis of the q-axis current detected by the current detecting unit. The voltage application unit is configured to set a voltage application time in correspondence with peak timing at which the q-axis current reaches a peak in a transitional response characteristic of the q-axis current at the time when the d-axis voltage is applied. | 2014-03-06 |
20140062354 | REGENERATIVE INVERTER DEVICE AND INVERTER DEVICE USING POWER CELL UNIT - An inverter device may include a converter unit configured to receive single phase AC power to output DC power; a capacitor unit configured to absorb the DC power; an inverter unit configured to synthesize the absorbed DC power to output the drive power of a load; and a converter controller configured to control the converter unit based on the AC power and the output DC power of the converter unit, wherein the converter controller includes a converter gate signal generator configured to control a plurality of gates contained in the converter unit; and an input line harmonic voltage generator configured to output converter additional power having a predetermined multiple of the frequency of the fundamental frequency component of the AC power with the same size as that of the fundamental frequency component of the AC power to an adder connected to the input side of the converter gate signal generator. | 2014-03-06 |
20140062355 | SINGLE PHASE MOTOR DRIVE CIRCUIT, SINGLE PHASE MOTOR APPARATUS, APPARATUS HAVING FAN - According to an embodiment, single phase motor drive circuit includes a counter unit, an energization pattern generation unit, and a drive unit. The unit counts a time of phase switching of a Hall signal based on a clock signal. The energization pattern generation unit generates an energization pattern based on the count result of the counter unit. The drive unit generates a pulse width modulation (PWM) signal based on a duty setting signal and the energization pattern signal to output an output signal to drive a single phase motor based on the PWM signal. | 2014-03-06 |
20140062356 | INVERTER FOR DRIVING AN ELECTRICAL LOAD AND METHOD FOR OPERATING AN INTERTER - A method for operating an inverter, wherein the inverter can be connected to a DC voltage source on the input side for the purpose of electrical energy supply, wherein the inverter has a plurality of controllable switches which are switched alternately in order to provide a polyphase electric current on a corresponding plurality of phase lines of the inverter, in particular in order to supply an electric machine with electric current in polyphase fashion, wherein at least one electrical variable of at least one of the phase lines and at least one switch-on time of at least one of the controllable switches are detected and an input current is determined on the basis of the detected variables. | 2014-03-06 |
20140062357 | MOTOR DRIVING APPARATUS AND OPERATING METHOD THEREOF - There are a motor driving apparatus and an operating method thereof, the motor driving apparatus including: a speed sensor generating a sensor output signal of a motor; a reference signal generating unit generating a reference signal by using the sensor output signal; a pulse counting unit counting the reference signal during a pulse width period of the sensor output signal to provide a count value; and a glitch controlling unit determining whether a glitch is present or not using the count value to remove a glitch when present. | 2014-03-06 |
20140062358 | Electronic Circuit and Method for Automatically Adjusting a Phase of a Drive Signal Applied to an Electric Motor in Accordance with a Zero Current Detected in a Winding of the Electric Motor - A motor control circuit and associated techniques can adjust a phase of a motor drive to keep a rotational reference position of an electric motor at the same relative phase as a zero current in a motor winding at different motor speeds and as the motor accelerates and decelerates. In some embodiments, a particular circuit and technique can be used to detect the zero current in the motor winding. | 2014-03-06 |
20140062359 | VEHICLE INCLUDING MOTOR CONTROL DEVICE, AND CONTROL METHOD FOR VEHICLE - A vehicle, including a motor having a rotor, a resolver that detects a rotation angle of the rotor and a control device, and a control method for the vehicle are provided. The control device executes rectangular-wave control over the motor using the rotation angle of the rotor, detected by the resolver, executes zero learning for learning a deviation between an origin of an actual rotation angle of the rotor and an origin of the detected rotation angle of the rotor, corrects the detected rotation angle of the rotor on the basis of a result of the zero learning, and, when the zero learning has not been completed yet, executes avoidance control for avoiding a rapid variation in output of the motor. | 2014-03-06 |
20140062360 | MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD - A motor control device includes an energization pattern output portion and an inverter circuit. The energization pattern output portion cyclically outputs a plurality of energization patterns. The inverter circuit selectively connects respective coils provided in a motor to a rectifier circuit according to the output energization pattern. The energization pattern output portion delays the output timing of the energization pattern according to a rotation speed of the motor. | 2014-03-06 |
20140062361 | DRIVER FOR SWITCHING ELEMENT AND CONTROL SYSTEM FOR ROTARY MACHINE USING THE SAME - In a driver, a discharging module discharges, at a discharging rate, the on-off control terminal of a switching element in response to a drive signal being shifted from an on state to an off state. A changing module determines whether a condition including a level of a sense signal being higher than a threshold level during the on state of the drive signal is met, and changes the discharging rate of the on-off control terminal in response to the drive signal being shifted from the off state to the on state upon determination that the condition is met. A loosening module loosens the condition after a lapse of a period since the shift of the drive signal from the off state to the on state in comparison to the condition immediately after the shift of the drive signal from the off state to the on state. | 2014-03-06 |
20140062362 | CONTROL DEVICE OF PERMANENT MAGNET SYNCHRONOUS MOTOR FOR PREVENTING IRREVERSIBLE DEMAGNETIZATION OF PERMANENT MAGNET AND CONTROL SYSTEM INCLUDING THE SAME - A maximum current value determination unit determines the maximum current value of a permanent magnet synchronous motor in order to prevent irreversible demagnetization of a permanent magnet of the permanent magnet synchronous motor that may occur by transient current occurring at the time of short-circuiting of three phases, based on one of a set of irreversible demagnetization causing current value corresponding to permanent magnet temperature and the transient current occurring at the time of the short-circuiting of three phases, and a set of irreversible demagnetization causing magnetic field intensity corresponding to the permanent magnet temperature and demagnetization field intensity of the permanent magnet of the permanent magnet synchronous motor occurring at the time of the short-circuiting of three phases. A current control unit controls the current of the permanent magnet synchronous motor so that the current value of the permanent magnet synchronous motor is less than the maximum current value. | 2014-03-06 |
