Class / Patent application number | Description | Number of patent applications / Date published |
361115000 | With specific circuit breaker or control structure | 77 |
20080212251 | BATTERY PROTECTING CIRCUIT AND BATTERY WITH SUCH PROTECTING CIRCUIT - A protecting circuit for a battery used to power an electronic system includes a control circuit and a sensing circuit. The sensing circuit includes a tri-axial accelerometer having X, Y and Z axes. The tri-axial accelerometer is capable of detecting position changes of the battery and outputs through the X, Y and Z axes voltages that correspond to the position changes. The sensing circuit ultimately outputs a controlling voltage to the control circuit according to the voltages outputted by the X, Y and Z axes. When the battery is being installed onto or uninstalled from the electronic system, the outputted controlling voltage makes the control circuit OFF and the battery cannot power the electronic system. When the battery have been installed onto the electronic system, the outputted controlling voltage turns the control circuit ON and the battery can supply power to the electronic system. | 09-04-2008 |
20080218926 | Control module for an electric circuit breaker, method for operation thereof, and electric protection system - A control module with interrupt function for an electric circuit breaker has a voltage input for a control voltage, an output carrying the control voltage to which output an interrupter for the circuit breaker can be connected, an input for the control voltage fed back from the interrupter, a terminal for the circuit breaker, said terminal being connected to the input, and a measuring unit for measuring current and/or voltage at the input and at the output. An electric protection system has an electric circuit breaker, an interrupter and a control module. In a method for operating a control module, the circuit breaker is supplied during its operation with voltage and current via the terminal, the measuring unit determines currents and/or voltages at the input and the output, the control module transmits currents and/or voltages to an evaluating unit for determining a characteristic value which correlates to the quality of the interrupter, the evaluating unit determines, from currents and/or voltages, a characteristic value which correlates to the quality of the interrupter. | 09-11-2008 |
20090103224 | FALLEN CONDUCTOR WARNING SYSTEM - A system for notifying and/or warning of fallen or downed insulated conductor generally includes a distribution system for distributing a utility, such as power, and a sensor system for sensing whether the distribution system is properly operating. The warning system can include a support structure; an arm carried by the support structure and extending outwardly therefrom; a distribution system providing a utility via at least one wire, the wire held aloft from a below surface via the arm; a communication cable transmitting a signal; a disruption assembly carrying the communication cable and in communication with the support structure. The disruption assembly is loaded with the potential of disrupting the signal transmitted by the communication cable; and a sensor system is adapted to monitor the distribution system based on the signal transmitted by the communication cable. | 04-23-2009 |
20090154049 | Network equipment system providing surge protection and DC blocking bypass functionalities - A network equipment system comprises a communication apparatus, an equipment protector block connected between the communication apparatus and a subscriber premise DSL network termination device (NTD), and a protection module mounted on the equipment protector block. The protection module includes circuitry configured for providing surge protection functionality, for providing AC coupling-DC blocking functionality, for providing DC blocking bypass functionality, and for enabling said DC blocking bypass functionality to be selectively activated and deactivated. The protection module facilitates such functionality in association with the communication apparatus and the subscriber premise DSL NTD. | 06-18-2009 |
20090251839 | SHOCK PROOF DEVICES AND METHODS - Devices and methods for preventing shock from a high voltage power source. In one embodiment, a device for preventing an electric shock, comprises output terminals for connecting to an external load, a low voltage circuit for carrying a first current (I | 10-08-2009 |
20100226057 | ELECTRONIC VACUUM SWITCH WITH MAIN PARAMETERS QUICKLY SETTABLE ALSO DURING OPERATION OF THE PLANT UNDER CONTROL - An electronic vacuum switch is described comprising a connector ( | 09-09-2010 |
20100254060 | CIRCUIT BREAKER SWITCHING CONTROL SYSTEM - The system of the invention includes a circuit breaker switching control section ( | 10-07-2010 |
20100296220 | ABNORMAL CURRENT DETECTING CIRCUIT FOR CIRCUIT BREAKER - Disclosed herein is an abnormal current detection circuit for circuit breaker, comprising a full-wave amplifier, a positive wave-period comparator for comparing a positive wave-period amplification voltage signal with a positive wave-period reference voltage signal to output a pulse signal, a negative wave-period comparator for comparing a negative wave-period amplification voltage signal with a negative wave-period reference voltage signal to output a pulse signal, a combining circuit for combining pulse signals outputted from the positive wave-period comparator and the negative wave-period comparator to output a full-wave combining signal, a reference voltage generator for generating a reference voltage signal, and a comparative driving circuit section for comparing the combining signal with the reference voltage signal to output a signal for controlling a circuit breaker to be driven to a circuit breaking position when the combining signal is greater or equal to the reference voltage signal. | 11-25-2010 |
20110013330 | OVERVOLTAGE PROTECTION DEVICE COMPRISING A DISCONNECTION ACCESSORY - A device for protecting against overvoltages that includes at least one overvoltage protection component ( | 01-20-2011 |
20110026183 | CIRCUIT PROTECTION DEVICE AND SYSTEM - A circuit protection device for protection of circuitry is provided. The circuit protection device comprises a housing defining a chamber and a plurality of conductors. The conductors are configured to connect to the circuitry and extending into the chamber, and comprise at least a first conductor and a second conductor spatially separated from the first conductor. The circuit protection device further comprises an ignition component disposed in the chamber and configured to electrically connect the first and second conductors. A circuit protection system is also presented. | 02-03-2011 |
20110038089 | ELECTRICAL CIRCUIT HAVING A MEANS FOR SIGNALING - Indicating apparatus for indicating the operating state of a component of an electrical load protection system, including a housing containing a longitudinal chamber, an indicating member mounted for longitudinal displacement in the chamber, a resilient device normally biasing the indicating member toward a first end of the housing, a catch arrangement for retaining the indicating member in a retracted position adjacent the housing second end; and a release device responsive to a trouble voltage pulse for operating the catch arrangement to a released condition, thereby to release the indicating member for displacement toward an indicating position adjacent the housing first end. At least the first end of the housing is transparent, thereby to provide a visual indication when the indicating member is in the indicating position. Switch contacts are operable between open and closed conditions when the indicating member is displaced between the indicating and retracted positions. | 02-17-2011 |
