Patent application number | Description | Published |
20110049991 | UNINTERRUPTIBLE POWER SUPPLY APPARATUS - In an uninterruptible power supply apparatus, a common mode current flowing from nodes (N | 03-03-2011 |
20110051478 | POWER CONVERSION DEVICE - A three-level PWM converter ( | 03-03-2011 |
20110103106 | POWER CONVERSION DEVICE - In a power conversion device, reactors in an AC input filter absorbing a voltage at a carrier frequency of a PWM converter and reactors in an AC output filter absorbing a voltage at a carrier frequency of a PWM inverter include one six-leg six-phase iron core reactor. Accordingly, the device can be reduced in size when compared with a case where the reactors are composed of two four-leg six-phase iron core reactors. | 05-05-2011 |
20110127837 | POWER CONVERSION APPARATUS - A power conversion apparatus includes an inverter for converting DC power to AC power for supply to a load, a converter for converting AC power from an AC power supply to DC power for supply to the inverter, a DC voltage converter for converting a voltage value of power stored in a storage battery to supply DC power from the storage battery to the inverter when power supply from the AC power supply is faulty, and a filter including a reactor and a capacitor, for removing harmonics generated by the inverter. The inverter includes a three-level circuit which is a multi-level circuit. | 06-02-2011 |
20110134672 | POWER CONVERSION APPARATUS - A power conversion apparatus includes an inverter for converting DC power to AC power for supply to a load, a converter for converting AC power from an AC power supply to DC power for supply to the inverter, and a DC voltage converter for converting a voltage value of power stored in a storage battery and supplying DC power from the storage battery to the inverter when power supply by the AC power supply is abnormal. The converter includes a first three-level circuit which is a multi-level circuit. Similarly, the DC voltage converter includes a second three-level circuit. A control device controls the first and second multi-level circuits to suppress potential fluctuation at a neutral point between first and second capacitors. | 06-09-2011 |
20110170322 | POWER CONVERSION DEVICE - A power conversion device includes an inverter for converting DC power to AC power to supply the AC power to a load, a converter for converting AC power from an AC power supply to DC power to supply the DC power to the inverter, a DC voltage converter for converting a voltage value of power stored in a storage battery to supply DC power from the storage battery to the inverter when power supply by the AC power supply is abnormal, and a filter which includes a reactor and a capacitor and removes harmonics generated by the inverter. The inverter includes a three-level circuit constituted of an arm and an AC switch. | 07-14-2011 |
20110299307 | UNINTERRUPTIBLE POWER SUPPLY APPARATUS - An uninterruptible power supply apparatus includes a cooler cooling a converter/chopper circuit and a cooler cooling a PWM inverter. The converter/chopper circuit and the cooler make up one integrated unit. Accordingly, a smaller apparatus can be achieved, compared with a conventional apparatus in which a cooler is provided for each of a converter and a chopper. | 12-08-2011 |
20120013193 | UNINTERRUPTIBLE POWER SUPPLY SYSTEM - In an uninterruptible power supply system, control sections of three uninterruptible power supply units are connected to one another by communication cables to configure one integrated control unit. The integrated control unit brings three switches into conduction if a bias feeding mode is selected by one arbitrary operation section and brings three switches into conduction if an inverter feeding mode is selected. Therefore, there is no need to separately provide an operation section and a control section for operating and controlling all of the uninterruptible power supply units. | 01-19-2012 |
20120205983 | THREE-LEVEL POWER CONVERSION APPARATUS - Wiring between semiconductor modules and a direct current power supply circuit, which construct a three-level power conversion apparatus, is made to be low inductance, so that reduction in size and cost can be attained easily. | 08-16-2012 |
20150016155 | POWER SUPPLY APPARATUS - A power conversion circuit connected to a three phase alternating current line is controlled in a PWM system. To control an arm corresponding to each phase, first to third carrier wave signals are generated. The first to third carrier wave signals include two signals having phases, respectively, offset by 180 degrees from each other. This allows a zero phase component to less frequently reach a peak value and be accordingly reduced as time averaged. This can reduce a zero phase harmonic component generated from a power supply apparatus. | 01-15-2015 |
Patent application number | Description | Published |