20140062363 | MOTOR DRIVING APPARATUS - There is provided a motor driving apparatus capable of implementing a soft switching method using a simple circuit. The motor driving apparatus includes: a driving unit including a plurality of transistor pairs, respectively including at least two transistor units connected between a driving power terminal supplying driving power and a ground, and connected in parallel to each other, the plurality of transistor pairs being switched according to a switching control signal to drive a motor; and a driving control unit providing the switching control signal controlling switching of the respective transistor units of the plurality of transistor pairs, wherein at least one transistor unit of the plurality of transistor pairs includes a plurality of transistors connected in parallel to each other and being switched on or off in a predetermined order. | 2014-03-06 |
20140062364 | METHOD AND APPARATUS FOR DRIVING A SENSORLESS BLDC/PMSM MOTOR - A method for driving a BLDC motor comprising at least three stator windings, comprising: a) determining a time period, and energizing during the time period two of the windings and leaving a third winding un-energized, based on a first motor state; b) measuring a first voltage representative for the back-EMF generated in the un-energized winding shortly before expiry of the time period; c) applying a commutation at expiry of the current time period; d) measuring a second voltage shortly after the commutation, and calculating a subsequent time period; e) repeating steps b) and c). An electrical circuit and a controller are provided for performing these methods. | 2014-03-06 |
20140062365 | Electronic Circuit and Method for Detecting a Zero Current in a Winding of an Electric Motor - A motor control circuit and associated techniques detect a zero crossing of a current in a motor winding by detecting a revers current in a half bridge circuit used to drive the motor winding. | 2014-03-06 |
20140062366 | MOTOR UNIT - A rotation detector provided in a motor unit according to an embodiment includes a first support and a second support, a pair of magnetic field generator, at least one magnetic field detector, and a first magnetic member and a second magnetic member. The pair of magnetic field generator is provided on the first support in a manner facing the second support, and has opposite polarities. The magnetic field detector is formed by winding a coil around a magnetic element whose magnetized direction changes in the longitudinal direction, and is provided on the second support in such a manner that a longitudinal-direction side of the magnetic element faces the first support. Each of the first magnetic member and the second magnetic member is made of a magnetic material, and covers a longitudinal-direction end of the magnetic field detector facing the first support. | 2014-03-06 |
20140062367 | DETECTION CONTROL SYSTEM - A detection control system includes a sensing unit, a control module and a driving module for a motor including a rotor and a stator. The sensing unit electrically connects the motor to sense a first and a second magnetic pole of the rotor cross a chip disposed between the rotor and the stator; a third magnetic pole is alternated to a forth magnetic pole of the stator to generate a sensing signal. A detection unit of the control module detects a kickback voltage value generated by a first current value changing to a second current value to calculate a minimum current value to generate a detecting signal. A timing unit receives the sensing and the detecting signal to calculate a first and a second period of time, and a discharging time. The driving module drives the rotor by receiving a control signal the control unit generates by controlling an alternating time. | 2014-03-06 |
20140062368 | METHOD AND CONTROL DEVICE FOR PROTECTION TIME SETTING IN AN ELECTRIC DRIVE SYSTEM - The invention relates to a control device ( | 2014-03-06 |
20140062369 | APPARATUS AND METHOD FOR CONTROLLING SPEED OF MOTOR - An apparatus for controlling a speed of a motor, includes: a first duty change detection unit detecting a change in duty of a PWM signal supplied from the outside; a speed conversion unit converting a speed indication (command) having the PWM signal into an actual speed value (RPM value) based on the change in duty detected by the first duty change detection unit; a speed control unit generating a new speed indication value to be applied to a motor and determining the duty value of PWM signal based on the new speed indication value; a second duty change detection unit detecting the change in the duty value of PWM signal determined by the speed control unit; and a PWM generation unit generating the PWM signal actually applied to the motor based on the change in the duty value detected by the second duty change detection unit. | 2014-03-06 |
20140062370 | APPARATUS AND METHOD FOR CONTROLLING SPEED OF MOTOR - Disclosed herein are an apparatus and a method for controlling a speed of a motor. An apparatus for controlling a spaced of a motor according to an exemplary embodiment of the present invention includes: a PWM conversion unit detecting a hall sensor signal from a motor to output a pulse width modulated signal corresponding to the detected hall sensor signal; a duty detection unit detecting a duty value of the pulse width modulated signal output by the PWM conversion unit; an error calculation unit comparing a PWM duty input from the outside with a duty detected by the duty detection unit to obtain an error; and a speed control unit controlling a speed of a motor based on an error obtained by the error calculation unit. | 2014-03-06 |
20140062371 | METHOD AND SYSTEM FOR MOTOR THERMAL PROTECTION - Various methods and systems are provided for regulating fraction motor temperature via control of a traction motor blower. In one embodiment, a method comprises adjusting a speed of a traction motor blower based on ambient temperature, traction motor loss, and one or more traction motor temperatures. | 2014-03-06 |
20140062372 | FAN SPEED CONTROL CIRCUIT - A fan speed control circuit is provided. The circuit includes a control chip. The control chip stores a relationship table recording a number of duty cycle intervals and a number of rotational speeds of a fan. Each duty cycle interval corresponds to one rotational speed of the fan. The control chip obtains a preset number of PWM signals outputted by a processing chip; determines the average value according to the duty cycle of the obtained preset number of PWM signals; determines which duty cycle interval the average value is in, according to the relationship table; determines the rotational speed of the fan corresponding to the determined duty cycle interval according to the relationship table; and controls the fan to rotate according to the determined rotational speed. | 2014-03-06 |