20110058300 | CIRCUIT BREAKER - A switch is disclosed for power distribution, in particular a circuit breaker and compact switch, which automatically interrupts the electric currents flowing through the switch in a polyphase electrical power supply system when a tripping situation occurs. In at least one embodiment, the switch includes switching contacts which are provided for each phase and can be opened via a switching shaft; an electronic release which automatically initiates the opening of the switching contacts via the switching shaft; electrical power converters, which in each case take the electrical power which is required for the electrical power supply for the release from the currents for the individual phases; instrument transformers which convert the currents in each of the individual phases to a measurement signal; an electronic circuit, in particular in the form of a microprocessor, for assessment of the current values which correspond to the measurement signals, wherein the occurrence of the tripping situation is in each case identified on the basis of the assessment. In order to improve the functional reliability of the switch, in at least one embodiment it is proposed that the currents emitted from the power converters are additionally recorded and that the electronic circuit carries out a plausibility comparison on the basis of the recorded current of the power converters and of the instrument transformers, and generates a warning signal in the event of non-plausibility. | 03-10-2011 |
20110228437 | PHASE-CONTROL SWITCHGEAR AND METHOD OF CONTROLLING SWITCHGEAR - A phase-control switchgear includes a circuit breaker, a phase difference detection unit, a storage unit, and a circuit breaker control unit. The phase difference detection unit detects a phase difference between voltages of a specific phase (U-phase) of buses to which three-phase generators are respectively connected, at a plurality of time points. The storage unit stores the detected phase differences. When the three-phase generators are out of synchronization, the circuit breaker control unit estimates a breaking time point at which the phase difference between the voltages of the U-phase of the buses will be in the range of not less than −80° and not more than 80°, based on the phase differences at the plurality of time points stored in the storage unit. The circuit breaker control unit opens the circuit breaker to break a current at the estimated breaking time point. This makes it possible to suppress a transient voltage generated between electrodes of the circuit breaker after the current is broken. | 09-22-2011 |
20110242720 | MAGNETIC CORE COUPLING IN A CURRENT TRANSFORMER WITH INTEGRATED MAGNETIC ACTUATOR - A system comprising a magnetic actuator, a current transformer and operational electronics in a dual-coil circuit breaker. The system includes an inline, but non concentric, implementation of the primary and secondary coils to maintain a narrow width suitable for retrofitting in standard industrial rack mounted enclosures. The system further comprises an I-shaped lamination stack that is designed to abut on the ends of an upper and lower plate of the current transformer. The I-shaped lamination stack significantly increases the overlap between the lamination and the upper and lower plates, which results in lower magnetic reluctance and improves magnetic coupling. | 10-06-2011 |
20120069484 | RESIDUAL-CURRENT CIRCUIT BREAKER - A residual-current circuit breaker includes at least one summation current transformer through which are guided at least one first conductor and one second conductor of an electric network to be protected. At least one secondary winding is arranged on the summation current transformer and connected in terms of circuitry to a trip element. A test circuit connects the first conductor with the second conductor and includes at least one first test resistor, a second test resistor arranged serially in relation to the first test resistor in terms of circuitry, and a test button. The second test resistor is bridged by a shunt line which is guided through the summation current transformer. Arranged in the shunt line in terms of circuitry is at least one first voltage-dependent resistor. | 03-22-2012 |
20120099237 | CIRCUIT BREAKER WITH FAULT INDICATION AND SECONDARY POWER SUPPLY - An electronic circuit breaker includes controllable contacts adapted to connect a power source to at least one load, and a microcontroller for monitoring the flow of power to the load, detecting different types of fault conditions and automatically opening the contacts in response to a fault. A primary power supply of the breaker receives power from the line source when the contacts are closed, and supplies power to the control circuitry. Fault indicators in the microcontroller indicate the type of fault that caused the contacts to open. A secondary power supply provides power to the control circuitry when the contacts are open and a switch is closed. | 04-26-2012 |
20120113557 | ELECTRONIC CIRCUIT BREAKER - A compact electronic circuit breaker is simple to assemble. The circuit breaker has an insulating housing, a switch contact for reversibly contacting a load power circuit to be monitored, a triggering magnet acting by way of a triggering mechanism on the switch contact, and triggering electronics for actuating the triggering magnet. The switch contact, the triggering magnet, and the triggering electronics are fixedly mounted on a printed circuit board and they form a preassembled component together with the printed circuit board. The preassembled component can thereby be inserted in the housing as a unit. | 05-10-2012 |
20120162844 | TRIP DEVICE OF CIRCUIT BREAKER - Disclosed is a trip device of a circuit breaker, the device including: a rectifying unit converting an AC (Alternating Current) voltage applied to the circuit breaker to a DC (Direct Current) voltage; a smoothing unit connected to the rectifying unit in parallel to mitigate ripples of the converted DC voltage; and a trip coil connected to the smoothing unit in parallel to determine whether to trip the circuit breaker. | 06-28-2012 |
20120182664 | CIRCUIT BREAKER - A circuit breaker, including: a circuit breaker body and a circuit control board; the circuit breaker body comprising a box body, and a circuit breaker actuating mechanism used for switching the on/off state of the circuit breaker, a wire inlet end, and a wire outlet end arranged in the box body. An automatic closing control unit is arranged on the circuit control board, and the circuit breaker actuating mechanism operates through an electrical operating mechanism under the condition of controlling a motor; the automatic closing control unit includes: a power collection subunit obtaining a power signal from a phase line and conducting rectifying and filtering; and a motor motion control subunit obtaining the power signal, allowing the motor to move after receiving the closing command, and ultimately realizing the closing action of the circuit breaker actuating mechanism. | 07-19-2012 |