20090274951 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A nonaqueous electrolyte secondary battery includes an electrode group in which a positive electrode plate including a positive electrode active material formed on a positive electrode current collector and a negative electrode plate including a negative electrode active material formed on a negative electrode current collector are wound with a separator interposed therebetween, and a tensile elongation rate of the positive electrode plate is larger than a tensile elongation rate of the negative electrode plate. | 11-05-2009 |
20100099029 | LITHIUM ION SECONDARY BATTERY - Disclosed is a lithium ion secondary battery including: a positive electrode including a positive electrode active material layer containing a positive electrode active material, and a positive electrode current collector; a negative electrode including a thin film negative electrode active material layer containing an alloy-based negative electrode active material, and a negative electrode current collector; a separator interposed between the positive electrode and the negative electrode; and an ion-permeable resin layer formed on a surface of the thin film negative electrode active material layer. In this lithium ion secondary battery, despite the use of the alloy-based negative electrode active material, the deterioration in battery performance such as cycle characteristics and output characteristics is prevented. | 04-22-2010 |
20100285368 | LITHIUM ION BATTERY - A lithium ion battery includes: a positive electrode; a negative electrode that includes a negative electrode active material layer that contains an alloy-formable active material; an ion permeable insulating layer that is interposed between the positive electrode and the negative electrode; and an ion conductive polymer layer that is interposed between the negative electrode and the ion permeable insulating layer, in which the ion conductive polymer layer is configured to include a negative electrode-side portion and an ion permeable insulating layer-side portion that have different compositions, and the ion permeable insulating layer-side portion is configured to have higher ion conductivity than the negative electrode-side portion. With such a lithium ion battery, charge/discharge cycle characteristics and rate characteristics can be improved. | 11-11-2010 |
20110008673 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - In a non-aqueous electrolyte secondary battery | 01-13-2011 |
20110027650 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided are a negative electrode | 02-03-2011 |
20110033735 | BATTERY PACK - A battery pack | 02-10-2011 |
20110262811 | ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREOF, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a non-aqueous electrolyte secondary battery having excellent input/output characteristics and excellent adherence between its electrode material mixture layer and current collector. Disclosed is an electrode for a non-aqueous electrolyte secondary battery, having a current collector and an electrode material mixture layer attached to a surface of the current collector, in which the electrode material mixture layer includes a metal oxide-containing electrode active material and a binder; the oil absorption capacity of the electrode active material is 25 g or more and 200 g or less, per 100 g of the electrode active material; and when the thickness of the electrode material mixture layer is designated as T, an amount W | 10-27-2011 |
20120032647 | METHOD FOR DETERMINING COMPLETION OF CHARGE OF LITHIUM ION SECONDARY BATTERY, METHOD FOR DETERMINING TERMINATION OF DISCHARGE OF LITHIUM ION SECONDARY BATTERY, CHARGE CONTROL CIRCUIT, DISCHARGE CONTROL CIRCUIT, AND POWER SUPPLY - A method for determining completion of charge of a long-duration lithium ion secondary battery is provided. | 02-09-2012 |
20120105010 | LITHIUM ION SECONDARY BATTERY SYSTEM AND BATTERY PACK - A lithium ion secondary battery system includes: an assembled battery including a plurality of lithium ion secondary batteries; a SOC measuring unit for measuring the SOC of the lithium ion secondary battery, and a temperature sensing unit for sensing the temperature thereof; and a heating unit for heating the lithium ion secondary battery. When a SOC measured by the SOC measuring unit is lower than a preset SOC set in advance in association with discharge rate, and a temperature measured by the temperature sensing unit is lower than a preset temperature set in advance in association with discharge rate, then, a control unit sends a command to the heating unit to supply heat, so that the temperature of the lithium ion secondary battery becomes a predetermined temperature. | 05-03-2012 |