20140062373 | MOTOR DRIVING DEVICE AND METHOD OF PROTECTING MOTOR DRIVING DEVICE - A motor driving device includes a motor driving circuit, an element temperature sensor, a control circuit, an ambient-temperature estimator, and an overheat protection processor. The motor driving circuit has a plurality of switching elements. The element temperature sensor is configured to detect a temperature of each of the switching elements. The ambient-temperature estimator is configured to estimate an ambient temperature around the control circuit based on a temperature of at least one of the switching elements detected by the element temperature sensor if the at least one of the switching elements is not performing the switching operation. The overheat protection processor is configured to execute a first overheat protection process to protect the control circuit from overheating if the ambient temperature around the control circuit estimated by the ambient-temperature estimator exceeds a first overheat criterion temperature. | 2014-03-06 |
20140062374 | MOTOR DRIVING DEVICE AND METHOD OF CONTROLLING THE SAME - There are provided a motor driving device and a method of controlling the same. The motor driving device includes a controlling unit; a plurality of unit circuits provided within the controlling unit and controlling driving of a motor; and a time slice controller provided within the controlling unit and periodically generating a wake-up signal, wherein some unit circuits among the plurality of unit circuits are operated for a certain operation time upon receiving the wake-up signal, thereby allowing for effective power consumption of the motor. | 2014-03-06 |
20140062375 | CONTROL APPARATUS FOR THREE-PHASE ROTARY MACHINE - An ECU having two inverters outputs AC currents, which have the same amplitude and a phase difference of 30°. When motor magnetic fluxes include distortion component of fifth harmonic, a torque ripple of sixth harmonic is generated in a torque of each drive system. The torque ripples of sixth harmonic are cancelled out in a sum of torques of the two drive systems. A fifth harmonic current having a frequency of fivefold are superimposed on base components of currents so that peak values of the base wave currents are reduced. As a result, heat generation arising from current peak values can be reduced. | 2014-03-06 |
20140062376 | FAN MOTOR - A fan motor, including: a variable speed motor and a motor controller. The motor controller includes: a microprocessor, an inverter unit, a gear detection unit, and a power supply unit. The power supply unit supplies power for each circuit. The gear detection unit is connected to a plurality of power input lines. Each power input line receives AC power from an AC power supply. The gear detection unit includes: a plurality of voltage detection circuits, and a plurality of thermal resistors. Each power input line is connected to a thermal resistor in series and matches up with a voltage detection circuit. Each voltage detection circuit includes a thermo-sensitive resistor that is bound to the corresponding thermal resistor via a thermal conductive element. The thermo-sensitive resistor detects a temperature signal of the thermal resistor and adjusts the voltage of the output end of the voltage detection circuit. | 2014-03-06 |
20140062377 | ACTUATING APPARATUS - An actuating apparatus has an actuator including a link having a plurality of joints and a plurality of motors for actuating the joints, and a controller for controlling the actuator. The controller controls the motors with a control torque m_τ_cntrl calculated according to the equation: | 2014-03-06 |
20140062378 | MOTOR CONTROL SYSTEM WHICH CORRECTS BACKLASH - A motor control system ( | 2014-03-06 |
20140062379 | SWITCHED RELUCTANCE MOTORS AND EXCITATION CONTROL METHODS FOR THE SAME - Provided are multiple switched reluctance motors and excitation control methods for same. Motors with various structures are provided having the same structural characteristics, a stator formed of an even number of salient pole pairs and a rotor formed of an even number of salient pole pairs. The salient poles of the stator salient pole pairs are arranged opposite the salient poles of the rotor salient pole pairs, with minimal air gaps left between said salient pole pairs, thus leaving the shortest magnetic return paths between the stator salient pole pairs and the rotor salient pole pairs arranged opposite one another, thus satisfying the minimum reluctance principle of the switched reluctance motor. In addition, due to the magnetic isolation between each stator salient pole pair, the performance of the magnetic pole of each stator salient pole pair is controlled by an excitation control power source and changed independently. | 2014-03-06 |
20140062380 | APPARATUS FOR ESTIMATING PARAMETER IN INDUCTION MOTOR - An apparatus for estimating a parameter of an induction motor is provided. The estimating apparatus receives an output from a current controller and d and q-axis currents in a synchronous reference frame applied to an induction motor, calculates an error of rotor resistance, and obtains a difference between the rotor resistance and nominal rotor resistance. | 2014-03-06 |
20140062381 | SCALABLE HARVESTING SYSTEM AND METHOD - A scalable energy harvesting system comprising at least one charging control device, at least one energy storage device responsive to the charging control device, at least one energy harvesting device operatively coupled to the charging control device, and a plurality of bus based power connectors operatively coupled to the charging control device. | 2014-03-06 |
20140062382 | BATTERY CHARGER AND FUEL CELL - A non-electric battery charging fuel cell system that includes a fuel cell system with a closed internal chamber and at least one magnesium anode and a cathode pair that is electrically connected to eternally accessible battery positions designed to receive rechargeable batteries. The addition of saltwater to fill the fuel cell begins the generation of electricity to recharge batteries | 2014-03-06 |
20140062383 | BALANCING APPARATUS, BALANCING METHOD, AND BATTERY MODULE - According to an example embodiment, a balancing apparatus includes: bi-directional switches that are respectively connected to cells that are connected in series, a controller configured to measure voltages of the cells, and a multiwinding transformed connected to the bi-directional switches. The bi-directional switches are configured to control a flow of an electric current bi-directionally. The controller is configured to select a number of the cells for balancing based on the measured voltages of the cells. The controller is configured to turn on and turn off the bi-directional switches that are connected to selected cells based on the measured voltages. The multi-winding transformer is configured to transfer energy between the cells when the bi-directional switches connected to the selected cells are turned on. | 2014-03-06 |
20140062384 | VEHICLE AND WIRELESS POWER SUPPLY SYSTEM - A vehicle ( | 2014-03-06 |
20140062385 | Battery System and Method for Identifying Unauthorized Module Replacement in a Battery System - A battery system includes a central battery management controller and a plurality of battery modules, which each have a module controller, and a readout device configured to read information. Within a scope of a start initialization, start identification features of the module controllers are detected by the battery management controller and are provided to the module controllers as future reference for identifying an unauthorized battery module replacement, and information relating to an occurred unauthorized battery module replacement is read by the readout device, which is arranged outside of the battery system. | 2014-03-06 |