20120200977 | Electronic Trip Unit For An Electrical Switch - An electronic trip unit for an electrical switch is disclosed which has at least one electrical connection, and which can be mounted in an electrical switch and in the mounted state interoperates with the latter for the purpose of tripping the switch and where, with the electrical switch in its built-in position, the mounted trip unit has at least one front surface facing towards the front, at least one rear surface facing towards the rear and side surfaces, and whereby with the trip unit in its mounted state at least one of the side surfaces is freely accessible, and where the electrical connection is located on one of the freely accessible side surfaces of the trip unit. | 08-09-2012 |
20120218676 | Hybrid Circuit Breaker - A hybrid circuit breaker, including a first circuit that includes: a main current path which includes a mechanical switch element, a commutation path arranged in parallel with the main current path and including a controllable semi-conductor switch element. The breaker also includes a first capacitor provided in the commutation path in series with the controllable semi-conductor switch element, and a second circuit, arranged in series with the first circuit and including a second capacitor and an inductance-generating element arranged in series with each other. | 08-30-2012 |
20120320486 | ARC FLASH SYSTEM FOR A POWER CIRCUIT - An arc flash system includes a circuit breaker having separable contacts, an operating mechanism, a trip unit including a sensor sensing current flowing in a power circuit, a trip circuit cooperating with the operating mechanism to trip open the contacts responsive to the sensed current or a first signal, and a communication interface outputting the sensed current, and an interface circuit including a processor having a first output of the first signal, an input of a second signal, and a second output of a third signal, and a communication interface cooperating with the processor to determine and communicate cause of trip information to the trip unit communication interface, input the sensed current, and communicate the sensed current to the processor. A light sensor senses light from an arc flash associated with the power circuit and outputs the second signal. A shorting apparatus shorts the circuit responsive to the third signal. | 12-20-2012 |
20120320487 | Medium Voltage Circuit Breaker - A Medium Voltage circuit breaker which comprises an insulating base frame supporting: a pole assembly having, for each phase, an interruption unit housing a fixed contact and a movable contact reciprocally couplable/uncouplable between an open and a closed position; an actuator to actuate the opening and closing operation of said circuit breaker; and, a control and diagnostic unit comprising a control box having a casing housing a plurality of accessory devices of said circuit breaker. | 12-20-2012 |
20130021710 | SWITCH COMPRISING A TESTABLE CURRENT TRANSFORMER, AND METHOD FOR TESTING A CURRENT TRANSFORMER OF A SWITCH - A switch and a method for testing the power transformers of a power supply of the switch are provided, wherein each power transformer generates an analog transformer voltage corresponding to the alternating current, wherein an electronic trip unit, to which each transformer voltage is applied, compares a current derived from each transformer voltage with a current condition, and wherein a rectifier circuit connected to the power transformer charges a capacitor which feeds the power supply of the trip unit. A switching device short-circuits each rectifier circuit when a predefined capacitor voltage is reached. To provide the protective function of the switch, a monostable multivibrator is connected to one pole of each power transformer, wherein each monostable multivibrator is set by the respective transformer voltage and reset after a predefined time, and wherein the level at the output of each monostable multivibrator is used to test the respective power transformer. | 01-24-2013 |
20130021711 | Residual Current Protection Device - A residual current protection device comprises: an arc guiding plate, which is configured to guiding an arc generated during contacts breaking to an arc extinguishing unit. Wherein, the arc extinguishing unit includes an arc extinguishing channel, configured to extinguish the arc; and an enhanced arc extinguisher, disposed between the extinguishing channel and the arc guiding plate, for impelling the arc into the extinguishing channel. | 01-24-2013 |
20130100569 | ELECTRONIC OVERCURRENT RELEASE FOR CIRCUIT BREAKERS - An electronic overcurrent release for circuit breakers includes a first setting device connected to at least one control input of a microcontroller and configured to set a selected suitable nominal current value in a range between a minimum nominal current value and a maximum nominal current value. A second setting device is connected to at least one control input of the microcontroller and configured to set a selected suitable lag level, the second setting device having a test position. In the test position, the microcontroller has a set fixed test current value, which is less than the minimum nominal current value, and a set fixed test delay time, the microcontroller providing a release signal at a release signal output upon at least one of the phase currents exceeding a value of the set fixed test current value and a time of the set fixed test delay time. | 04-25-2013 |
20130148249 | TRIP UNIT COMMUNICATION ADAPTER MODULE EMPLOYING COMMUNICATION PROTOCOL TO COMMUNICATE WITH DIFFERENT TRIP UNIT STYLES, AND ELECTRICAL SWITCHING APPARATUS AND COMMUNICATION METHOD EMPLOYING THE SAME - A trip unit is for a circuit breaker and includes a plurality of capabilities defining one trip unit style selected from a plurality of different trip unit styles. The trip unit includes a processor including a communication interface having a communication protocol; and a communication adapter module including a first communication interface having the communication protocol, and a second communication interface. The communication adapter module is structured to learn the plurality of capabilities of the trip unit from the processor employing the communication protocol, and to communicate with any of the plurality of different trip unit styles including the one trip unit style. | 06-13-2013 |
20130188290 | Miswire protection and annunciation of system conditions for arc fault circuit interrupters and other wiring devices - Electrical distribution systems, equipment and wiring devices are required to have their wiring connections properly identified to ensure proper operation of connected loads as well as the safety of users, however, errors in installation do occur. Electrical wiring errors are commonly called miswire conditions. The current invention is an integrated system and method of miswire protection and annunciation of system conditions for Arc Fault Circuit Interrupters (AFCIs) and other wiring devices, electrical systems and equipment. Electrical code and regulatory standards require certain wiring devices to include miswire protection with their standard features. These wiring devices, among others include Arc Fault Circuit Interrupters (AFCIs) and Ground Fault Circuit Interrupters (GFCIs) which are required to incorporate protection from miswire conditions with other electrical faults they are designed to protect circuits from, such as and including arc, ground, overload, short circuit, and surge. | 07-25-2013 |