20120231334 | POSITIVE ELECTRODE ACTIVE MATERIAL PARTICLES FOR LITHIUM ION SECONDARY BATTERIES, POSITIVE ELECTRODE USING THE SAME, AND LITHIUM ION SECONDARY BATTERY - Positive electrode active material particles for lithium ion secondary batteries include: a core particle including a first olivine-structured, lithium-containing phosphate compound which includes Fe and/or Mn and Li; and a shell layer attached to the surface of the core particle. The shell layer includes a second olivine-structured, lithium-containing phosphate compound which includes Fe and/or Mn and Li. At least the core particle includes a phosphorous compound represented by the formula (1): Me | 09-13-2012 |
20120319659 | SYSTEM AND METHOD FOR CONTROLLING CHARGE/DISCHARGE OF NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND BATTERY PACK - A charge/discharge control system for controlling charge/discharge of a non-aqueous electrolyte secondary battery having a positive electrode including a composite oxide containing lithium and nickel. This system includes a charge/discharge circuit for discharging the secondary battery and charging the secondary battery with power from an external power source; and a control unit for controlling the charge/discharge circuit such that the voltage of the secondary battery is within a voltage range having a predetermined end-of-discharge voltage as a lower limit value and a predetermined end-of-charge voltage as an upper limit value. The control unit is configured to change at least the end-of-discharge voltage according to a variable related to deterioration of the secondary battery. | 12-20-2012 |
20150147644 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery of the present disclosure includes: a positive electrode containing a first and a second positive electrode active material; and a non-aqueous electrolyte containing a fluorinated chain carboxylic acid ester represented by the following structural formula 1. The first positive electrode active material includes a lithium-containing transition metal oxide represented by a Li | 05-28-2015 |
Patent application number | Description | Published |
20090073140 | SENSING APPARATUS AND METHOD, AND PROGRAM THEREFOR - Human contact/non-contact is detected speedily and accurately. A measurement section measures capacitance of each of sites to which a plurality of electrodes are connected where a human body touches, a comparison section compares the capacitance with a threshold value for each contacting electrode, and a control section determines whether a human body has come in contact based on the comparison result. A reference value calculation section calculates a reference value serving as electrode-specific reference capacitance based on the measurement results corresponding to the plurality of electrodes cumulatively stored in a storage section, a difference calculation section calculates an absolute difference value between the electrode-specific reference capacitance and a plurality of measurement results, and a threshold value adjustment section adjusts the threshold value by subtracting from the electrode-specific threshold value a value of the sum of the calculated absolute difference value for each of the electrodes other than the absolute difference value of each of the electrodes. The present invention can be applied to a touch sensor. | 03-19-2009 |
20090187375 | TOUCH SENSOR, METHOD AND PROGRAM FOR CONTROLLING TOUCH SENSOR - To detect a position an object is brought into contact or brought into proximity of the contact regions arranged with a capacitance sensor at high precision by successive values with a small number of capacitance sensors. An intensity acquiring unit acquires intensities of change in capacitance detected by capacitance sensors as detection results of when annularly arranged with respect to a first quadrant to a fourth quadrant. A horizontal calculation unit calculates a detection position in a horizontal direction of a position an object is brought into contact or brought into proximity. A vertical direction calculation unit calculates a detection position in a vertical direction of a position an object is brought into contact or brought into proximity. A position output unit outputs positions in the horizontal direction and the vertical direction of the position the object is brought into contact or brought into proximity. | 07-23-2009 |
20120146903 | GESTURE RECOGNITION APPARATUS, GESTURE RECOGNITION METHOD, CONTROL PROGRAM, AND RECORDING MEDIUM - A gesture recognition apparatus has a temperature sensor in which a plurality of infrared sensors are arranged, a change region specifying unit that specifies a change region where a temperature change is generated as a region indicating a hand based on a temperature detected by each infrared sensor of the temperature sensor, and a gesture recognition unit that specifies a movement locus of the change region specified by the change region specifying unit and recognizes a gesture of the hand. | 06-14-2012 |
Patent application number | Description | Published |