20140062386 | SENSOR SHARING FUEL GAUGE - A fuel gauge can include a resistor configured to generate predetermined temperature information and a switch configured to couple a temperature sensor to a temperature output of the fuel gauge in a first state and to couple the resistor to the temperature output of the fuel gauge in a second state. | 2014-03-06 |
20140062387 | BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack including a battery including a battery cell, a first switching unit at a main current path between the battery and a terminal, a second switching unit at the main current path between the battery and the terminal, and serially coupled to the first switching unit, a third switching unit at a bypass current path coupled in parallel to at least a part of the main current path, and configured to block or to allow an electric current on the bypass current path, and a controller for dividing a charging section of the battery, and for controlling at least one of the first switching unit, the second switching unit, or the third switching unit according to divided charging sections to charge the battery. | 2014-03-06 |
20140062388 | CELL BALANCING CIRCUIT AND CELL BALANCING METHOD USING THE SAME - A battery cell balancing system is disclosed. In one embodiment, the system includes a plurality of battery cells arranged in series and a power supply configured to receive the cumulative voltage of the battery cells and output a first charging voltage to one of the battery cells that has a voltage less than a reference voltage. According to one embodiment, it is possible to implement a cell balancing operation using the cumulative voltage of the battery cells. | 2014-03-06 |
20140062389 | POWER GENERATOR, SECONDARY CELL, ELECTRONIC APPARATUS, AND TRANSPORTER - A power generator includes a deforming unit that deforms a piezoelectric member, a pair of electrodes provided on the piezoelectric member, an inductor provided between the pair of electrodes and forming a resonator circuit with a capacity component of the piezoelectric member, a first switch connected in series with respect to the inductor, a unit that detects times when a deformation direction of the deforming unit is switched, a full-wave rectifier circuit that rectifies a current output from the pair of electrodes, an electrical storage device connected to the full-wave rectifier circuit and charging a current supplied from the full-wave rectifier circuit, a second switch connected between one of the pair of electrodes and the electrical storage device, and a control circuit that operates the first switch and the second switch. | 2014-03-06 |
20140062390 | USB POWER SHELF - A storage system with plurality of USB powered ports for charging multiple electronic devices. The invention provides a stable platform with various sized shelves and downstream powered USB ports to charge and network multiple electronic devices. The primary power management and voltage distribution system provides connectivity from a single 120-240 volt power cable to multiple USB ports. The USB ports provide standard power and data transmission capability for connected devices creating an integrated network and storage system for multiple electronic devices. | 2014-03-06 |
20140062391 | ELECTRONIC CARD - An electronic card including an antenna, a chip, a charging circuit and a battery is provided. The antenna receives an external electric signal, and the chip is coupled to the antenna, so as to receive the external electric signal and provide a demodulated electric signal. The charging circuit is coupled to the chip, receives the demodulated electric signal and converts the demodulated electric signal to generate a charging power. The battery is coupled to the charging circuit, wherein, the charging circuit provides the charging power to the battery according to a residual electricity of the battery, so as to charge the battery. | 2014-03-06 |
20140062392 | SYSTEMS AND METHODS FOR COOLING INDUCTIVE CHARGING ASSEMBLIES - In some embodiments, a cooling system for an inductive charger includes a thermal conditioning assembly in fluid communication with an inductive charging assembly. The inductive charging assembly can include a dock and an inductive charging module. The dock can be configured to receive a portable electronic device, such as a cell phone, that is configured to accept inductive charging from the inductive charging module. The thermal conditioning assembly can include a fluid transfer device and a thermal conditioning module, such as a thermoelectric device. In various embodiments, heat (e.g., heat produced during inductive charging) can be transferred from the inductive charging assembly to the thermal conditioning module and/or to a fluid flow produced by the fluid transfer device, thereby cooling the inductive charging assembly and/or the portable electronic device. | 2014-03-06 |
20140062393 | NON-CONTACT CHARGING MODULE AND RECEPTION-SIDE AND TRANSMISSION-SIDE NON-CONTACT CHARGING APPARATUSES USING THE SAME - It is an object to provide a non-contact charging module that uses a magnet included in a counterpart-side non-contact charging module or does not use the magnet when aligning with the counterpart-side non-contact charging module is performed. An L value of a coil that is provided in the non-contact charging module is not changed. This non-contact charging module includes a planar coil portion where electrical lines are wound and a magnetic sheet that places a coil surface of the planar coil portion and faces the coil surface of the planar coil portion, and in the magnetic sheet, a hole portion is provided at the position corresponding to a hollow portion of the planar coil portion. | 2014-03-06 |
20140062394 | MULTI-MODE BATTERY CHARGER - In one embodiment a multi-mode battery charger for a vehicle is provided. The charger includes a controller. The controller is electrically coupled to a plurality of charging systems. Each charging system is configured to provide a first power from an external power source and to convert the first power into a second power that is suitable for storage on at least one battery on the vehicle. The controller is configured to enable a first charging system of the plurality of charging systems to provide the first power based on a charging priority order in the event two or more of the plurality of charging systems are each determined to provide the first power to the vehicle at the same time. | 2014-03-06 |
20140062395 | WIRELESS POWER TRANSMITTER FOR EXCLUDING CROSS-CONNECTED WIRELESS POWER RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method and apparatus for excluding a cross-connected wireless power receiver in a wireless power transmitter is provided. The method includes determining transmission power while the wireless power transmitter is connected to the wireless power receiver; transferring the determined transmission power to the wireless power receiver; receiving a report indicating a power-receiving state from the wireless power receiver; determining whether the power-receiving state indicated by the report is within a valid range corresponding to the transmission power; and terminating the connection to the wireless power receiver if the power-receiving state is outside of the valid range. | 2014-03-06 |