20130208386 | Transformer Inrush Current Restraining Control Equipment - There is provided with a transformer inrush current restraining control equipment that provide useful practice to effectively restrain transformer inrush current which would be inevitably caused whenever a transformer under out of service is going to be put into operation by the related breaker closing operation. The transformer inrush current restraining control equipment | 08-15-2013 |
20130215548 | MOISTURE MONITORING SYSTEM - A monitoring system for an enclosure having an arc quenching gas includes at least one fluid characteristic sensor in fluid communication with an interior the enclosure, and an electronic controller operatively coupled to the at least one fluid characteristic sensor. The electronic controller forecasts a maintenance event based on values received from the at least one fluid characteristic sensor. | 08-22-2013 |
20130222962 | CIRCUIT BOARD METER FOR CIRCUIT BREAKERS - A current measuring device for circuit breakers with an improved electronic circuit arrangement by way of arrangement and method for displaying electrical line current by a circuit breaker wherein measurements are made by at least one current transformer. Indications of the magnitude of electrical current are displayed by at least one LED and by the intensity of illumination by each LED. The current measuring device is placed onto a circuit breaker wherein at least one LED of the improved circuit is made accessible by sight at the front face of the current measuring device attached to the circuit breaker. A current transformer is located inside the current measuring device attached to the circuit breaker for measuring the current flowing through the conductor applied to the circuit breaker. The current transformer supplies the improved electronic circuit with a reduced electrical current in proportion to the electrical current flowing through the conductor displaying the magnitude of the current by strength of illumination by at least one LED. | 08-29-2013 |
20130222963 | BREAKER-PHASE-CONTROL SWITCHING SYSTEM AND CIRCUIT-BREAKER CONTROL UNIT - According to one embodiment, there is provided a breaker-phase-control switching system including a merging unit, a superordinate unit, and a circuit-breaker control unit. The circuit-breaker control unit includes a waveform-zero-point-calculation processing unit configured to calculate a current phase, based on absolute time kept by an internal clock and waveform data, and a predicted-breaker-operating-time-calculation processing unit configured to predict a predicted operating time. Further, a command-output-timing-determination processing unit is included which determines a timing for electrically conducting a coil from the absolute time, a preset target phase, a current phase, and a predicted operating time. | 08-29-2013 |
20130242450 | ELECTRICAL SWITCHING APPARATUS WITH EMBEDDED ARC FAULT PROTECTION AND SYSTEM EMPLOYING SAME - An electrical switching apparatus, such as a subminiature circuit breaker, includes a housing assembly, separable contacts, an operating mechanism having an actuator device and a latching assembly, a first trip device for tripping open the separable contacts in response to an overcurrent condition, and a second trip device for tripping open the separable contacts in response to an arc fault, a ground fault or a remotely transmitted signal. The subminiature circuit breaker includes a reset solenoid and a trip solenoid. The resent solenoid is coupled to the actuator device, and includes a coil operable to electrically reset the separable contacts. The trip solenoid is coupled to the latching assembly, and includes a coil operable to move the catch lever, thereby electrically tripping open the separable contacts. | 09-19-2013 |
20130293998 | HYBRID CONTROL CIRCUIT BREAKER - Apparatus and systems and methods are described herein that provide a controlled circuit breaker that selectively interrupts a flow current associated with a first electrical phase and an uncontrolled circuit breaker that selectively interrupts current associated with a second electrical phase. The controlled circuit breaker and uncontrolled circuit breaker are coupled to one another and configured to be installed in adjacent slots in a circuit breaker panel. | 11-07-2013 |
20130301180 | VACUUM SWITCH ASSEMBLIES - The present invention relates to a vacuum switch assembly for interrupting and isolating fault current. The vacuum switch assembly includes first and second dc lines that, in use, are electrically connected to the dc output terminals of a primary dc power source and a dc network. Each dc line includes at least one vacuum switch having contacts that are opened and closed under the control of a vacuum switch controller. A passive dc power supply unit is electrically connected to the first and second dc lines and includes a secondary dc power source that provides a substantially ripple-free sensing voltage. The vacuum switch controller is adapted to open the vacuum switch contacts when a fault condition (e.g. a fault current or other fault) or an operator request has been identified and when the current flowing between the vacuum switch contacts is below a chopping current associated with the vacuum switches. | 11-14-2013 |
20130314837 | APPARATUS FOR A CIRCUIT INTERRUPTER - An apparatus includes an enclosure; a connector structured to mechanically and electrically engage a power circuit; a transmitter structured to transmit a signal having a frequency substantially greater than a power line frequency to the connector; and a user interface structured to cause the transmitter to transmit the signal to the connector. | 11-28-2013 |
20140022686 | RESIDUAL-CURRENT CIRCUIT BREAKER - A residual current circuit breaker having a core-balance current transformer for detecting a residual current, wherein a secondary winding is arranged on a core of the core-balance element transformer, wherein the residual current circuit breaker has an AC measurement arrangement and a DC measurement arrangement, wherein the AC and DC measurement arrangements are designed to operate simultaneously and in parallel. | 01-23-2014 |
20140029152 | SOLID-STATE CIRCUIT BREAKERS - A fast acting unidirectional or bidirectional electronic circuit breaker for isolating a load from a power-supply unit is described. The described control method for an electronic circuit breaker is capable of instantaneous trip during a short circuit event by improved means of current sensing. The improved control method eliminates the need for additional series components in the conduction path which can add to the circuit breaker's insertion losses. Also, any delay or bandwidth limitations commonly associated with magnetic or hall-effect current sensing methods are eliminated. Circuit breakers with automatic or manual reset options are also described. | 01-30-2014 |
20140029153 | SOLID STATE SWITCHING DEVICE - Switching device comprising:
| 01-30-2014 |