20110243833 | METHOD FOR PRODUCING CHLORINE - An object of the present invention is to provide a novel method for producing chlorine with improved efficiency, which can remove impurities other than hydrogen chloride contained in a raw material gas and can recover unreacted hydrogen chloride after an oxidation reaction efficiently. The method of the present invention for producing chlorine includes an oxidation step of oxidizing hydrogen chloride in a raw material gas containing hydrogen chloride and impurities with oxygen, thereby obtaining a gas containing chlorine, and an absorption step of bringing the gas containing chlorine obtained in the oxidation step into contact with water or aqueous hydrochloric acid to form a solution containing hydrogen chloride and water as main components, thereby recovering unreacted hydrogen chloride and simultaneously obtaining a gas containing chlorine and oxygen as main components, wherein the above-mentioned raw material gas contains a gas obtained in at least one step of a first stripping step and a second stripping step, and the above-mentioned raw material gas passes through a step of removing moisture and a step of performing compression after at least one step of the first stripping step and the second stripping step and before being subjected to the oxidation step. | 10-06-2011 |
20110256050 | METHOD FOR PRODUCING CHLORINE - An object of the present invention is to provide a novel method for producing chlorine, by which it is possible to remove impurities contained with hydrogen chloride in a raw material gas and further to recover unreacted hydrogen chloride after an oxidation reaction efficiently in a method for producing chlorine by oxidizing hydrogen chloride. The method of the present invention for producing chlorine includes [1] an oxidation step of oxidizing hydrogen chloride in a raw material gas containing the hydrogen chloride and impurities with a gas containing oxygen, thereby obtaining a gas containing chlorine, water, unreacted hydrogen chloride, and unreacted oxygen; [2] an absorption step of bringing the gas containing chlorine, water, unreacted hydrogen chloride, and unreacted oxygen obtained in the oxidation step into contact with an absorbent liquid including water or aqueous hydrochloric acid or cooling the gas, thereby recovering unreacted hydrogen chloride in the form of a solution containing hydrogen chloride and water as main components and simultaneously obtaining a gas containing chlorine and unreacted oxygen as main components; and [3] a stripping step of distilling the solution obtained in the absorption step, thereby obtaining a gas containing hydrogen chloride as a main component, wherein the gas obtained in the stripping step, which contains hydrogen chloride as a main component and contains 5 to 50% by volume of water, is recovered and mixed with the raw material gas. | 10-20-2011 |
20120238782 | METHODS FOR PRODUCING ALLYL CHLORIDE AND DICHLOROHYDRIN - A method for producing allyl chloride is provided which includes: a chlorination step of reacting propylene with chlorine to obtain a reaction product containing allyl chloride, unreacted propylene and by-product hydrogen chloride; a separation step of cooling the reaction product to separate the reaction product into the allyl chloride and a mixed gas containing the unreacted propylene and the by-product hydrogen chloride; a collection step of separating the mixed gas into the unreacted propylene and the by-product hydrogen chloride to collect the unreacted propylene; and an oxidation step of oxidizing the separated by-product hydrogen chloride to obtain chlorine. At least part of the chlorine used in the chlorination step is the chlorine obtained in the oxidation step. A method for producing dichlorohydrin using the chlorine obtained in the oxidation step is also provided. | 09-20-2012 |
Patent application number | Description | Published |
20120200171 | CONTROL DEVICE - A control unit of an uninterruptible power supply device includes a PWM circuit generating a plurality of PWM signals controlling a plurality of IGBT elements of a power conversion unit | 08-09-2012 |
20120217809 | UNINTERRUPTIBLE POWER SUPPLY APPARATUS - In this uninterruptible power supply apparatus, even after electric power supply to a load stops due to prolonged power failure time, the operation of an inverter is continued, a DC power supply voltage is generated based on an output of the inverter, and a control circuit is driven by the DC power supply voltage. Therefore, when electric power supply from a commercial AC power supply is resumed during the stop of electric power supply to the load, electric power supply to the load is automatically resumed by the control circuit. | 08-30-2012 |
20120218790 | POWER CONVERSION SYSTEM - A power conversion system includes n (n being an integer of 2 or more) power conversion devices (P | 08-30-2012 |
20130208518 | ELECTRIC POWER CONVERTER - An electric power converter includes a DC stabilization circuit ( | 08-15-2013 |
20140167517 | POWER SUPPLY SYSTEM - A power supply system ( | 06-19-2014 |