20140062396 | METHODS AND SYSTEMS FOR CHARGING AN ENERGY STORAGE DEVICE - A system for use in supplying power to a power storage device. The system includes a charging device that has a plurality of power converters, each of the power converters having an output terminal configured to output current at a predetermined voltage. The system includes a power conduit configured to couple each of the terminals in series to deliver current from the plurality of power converters to the power storage device. The system includes a controller programmed to receive a power storage device voltage signal, determine a charging voltage level based on the power storage device voltage signal, and enable at least one of the plurality of power converters to supply current at the charging voltage level to the power storage device. | 2014-03-06 |
20140062397 | STATION FOR RAPIDLY CHARGING AN ELECTRIC VEHICLE BATTERY - A vehicle charging station is provided. The vehicle charging station includes a charging source providing an electrical charge, a coolant source providing coolant and a connector having both an electrical supply section delivering the electrical charge and a coolant supply section delivering the coolant. The connector is capable of connecting to a vehicle. A connector for a vehicle charging station and an electric vehicle are also provided. | 2014-03-06 |
20140062398 | CHARGE/DISCHARGE SYSTEM - A charge/discharge system is mounted on an electric vehicle using a motor as a driving source, which is driven by electric power charged in a battery, and controls at least one of charge from the outside of the vehicle to the battery and discharge from the battery to the outside of the vehicle. The charge/discharge system comprises a power supply unit for controlling power supply to supply power only to a unit contributing charge/discharge among units connected to a wiring system of driving power for the motor when charge/discharge to/from the battery from/to the outside of the vehicle is performed. | 2014-03-06 |
20140062399 | ELECTRIC VEHICLE CHARGER - An electric vehicle charger includes a case including a lower case having an opened top surface and in which a connector insertion groove is defined in a side surface thereof and an upper case having an opened bottom surface and covering the opened top surface of the lower case, a circuit board seated on the lower case and on which at least one electrical component of a short-circuit detection part detecting short-circuit of an electric vehicle, a detection part detecting overvoltage and overcurrent during charging of the electric vehicle, a communication module communicating with a charging control part of the electric vehicle, and a display part displaying a charged state of the electric vehicle is mounted, a cable inserted into the lower case, the cable being electrically connected to the circuit board, and a cable connector inserted into the connector insertion groove to guide the insertion of the cable. | 2014-03-06 |
20140062400 | ENERGY CONVERSION SYSTEM - This electrical energy conversion system, for powering a load using a voltage source, comprises a first capacitor, a second capacitor, two load connection terminals and an electrical transformer comprising a primary winding and a secondary winding. The first capacitor is electrically connected to the primary winding, and the connection terminals are electrically connected to the secondary winding. This system comprises a third capacitor and switching means suitable for switching, reversibly, between a first configuration, wherein the second capacitor is connected in series between the secondary winding and one of the two connection terminals, and a second configuration wherein the third capacitor is connected in parallel with the secondary winding and between the connection terminals of the load. Only the second capacitor is suitable for receiving the flow of an electric current in the first configuration, whereas only the third capacitor is suitable for receiving the flow of the electric current in the second configuration. The conversion system further comprises means for controlling the switching means according to a control algorithm. | 2014-03-06 |
20140062401 | POWER CONTROL APPARATUS AND METHODS FOR ELECTRIC VEHICLES - Electric vehicle (EV) charging apparatus and methods are described which allow the sharing of charge current between multiple vehicles connected to a single source of charging energy. In addition, this charge sharing can be performed in a grid-friendly manner by lowering current supplied to EVs when necessary in order to satisfy the needs of the grid, or building operator. The apparatus and methods can be integrated into charging stations or can be implemented with a middle-man approach in which a multiple EV charging box, which includes an EV emulator and multiple pilot signal generation circuits, is coupled to a single EV charge station. | 2014-03-06 |
20140062402 | CHARGER FOR MULTIPLE ELECTRIC VEHICLES WITH TOGGLE SWITCH FEATURE - A charging station for an electric vehicle comprises an electric vehicle charging apparatus, a plurality of plugs, wherein each plug connects the charging apparatus with an electric vehicle, a toggle switch in the charging apparatus for activating and deactivating current from the charging apparatus to each of the plurality of plugs and a processor configured for detecting when charging is complete for a first electric vehicle connected to a first plug, deactivating current to the first plug and activating current to a second plug connected to a second electric vehicle. | 2014-03-06 |
20140062403 | STATIONARY CHARGING SYSTEM - A stationary charging system that is capable of battery charging even when a charging unit has a fault is mounted in a vehicle and includes a power unit for generating direct-current charging power, a plurality of charging units (CHG | 2014-03-06 |
20140062404 | MOVABLE POWER SOURCE DEVICE - A movable power source device is to dispose a control substrate, a display module, a biomedical detection module and a power source module in a housing. It does not only utilize a power source transmission port of the power source module connected to mobile digital apparatuses of a mobile phone, a digital camera, a laptop computer and a tablet computer to supply power required for operating the connected mobile digital apparatus or charge the connected mobile digital apparatus but also facilitates a user to understand his/her biomedical information real-time under a condition of activating the biomedical detection module, thereby further achieving two-way interaction. | 2014-03-06 |