20140055902 | SWITCHING DEVICE - A switching device, in particular an electrical power circuit breaker, is disclosed for protecting an electrical circuit. The switching device includes two pole terminals, a switching mechanism for automatically interrupting the electrical connection of the two pole terminals in the event of an overload, electrical components for controlling the switching device and a pole cassette in which the switching mechanism is disposed in a switching chamber. The pole cassette includes at least one gas duct which is connected to the switching chamber in a gas-communicating manner and is designed to discharge gas from the pole cassette past the electrical components to the environment. | 02-27-2014 |
20140055903 | FAST BREAKER FAILURE DETECTION FOR HVDC CIRCUIT BREAKERS - A breaker failure detection device for a direct current (DC) circuit breaker ( | 02-27-2014 |
20140055904 | FAULT CIRCUIT INTERRUPTER DEVICE - In one embodiment, there is a fault interrupter device comprising at least one sensor comprising at least one first transformer having at least one outer region forming an outer periphery and at least one inner hollow region. There is also at least one second transformer that is disposed in the inner hollow region of the at least one first transformer. The transformers can be substantially circular in configuration, and more particularly, ring shaped. In another embodiment there is a rotatable latch which is used to selectively connect and disconnect a set of separable contacts to selectively disconnect power from the line side to the load side. The rotatable latch is in one embodiment coupled to a reset button. In at least one embodiment there is a slider which is configured to selectively prevent the manual tripping of the device. | 02-27-2014 |
20140063674 | Fail-Open Mechanism For Motorized Switch - A fail-safe motorized switching system includes: (a) a motorized loadbreak switch system, the motorized loadbreak switch system adapted for opening and closing contacts between a high voltage power source and a load; (b) an energy storage device connected to the motorized loadbreak switch system; and (c) a controller connected to the energy storage device, the controller programmed with control logic to ensure that the motorized loadbreak switch system opens the contacts between the high voltage power source and the load once the power source is removed. | 03-06-2014 |
20140071575 | CIRCUIT INTERRUPTER EMPLOYING NON-VOLATILE MEMORY FOR IMPROVED DIAGNOSTICS - A miniature circuit breaker includes separable contacts, an operating mechanism structured to open and close the separable contacts, a trip mechanism cooperating with the operating mechanism to trip open the separable contacts, a processor having a routine, a plurality of sensors sensing power circuit information operatively associated with the separable contacts, and a non-volatile memory accessible by the processor. The routine of the processor is structured to input the sensed power circuit information, determine and store trip information for each of a plurality of trip cycles in the non-volatile memory, store the sensed power circuit information in the non-volatile memory for each of a plurality of line half-cycles, and determine and store circuit breaker information in the non-volatile memory for the operating life span of the miniature circuit breaker. | 03-13-2014 |
20140078633 | CIRCUIT BREAKER INCLUDING AN ELECTRONIC TRIP CIRCUIT, A NUMBER OF TEMPERATURE SENSORS AND AN OVER-TEMPERATURE TRIP ROUTINE - A circuit breaker includes first and second terminals, separable contacts, conductors electrically connecting the contacts between the terminals, and an operating mechanism to open and close the contacts. A current sensor senses current flowing through the contacts and outputs a current value. A number of temperature sensors output a number of temperature values corresponding to a number of the conductors. An electronic trip circuit cooperates with the operating mechanism to trip open the contacts, and includes a processor having a first input inputting the current value, a first routine inputting the current value from the first input and causing the operating mechanism to trip open the contacts responsive to over-current, a number of second inputs inputting the number of temperature values, and a second routine comparing the number of temperature values to a number of limits and causing the operating mechanism to trip open the contacts responsive to over-temperature. | 03-20-2014 |
20140111900 | Protective Device Having A Thin Construction - The present invention is directed to an electrical wiring device that includes a circuit interrupter assembly coupled to a solenoid actuator and configured to move along an assembly axis in a direction normal to a major surface of the electrical isolation member to provide electrical continuity between the plurality of line terminals, the plurality of load terminals and the plurality of receptacle contact structures in a reset state and to interrupt the electrical continuity to effect a tripped state. The circuit interrupter assembly including at least one portion configured to pivot relative to the assembly axis to effect the reset state or the tripped state. | 04-24-2014 |
20140139964 | METHOD FOR DRIVING AN ACTUATOR OF A CIRCUIT BREAKER, AND ACTUATOR FOR A CIRCUIT BREAKER - A method and system for driving an actuator of a circuit breaker are disclosed. The method includes supplying a coil of the actuator with a first voltage, wherein the coil can generate a magnetic field, which can cause an armature to move relative to a stator of the actuator from a closed position to an opened position. A second voltage of reverse polarity can be supplied to the coil with respect to the first voltage while the armature is moving relative to the stator, such that the coil can generate a reverse magnetic field, which decelerates the relative movement of the stator and the armature. | 05-22-2014 |
20140146433 | Three-Phase Circuit-Breaker - A three-phase circuit-breaker includes: three circuit-breaking portion tanks that each have a circuit-breaking portion therein and are filled with insulating gas; an operation unit that opens and closes the circuit-breaking portion; and a driving mechanism that transmits driving force of the operation unit to the circuit-breaking portion. The operation unit is composed of a drive motor and a control power unit that outputs an opening/closing command to the drive motor. The drive motor is provided in the vicinity of the driving mechanism. The control power unit is disposed at a place different from the drive motor. The drive motor and the control power unit are electrically connected. | 05-29-2014 |
20140160612 | INTEGRAL CURRENT TRANSFORMING ELECTRIC CIRCUIT INTERRUPTER - An electric power switch suitable as a capacitor, line and load switch for transmission and distribution voltages includes an external actuator controlled by current transformers (CTs) mounted on live tanks comprising insulators forming dielectric containers that house the contactors of the switch. The CTs are located on the outside of the insulators in the regions of the insulators overlying the internal contactors between the upper and lower high voltage line taps. The actuator and controller may also be located outside the dielectric container, as desired. This configuration minimizes the size of the dielectric container and removes the severe size constraint inherent in design conventional “live tank” switch designs, while also avoiding the need for separate line-mounted CTs. This design also avoids the need for a separate grounded “dead tank” to house the CTs, which are more conveniently located in the outside of the insulators. | 06-12-2014 |
20140185176 | Power Line Grid - The present invention is directed to a power line system having a number of controlled release mechanisms. A number of utility poles with cross bars each have a controlled release mechanism attached. A number of sensors are attached to the cross bars. A communication system is electrically connected to the sensors. A sector switch is electrically connected to the communication system. When the controlled release mechanism senses too much force on one of the utility poles it lowers the cross bar in a controlled manner to the ground. A sensor detects this and the communication system sends a message to the sector switch to open. When the storm or other threat is over, the cross bars can be raised by turning the winch in the controlled release mechanism. | 07-03-2014 |
20140185177 | DAMPNESS PROTECTIVE APPARATUS AND ELECTRONIC DEVICE USING SAME - A dampness protective apparatus for an electronic device includes a humidity sensor, a processor and a controller. The humidity sensor detects an internal humidity of the electronic device. The processor is electrically connected to the humidity sensor, and determines whether the internal humidity of the electronic device is greater than or equal to a reference humidity. The controller is electrically connected to the processor and controls a circuit board in the electronic device to be powered off when the processor determines that the internal humidity of the electronic device is greater than the reference humidity. | 07-03-2014 |
20140185178 | CHANGING THE STATE OF A SWITCH THROUGH THE APPLICATION OF POWER - A switch includes a spring. The switch further includes a collapsing element. The spring has a first spring state in which it is being held in tension by a restraining element and a second spring state in which it is not being held in tension because the restraining element has failed. The collapsing element is situated such that when sufficient power is applied to the collapsing element heat from the collapsing element will cause the restraining element to fail. The switch further includes a first contact coupled to the spring. The switch further includes a second contact coupled to the spring. The first contact and the second contact have a first 1-2 electrical connection state when the spring is in the first spring state. The first contact and the second contact have a second 1-2 electrical connection state different from the first 1-2 electrical connection state when the spring is in the second spring state. | 07-03-2014 |
20140204495 | RELEASE UNIT FOR TRIPPING A TRIPPING ELEMENT OF AN ELECTRICAL SWITCHING DEVICE AND ELECTRICAL SWITCHING DEVICE - An embodiment of the invention relates to a release unit for tripping an electrical switching device, having two or more releases, at least one interface for receiving electrical input signals for each of the releases, a common interface to a tripping element, which is designed to mechanically trip the electrical switching device, wherein the common interface is designed for transmitting a common electrical output signal to the tripping element, wherein each release includes electronics for converting the respective electrical input signal into the common electrical output signal. In addition, an embodiment of the invention relates to electrical switching devices having such a release unit. | 07-24-2014 |
20140211358 | INDUSTRIAL AUTOMATION EMERGENCY STOP WITH STATE INDICTOR - The embodiments described herein include a system and a method. One embodiment provides an industrial automation system an emergency stop system configured to interrupt power to at least a portion of an industrial control system. The industrial automation system further includes a user perceptible indicator associated with the emergency stop system that in use provides an indication to a user of an operative state of the emergency stop system. | 07-31-2014 |
20140233144 | ROOT MEAN SQUARE DETECTOR AND CIRCUIT BREAKER USING THE SAME - The present disclosure relates to a RMS detector for directly computing a signal detected through an analog circuit to measure its RMS value, and a circuit breaker using the same. For this purpose, a RMS detector according to the present disclosure may include a plurality of voltage/current sensing units configured to detect a voltage or current shaped analog signal for an arbitrary load; a plurality of square circuit units configured to compute square function units, respectively, based on a voltage output from the plurality of voltage/current sensing units; a summing circuit unit configured to sum a plurality of output voltages output from the plurality of square circuit units, respectively; and a root circuit unit configured to compute a RMS value based on a voltage output from the summing circuit unit. | 08-21-2014 |
20140268468 | DIRECT CURRENT BREAKER AND ELECTRICAL POWER SYSTEM COMPRISING SUCH DIRECT CURRENT BREAKER - A direct current breaker for a high voltage direct current application includes: two high voltage electron tubes arranged in an anti-parallel connection, and a control circuit for receiving, from a control system, infrared pulses including control information, the control circuit further including a device configured to convert the infrared pulses into electrical control signals, for controlling a switching status of the direct current breaker. An electrical power system includes such direct current breaker. | 09-18-2014 |
20140285939 | BREAKER CIRCUIT WITH FAILURE SELF-DETECTION FUNCTIONS - A breaker circuit is provided with failure self-detection functions. The circuit may comprise line and neutral power supply lines, line and neutral power output lines, a test magnetic coil, a neutral magnetic coil, a first electronic switch, and a first rectifier DC power unit comprising a bridge rectifier and a filter circuit. A leakage signal detection circuit may comprise a leakage signal amplification integrated circuit as its core component. An electromagnetic tripping mechanism may work under the control of the leakage signal detection circuit. The electromagnetic tripping mechanism may comprise an electromagnetic coil. A self-detection control circuit may comprise a second rectifier DC power unit, an analog leakage circuit comprising a series branch circuit comprising a first current-limiting resistor and a second electronic switch, and a micro-processing circuit composed of a microcontroller as its core component. The circuit may also comprise a self-detection alarming circuit. | 09-25-2014 |
20140285940 | MASTER-SLAVE DIGITAL CIRCUIT BREAKERS - An electrical system includes a first circuit breaker that digitally senses a first current to a first load, and a second circuit breaker that digitally senses a second current to a second load and provides an output to the first circuit breaker. The first circuit breaker determines an average current based upon the first sensed current and the output from the second circuit breaker, and the first and second circuit breakers terminate power to the first and second loads if the average current is greater than a threshold value. | 09-25-2014 |