20140062405 | CHARGING STATION FOR BATTERY POWERED BIOPSY APPARATUS - A charging station for a battery powered biopsy apparatus includes a charging dock having a housing and a charging unit contained in the housing. The charging unit has a set of electrical contacts. The housing is received in a first cavity of a driver assembly with the electrical contacts being coupled in electrical communication with the driver assembly when the driver assembly is mounted on the charging dock for charging. The charging unit provides a signal to the driver assembly to reset the driver assembly to an initialized state when the driver assembly is mounted to the charging station. | 2014-03-06 |
20140062406 | BATTERY RECHARGING BASE STATION - The present invention is related to a rechargeable base station system having a base station connected to a DIN rail assembly. The base station has a base featuring side walls, and a receiving unit rotatably connected to the side walls. The receiving unit has an opened end configured to receive a rechargeable device, and at least one electrical contact which contacts the rechargeable device so as to charge the rechargeable device. The DIN rail assembly has power connection elements that provide power from a power source to the base station when the base station is attached to the DIN rail assembly. The base station can include a battery which provides power to charge the rechargeable device when power from the power source is interrupted. Multiple base stations can be connected to the DIN rail assembly thereby allowing for multiple rechargeable devices to be charged from a single DIN rail assembly. | 2014-03-06 |
20140062407 | MONITORING CELLS IN ENERGY STORAGE SYSTEM - A system for monitoring an energy storage system composed of multiple cells connected in series has a chain of monitors including at least first and second monitors. The first monitor is configured for monitoring at least a first cell in the energy storage system to produce first monitored data. The second monitor is configured for monitoring at least a second cell in the energy storage system to produce second monitored data. The first monitor is further configured for transferring the first monitored data to the second monitor for delivery to a controller. | 2014-03-06 |
20140062408 | POWER SOURCE DEVICE AND METHOD OF CONTROLLING ASSEMBLED BATTERY - A power source device includes an assembled battery having a plurality of secondary battery cells connected in series, and a plurality of discharge circuits connected in parallel with the secondary battery cells, respectively. A charge control circuit performs constant current charging to the assembled battery, and when voltages of one or a plurality of the secondary battery cells out of the plurality of secondary battery cells have reached a prescribed first voltage, drives the discharge circuits connected to the secondary battery cells whose voltage have reached the first voltage to discharge, and performs constant voltage charging to the relevant assemble battery. | 2014-03-06 |
20140062409 | POWER SUPPLY SYSTEM - In control over a power supply system that includes a plurality of parallel connected batteries, electric power is supplied from the plurality of batteries to an electrical device at a total output upper limit value that is obtained by applying a first computing to individual output upper limit values of the plurality of batteries, and, when there is an abnormality in at least one of the plurality of batteries, the at least one of the plurality of batteries, having an abnormality, is isolated, and a total output upper limit value is set by applying a second computing to the battery having no abnormality, the total output upper limit value being smaller than the total output upper limit value obtained through the first computing. | 2014-03-06 |
20140062410 | ELECTROCHEMICAL ENERGY STORAGE CELL AND ELECTROCHEMICAL ENERGY STORAGE APPARATUS COMPRISING AT LEAST ONE SUCH ELECTROCHEMICAL ENERGY STORAGE CELL - An electrochemical energy storage cell has an electrode assembly, containing at least one first electrode of a first polarity and at least one second electrode of a second polarity, a film-like casing, which at least partially encloses the electrode assembly; and at least one first current-conducting device, which is connected to at least one first electrode of the electrode assembly in an electrically conductive manner and projects out of the casing at least partially, and at least one second current-conducting device, which is connected to at least one second electrode of the electrode assembly in an electronically conductive manner and projects out of the casing at least partially. | 2014-03-06 |
20140062411 | SEPARATION OF ELECTROLYTES - Methods and articles relating to separation of electrolyte compositions within lithium batteries are provided. The lithium batteries described herein may include an anode having lithium as the active anode species and a cathode having sulfur as the active cathode species. Suitable electrolytes for the lithium batteries can comprise a heterogeneous electrolyte including a first electrolyte solvent (e.g., dioxolane (DOL)) that partitions towards the anode and is favorable towards the anode (referred to herein as an “anode-side electrolyte solvent”) and a second electrolyte solvent (e.g., 1,2-dimethoxyethane (DME)) that partitions towards the cathode and is favorable towards the cathode (and referred to herein as an “cathode-side electrolyte solvent”). By separating the electrolyte solvents during operation of the battery such that the anode-side electrolyte solvent is present disproportionately at the anode and the cathode-side electrolyte solvent is present disproportionately at the cathode, the battery can benefit from desirable characteristics of both electrolyte solvents (e.g., relatively low lithium reactivity of the anode-side electrolyte solvent and relatively high polysulfide solubility of the cathode-side electrolyte solvent). | 2014-03-06 |
20140062412 | METHOD OF CHARGING AN ELECTROCHEMICAL CELL - A method of pulse charging a secondary electrochemical storage cell is provided. The secondary cell includes a negative electrode comprising an alkaline metal; a positive electrode comprising at least one transition metal halide; a molten salt electrolyte comprising alkaline metal haloaluminate; and a solid electrolyte partitioning the positive electrode from the negative electrode, such that a first surface of the solid electrolyte is in contact with the positive electrode, and a second surface of the solid electrolyte is in contact with the negative electrode. The method of charging includes polarizing the cell by applying a polarizing voltage greater than about 0.1 V above the cell's rest potential for a first predetermined period of time; depolarizing the cell for a second predetermined period of time; and repeating the polarizing and depolarizing steps until a charging end-point is reached. | 2014-03-06 |
20140062413 | BATTERY MANAGEMENT SYSTEM - A battery management system having a switch controlling a relay is provided with a short circuit protection (SCP) cutting off power input to a coil of the relay in the occurrence of a failure in the switch and a switch controlling the SCP. The battery management system includes a relay switch coupled to a charging/discharging line of battery cells; a charging/discharging relay having a driving coil driving the relay switch; a relay driving unit coupled to one end of the driving coil so as to control the driving coil; a first switch coupled to the charging/discharging relay and the relay driving unit so as to control an on/off of the charging/discharging relay; a control unit that applies a control signal for controlling an on/off of the first switch; an SCP provided between the driving coil and the relay driving unit; and a second switch that controls the SCP. | 2014-03-06 |