20140313630 | INTELLIGENT MAGNETIC LATCHING MINIATURE CIRCUIT BREAKER AND CONTROL METHOD THEREFOR - This invention discloses a type of intelligent magnetic-hold miniature circuit breaker and its control method, comprising a casing, a magnetic-hold relay, and a drive circuit, wherein said drive circuit receives control signal and then drives operation of said magnetic-hold relay; said magnetic-hold relay comprises a dynamic spring assembly, a static spring assembly, a deflector rod, a pushing piece, and a magnetic steel assembly; rotation of said magnetic steel assembly drives said deflector rod and then closing or opening of contacts of said dynamic spring assembly and said static spring assembly via said pushing piece; said miniature circuit breaker also includes a central processor, a communication chip, and a voltage state circuit; and said deflector rod extends out through a hole on said casing to allow manual operation. This invention breaks through traditional miniature circuit breaker design concept, and in terms of functions, realizes manual operation with priority and coordination between manual operation and remote operation in normal state, as well as protection in abnormal state, i.e. in case of interruption of commercial power supply followed by its restoration, clearing and addition of manual opening record. | 10-23-2014 |
20140334055 | BREAKER, AND SAFETY CIRCUIT AND SECONDARY BATTERY CIRCUIT PROVIDED WITH THE SAME - A breaker is provided with: a movable piece ( | 11-13-2014 |
20140340804 | ELECTROMAGNETIC SWITCH FOR USE WITH ELECTRICAL EQUIPMENT - An electromagnetic switch comprises at least one pair of magnetically latchable electrical contacts ( | 11-20-2014 |
20150009601 | DIFFERENTIAL PROTECTION DEVICE FOR A SWITCHGEAR APPARATUS, AND ELECTRIC SWITCHGEAR APPARATUS COMPRISING ONE SUCH DEVICE - This differential protection device is designed for an electric disconnecting apparatus, the disconnecting apparatus comprising at least one fixed contact suitable for being connected to a corresponding electrical conductor, at least one movable contact, between a closed position, wherein it is electrically connected to the corresponding fixed contact, and an open position, wherein it is electrically isolated from the corresponding fixed contact, and an actuator for activating the opening of the movable contacts when a differential fault is detected. | 01-08-2015 |
20150029633 | Miniature breaker having short circuit self-locking function and miniature breaker having position state detecting function - Both a miniature circuit breaker with short-circuit self-locking function and a miniature circuit breaker with position state detection function include: a first miniature circuit and a miniature circuit breaker operation output device. A motor, an action unit and a control unit are located within the casing of the miniature circuit breaker operation output device. The motor outputs a torque, the action unit obtains the torque and the torque is converted into the closing or breaking operation of the first miniature circuit breaker, the control unit controls the rotation and stop of the motor. A position state detection mechanism is located within the casing of the miniature circuit breaker operation output device of the miniature circuit breaker with position state detection function and triggers the control unit to stop the motor when the closing or breaking operation of the first miniature circuit breaker reaches the specified position. | 01-29-2015 |
20150043121 | Circuit Breaker and Circuit Breaker Operating Method - The invention is intended to provide a circuit breaker or a circuit breaker operating method enabling a current interruption action to be performed efficiently. A circuit breaker is characterized in that includes a fixed contact and a movable contact that comes in and goes out of contact with the fixed contact; a main circuit conductor that is electrically connected to the fixed contact and the movable contact; an operating mechanism including a mover configured by concatenating permanent magnets or magnetic materials alternately having opposite N and S magnetic polarities along the direction of motion axis of the movable contact and magnetic poles disposed to face the N and S magnetic polarities of the mover and wound with windings; a current detector that detects a current flowing through the main circuit conductor; and a control device that varies the amount of a current to be supplied to the windings of the magnetic poles, depending on a current value detected by the current detector. | 02-12-2015 |
20150055266 | MAGNETIZING INRUSH CURRENT SUPPRESSION DEVICE - According to one embodiment, a magnetizing inrush current suppressing device is configured to measure a three-phase alternating current flowing from the power supply bus to the load, detect a first interruption phase as a phase of an electric current which is interrupted first among the three phases, detect a phase of a phase voltage zero point through which a phase voltage of the first interruption phase of the three-phase AC voltage passes when changing from the same polarity as that of an electric current immediately before interruption of the first interruption phase to an opposite polarity, and close the circuit-breaker at a phase within 60° from the detected phase. | 02-26-2015 |
20150116886 | MULTIPHASE CIRCUIT BREAKER SYSTEM HAVING A SHORT-CIRCUIT LINK - The circuit breaker system contains a plurality of phase conductors, a circuit breaker having a plurality of breaker poles, and a short-circuit link having a star point and a plurality of link conductors combined at the star point. Each of the phase conductors is electrically conductively connected to in each case one of the breaker poles and each link conductor is electrically conductively connected to in each case one of the phase conductors in each case one of several first disconnectors to which short-circuit current can be applied. In order to avoid expenditure on assembly and downtimes of the circuit breaker system when carrying out simulation experiments with the aid of the short-circuit link, the circuit breaker system contains a second disconnector which, when closed, electrically conductively connects the star point to ground and which is opened when a short-circuit current is applied to the short-circuit current link. | 04-30-2015 |
20150294814 | POWER SWITCHING CONTROL APPARATUS FOR SWITCHING TIMINGS OF BREAKER TO SUPPRESS TRANSIT VOLTAGE AND CURRENT UPON TURNING ON THE BREAKER - A target pole-close timing determining unit corrects a breaker characteristic correction signal of a preceding turn-on phase by using a correction amount which is proportional to an absolute value of the interpolar voltage upon turn-on of the proceeding turn-on phase, and a correction amount which is proportional to an elapsed time after a target pole-close timing of the preceding turn-on phase, to generate a subsequent phase interpolar voltage signal, and determines a target pole-close timing of the subsequent turn-on phase at a timing when the subsequent phase interpolar voltage signal is equal to or smaller than a threshold value. | 10-15-2015 |
20150364272 | SWITCH, IN PARTICULAR POWER SWITCH, FOR LOW VOLTAGES - A switch is disclosed, in particular a power switch, for low voltages. The switch includes mechanically separable contact elements, in abutment when the switch is closed and via which a current to be monitored flows through the switch, an electronic trigger unit, which triggers a respective contact mechanics unit if a current condition is satisfied. In the event of triggering, the contacts are separated and the switch is switched on via the contact mechanics unit. A supply unit is included to extract a first electric energy from the current flowing through the switch to supply the trigger unit with energy. To guarantee energy supply even when switching to a short-circuit, the contact mechanics unit is coupled to a conversion unit, which converts a portion of the mechanical energy to be provided during switching-on into a second electric energy that supplies the trigger unit with electric energy during switching-on. | 12-17-2015 |
20160071678 | MECHANICAL DISCONNECT SWITCH WITH INTEGRATED FUSE PROTECTION - A circuit protection assembly (CPA) is disposed between a source of power and a circuit to be protected. The CPA comprises a mounting block having a bore extending therethrough and a recess cavity on a first surface of the mounting block. A post having a first end is disposed within the recess cavity and a body portion extends through the bore. The body portion configured to receive a terminal and the second end configured to receive a securing mechanism. A fuse having a centrally disposed aperture is configured to receive the body portion of the post and to receive the terminal for connection to a circuit to be protected. An insulator disposed on the terminal and disposed beneath the securing mechanism. The insulator configured to isolate the post from the terminal and the fuse while allowing the securing mechanism to apply an amount of torque. | 03-10-2016 |
20160099562 | ELECTRICAL SYSTEM AND SUPPORT ASSEMBLY THEREFOR - A support assembly is for an electrical system. The electrical system includes a network protector and a number of disconnect switches coupled to the network protector. The support assembly includes: an insulative mounting member coupled to each of the disconnect switches; a number of base assemblies each including a housing assembly and a stand assembly disposed on the housing assembly, the housing assembly being coupled to the insulative mounting member; and a lifting apparatus disposed on each of the base assemblies. The lifting apparatus moves each of the insulative mounting member and the housing assembly in a direction transverse to the stand assembly. | 04-07-2016 |
20160126041 | TRIPPING DEVICE OF CIRCUIT BREAKER - A tripping device of a circuit breaker of the present disclosure may reinforce a magnetic force on a main magnetic flux path using a plurality of magnetic force reinforcing plates without using an additional plate yoke on an actuator provided in the circuit breaker to miniaturize the size of the actuator, thereby having an effect of allowing a control circuit unit provided at an outer portion of the circuit breaker to be installed at an inner portion of the circuit breaker to miniaturize the whole size of the circuit breaker. | 05-05-2016 |
20160141862 | APPARATUS AND METHODS FOR MONITORING AND RESPONDING TO POWER SUPPLY AND/OR DETECTION CIRCUIT FAILURES WITHIN AN ELECTRONIC CIRCUIT BREAKER - An electronic circuit breaker may include a monitoring circuit configured to monitor and respond to a power supply and/or detection circuit failure within the electronic circuit breaker. In some embodiments, the monitoring circuit may monitor a regulated DC voltage provided by the detection circuit within the electronic circuit breaker. A response to a power supply and/or detection circuit failure may include interrupting current flow between an electrical power source and an electrical circuit protected by the electronic circuit breaker. Methods of monitoring and responding to a power supply and/or detection circuit failure within an electronic circuit breaker are also provided, as are other aspects. | 05-19-2016 |
20160163475 | CIRCUIT BREAKER INCLUDING REMOTE OPERATION CIRCUIT - A circuit breaker includes first and second terminals structured to electrically connect to a line and a load, respectively, at least one set of separable contacts movable between a closed position and an open position, a first operating mechanism structured to open one set of separable contacts in response to a detected fault condition on the protected circuit, a second operating mechanism structured to open or close one set of separable contacts in response to an external control signal, a remote operation circuit structured to receive the external control signal and to control the second operating mechanism to open or close based on said external control signal, the remote operation circuit including a power supply structured to convert power from the line and to provide the converted power to the second operating mechanism. | 06-09-2016 |
20160163476 | CIRCUIT BREAKER PANEL INCLUDING REMOTELY OPERATED CIRCUIT BREAKER - A circuit breaker panel includes a control unit structured to generate a control signal and a number of circuit breakers. At least one of the circuit breakers includes a number of sets of separable contacts and is structured to open or close one set of separable contacts based on the control signal. At least one of the circuit breakers is structured to electrically connect between a line and load and includes a power supply structured to convert power from the line and to use the converted power to open or close the set of separable contacts. | 06-09-2016 |
20160190793 | SURGE PROTECTOR ASSEMBLY - A surge protector assembly includes an electronic device. A housing has a bottom side, a top side and a peripheral wall extending therebetween. The top side is open. A breaker is positioned within the housing. The breaker is coupled to an upper surface of the bottom side. A first cord extends through a back side of the peripheral wall and is electrically coupled to the breaker. The first cord has a distal end with respect to the housing. The distal end has a first plug electrically coupled thereto. The first plug is electrically coupled to a power source. A second cord extends through a front side of the peripheral wall and is electrically coupled to the breaker. The second cord has a distal end with respect to the housing. The distal end of the second cord has a second plug electrically coupled thereto. The second plug is electrically coupled to the electronic device. | 06-30-2016 |
20170236676 | CIRCUIT BREAKER | 08-17-2017 |
361116000 | Pneumatically operated circuit breaker | 1 |
20120002338 | SAFETY ARRANGEMENT FOR A MOTOR VEHICLE - A safety arrangement for a motor vehicle includes an electrical energy storage unit. The arrangement is particularly intended for use in a motor vehicle configured to be powered electrically, or by a so-called hybrid motor, and which hence comprises a high voltage electrical storage unit such as a battery or capacitor. The safety arrangement is configured to cool the storage unit in response to a signal indicative of an accident situation or battery malfunction, and comprises: a source of compressed inert gas and a flow-release actuator, the flow-release actuator being actuable upon receipt of an actuation signal so as to release a flow of inert gas from said source, the arrangement being configured such that said flow is directed substantially onto said storage unit so as to cool the unit. | 01-05-2012 |