20140062414 | POWER-SOURCE APPARATUS FOR VEHICLE AND CONTROL METHOD OF THE SAME - A power-source apparatus for a vehicle comprises a generator driven by an engine and generating power, a power-storage device storing the power generated by the generator thereat and supplying the power stored thereat to an electric load, and a control device configured to detect a deterioration state of the power-storage device and change a voltage of the power-storage device during a soak in accordance with the deterioration state of the power-storage device detected. Thereby, the improvement of the fuel economy can be achieved and also the necessary durability of the power-storage device can be ensured. | 2014-03-06 |
20140062415 | METHOD AND APPARATUS OF CHARGING THE BATTERY WITH GLOBALLY MINIMIZED INTEGRAL DEGRADATION POSSIBLE FOR PREDEFINED CHARGING DURATION - An apparatus and method for charging a battery with improved charging performance and reduced degradation of the battery. A battery charging profile is configured to achieve minimal degradation of a selected battery possible for a given charge time. The minimization is achieved using battery degradation modeling data indicative of a battery degradation level of a selected battery, and voltage and temperature response modeling data indicative of predicted battery voltage and temperature of the selected battery as a function of time and charging current. | 2014-03-06 |
20140062416 | ELECTRICITY STORAGE SYSTEM AND CONTROL DEVICE - There is provided an electricity storage system which comprises an electricity storage device, a charge and discharge switch device which is placed connected to the electricity storage device, a control block which is a charge and discharge control device which controls charging from a power supply and discharging from the electricity storage device to an external load, and an electricity storage device breaker with transmission and reception functions which is provided between the electricity storage device and the charge and discharge switch device, disconnects connection with the electricity storage device according to detection of abnormality of the electricity storage device or according to an instruction of the control block, and notifies the execution of the disconnection to the control block. The control block comprises a hardware disconnection instruction unit in addition to a software disconnection instruction unit. | 2014-03-06 |
20140062417 | INTELLIGENT CHARGE-DISCHARGE CONTROLLER FOR BATTERY AND ELECTRONIC DEVICE HAVING SAME - An intelligent charge-discharge controller for a battery includes a charging voltage test circuit configured for testing an input voltage of the battery when in charge; a charging current control circuit configured for controlling an input current of the battery based on the tested input voltage; a battery voltage test circuit configured for testing a current voltage of the battery; and a discharging current control circuit configured for controlling a discharging current of the battery. The charging voltage test circuit and the battery voltage test circuit each are electrically connected to the charging current control circuit, and the charging voltage test circuit and the discharging current control circuit have a common circuit section. An electronic device having the intelligent charge-discharge controller is also provided. | 2014-03-06 |
20140062418 | SAFETY APPARATUS FOR BATTERY MODULE OF ELECTRIC VEHICLE - Disclosed herein is a safety apparatus for a battery module of an electric vehicle preventing an entire electrode of a battery cell from fracturing due to a swelling expansive force upon overcharging, the apparatus including an end plate and a power supply unit. The end plate is disposed at ends of both sides of a battery module, includes an opening, and delivers an expansive force generated in the battery module to the exterior through the opening upon swelling. The power supply unit is disposed in the end plate and interrupts a current supplied to the battery module using the expansive force delivered through the opening. | 2014-03-06 |
20140062419 | CHARGING CONTROL DEVICE AND CHARGING CONTROL SYSTEM - When a communication control unit ( | 2014-03-06 |
20140062420 | CHARGING APPARATUS AND CHARGING METHOD - In the present invention, capacitor elements are connected in series and charged until the voltage between the terminals of a capacitor element whose capacitance is the lowest among the capacitor elements reaches a withstanding voltage. When the voltage between the terminals of the capacitor element reaches the withstanding voltage, the capacitor elements are connected in parallel, and the electric charge of the capacitor element is transferred to the other capacitor elements. Hereafter, the operation of switching between series connection and parallel connection is repeated such that the capacitor elements are connected in series and charged again when the voltage between the terminals of the capacitor element is reduced to a full charge voltage due to the outflow of the electric charge, and the capacitor elements are connected in parallel when the voltage between the terminals of the capacitor element reaches the withstanding voltage, | 2014-03-06 |
20140062421 | DISCHARGING CIRCUIT, IMAGE FORMING APPARATUS HAVING THE DISCHARGING CIRCUIT, AND POWER SUPPLY UNIT - A discharge circuit, an image forming apparatus having the discharge circuit, and a power-supply unit are disclosed to minimize a standby power generated in a standby mode and improve a discharging speed of a capacitor charged with electricity by the AC power in a power off mode. The discharge circuit connected between AC power input lines receiving an AC power includes a first resistor and a first switch element connected in series between the AC power lines, and a second resistor and a second switch element which are connected in series between the AC power lines, turn off the first switching element upon receiving an electric current during supply of the AC power, and turn on the first switching element in response to cutoff of the AC power to discharge the first capacitor. | 2014-03-06 |
20140062422 | Capacitor Charge Circuit - A circuit can be used for charging a capacitor with an AC voltage. In one embodiment, the circuit includes a capacitor coupled to be charged with the AC voltage. An adjustment is configured to adjust a capacitor charge speed according to a value of the AC voltage. The adjustment circuit includes at least one bipolar transistor coupled to receive a voltage at a base of the bipolar transistor. The voltage is a function of the value of the AC voltage. | 2014-03-06 |
20140062423 | Rotating Kinetic and Potential Energy Frequency Regulation Device For Fast Response Large Scale Electric Power Applications - A rotating device for multi-megawatt, fast response frequency regulation for the electric grid. The device generally has a main shaft coupled to a motor-generator, a main spring concentric to the main shaft, and several radially-symmetric arms, each connected to the main spring via a four-bar mechanism. As the rotational speed of the device increases, centrifugal force acting on the arms causes them to rise, the four-bar mechanism compresses the main spring, and energy is stored in the device as a combination of kinetic rotational energy, elastic potential energy, and gravitational potential energy. The device can be configured with additional springs, which can be compression springs, tension springs, or a combination thereof, in order to increase the amount of energy produced. Symmetrically-spaced gliding masses can be arranged on the arms as well. | 2014-03-06 |
20140062424 | SYSTEM AND METHOD FOR CONTROLLING A DUAL-FED INDUCTION GENERATOR IN RESPONSE TO HIGH-VOLTAGE GRID EVENTS - In one aspect, a method for controlling a dual-fed induction generator (DFIG) during a high-voltage grid event is provided. The method includes setting, by a controller, an output of a closed-loop portion of a rotor current regulator to a fixed value such that a predictive feed-forward path sets an internal voltage for the DFIG; and detecting, by the controller, a condition of high dc voltage on a dc link or a condition predictive of high dc voltage on the dc link, and in response reduce a rotor torque producing current command to approximately zero, wherein the dc link connects a line-side converter connected to a system bus and a rotor-side converter connected to a rotor of the DFIG. | 2014-03-06 |
20140062425 | SYSTEM AND METHOD FOR INTERFACING VARIABLE SPEED GENERATORS TO A POWER GRID - The present subject matter is directed to systems and methods for interfacing variable speed generators to a power distribution grid. A plurality of doubly-fed induction generators (DFIG) are provided and coupled to a common shaft of a prime mover. Each of the plurality of DFIGs provides an electrical power output having an output frequency based on a rotational speed of the common shaft. A converter coupled to each DFIG provides variable excitation signals to its respective DFIG sufficient to adjust its output frequency to conform to a power grid frequency requirement. | 2014-03-06 |
20140062426 | Power Distribution System Loss Reduction with Distributed Energy Resource Control - A power distribution system has a plurality of reactive power resources including capacitor banks and distributed energy resources connected to branches of the power distribution system. Power loss is reduced in the distribution system by determining discrete switch states for the capacitor banks and continuous set points for the distributed energy resources, so that the reactive power provided by the reactive power resources reduces power loss while optionally correcting voltage violations in the power distribution system when the capacitor banks are set in accordance with the respective discrete switch states and the distributed energy resources are operated at the respective continuous set points. The range of values for the continuous set points is constrained based on maximum and minimum reactive power limits for each distributed energy resource under consideration. | 2014-03-06 |
20140062427 | ULTRA LOW RIPPLE BOOST CONVERTER - This document discusses, among other things, systems and methods including a boost converter configured to receive an input voltage (e.g., a battery voltage) and to provide a boosted output voltage higher than the input voltage, and a shunt regulator coupled to the output of the boost converter through a resistive element and configured to regulate an output ripple of the boosted output voltage. In an example, using the systems and methods described herein, a battery voltage of less than 5 volts can be boosted and regulated to an output voltage between 16 and 20 volts with an output ripple of less than 500 microvolts. | 2014-03-06 |
20140062428 | FEEDBACK DETECTION CIRCUIT - Disclosed is a feedback detection circuit, adapted to provide a feedback detection signal wherein a converting circuit provides a driving power source to drive a load according to the feedback detection signal. The feedback detection circuit comprises an operational conversion circuit and a signal limitation circuit. The operational conversion circuit generates the feedback detection signal in response to a level of a detected node of the load. The operational conversion circuit has an operational amplifier, which modulates the level of the feedback detection signal in response to the level of the detected node. The signal limitation circuit is coupled to the operational conversion circuit for clamping a level rang of the feedback detection signal. | 2014-03-06 |
20140062429 | RECTIFIER CIRCUIT - A rectifier circuit capable of attenuating an offset voltage wherein the rectifier circuit includes an amplification unit configured to generate an output voltage through an output terminal in response to a reference voltage and a voltage at a feedback node, a plurality of first unit resistors connected between the output terminal and the feedback node, and a plurality of second unit resistors connected between the feedback node and a ground terminal, and wherein each of the first unit resistors and each of the second unit resistors are designed to have different resistance values. | 2014-03-06 |
20140062430 | ADAPTIVE REACTIVATION OF PHASES DEACTIVATED BY PHASE-SHEDDING IN MULTI-PHASE VOLTAGE REGULATORS - In a multi-phase power supply voltage regulator functioning at a nominal switching frequency, one or more phases are kept off for optimizing energy efficiency at relatively low load conditions. Reactivation of stand-by phases in response to a load increase transient is made more efficiently by exploiting information already present in the output voltage control loop. The technique comprises a) deriving from the control loop information on the equivalent nominal switching frequency given by the product of the nominal switching frequency by the number of active phases; b) updating at every beat of a clock signal the instantaneous value of the equivalent switching frequency; c) determining the band of equivalent switching frequency values to which the instantaneous value belongs; d) logically combining the equivalent switching frequency information with a determined band of output current level, for switching on one or more stand-by phases in response to a load increase transient. | 2014-03-06 |
20140062431 | DC-DC CONVERTER AND SEMICONDUCTOR DEVICE - A DC-DC converter includes an input terminal connected to one end of a boot capacitor and a boot terminal connected to the other end of the boot capacitor. A first transistor has a drain connected to the input terminal and a source connected to a switch terminal. A second transistor has a drain connected to the switch terminal and a source connected to ground. Agate of the first transistor is connected to a first driver circuit, which is connected to the boot capacitor. A gate of the second transistor is connected to a second driver circuit. The DC-DC converter includes an oscillator circuit outputting a pulse signal and a voltage detecting circuit which detects the voltage of the boot capacitor. The voltage detecting circuit outputs a signal based on the detected voltage. A timing circuit controls the first and second drivers in accordance with the detected voltage signal. | 2014-03-06 |