Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
07/2003
07/17/2003US20030132041 Fluid cooled vehicle drive module
07/17/2003US20030132040 Vehicle drive module having improved cooling configuration
07/17/2003CA2416190A1 Matrix converter for the transformation of electrical energy
07/16/2003EP1328139A1 Digital powerline control
07/16/2003CN1430812A Circuitry for supplying controlled signal to drive system
07/16/2003CN1430807A Power converter
07/16/2003CN1430458A Electronic ballast system with emergency lighting apparatus
07/16/2003CN1430328A Power supply converter having activation overshoot inhibition function
07/16/2003CN1430324A Method of establishing host machine in multi-module parallel system
07/16/2003CN1430322A Sine wave inverter capable of parallel operation
07/16/2003CN1430121A Output voltage stabilizer of switching power source supplier
07/16/2003CN1114988C Protecting method for inrush current preventing resistor
07/16/2003CN1114987C Single-stage AC/DC converter with power factor correction
07/15/2003US6594308 Conversion of a numeric command value in a constant frequency PWM drive signal for an electromagnetic load
07/15/2003US6594165 Circuit for converting AC voltage into DC voltage
07/15/2003US6594164 PWM controlled power conversion device
07/15/2003US6594162 Inverter device
07/15/2003US6594161 Power converter having independent primary and secondary switches
07/15/2003US6594130 Method and circuit for the protection of a thyristor
07/15/2003US6593796 Method and apparatus for powering multiple AC loads using overlapping H-bridge circuits
07/15/2003US6593781 Power semiconductor device
07/15/2003US6593722 Charging system for battery-powered drive system
07/15/2003US6593714 Motor control apparatus with a current sensor diagnostic apparatus and a current sensor diagnostic method
07/15/2003CA2271102C A resonant power converter for energising a coil
07/10/2003WO2003056884A1 Electronic ballast with rail voltage switching
07/10/2003WO2003056694A1 Electrical load apparatus, electrical load control method, and computer-readable record medium with recorded program for enabling computer to control electrical load
07/10/2003WO2003056687A1 Motor control unit cooling device
07/10/2003WO2003056581A1 Electromagnetic apparatus drive apparatus
07/10/2003WO2003056537A1 Electronic ballast with low voltage output
07/10/2003US20030128561 Power converter
07/10/2003US20030128146 Semiconductor device for inverter controlling
07/10/2003US20030127997 Device for turning on light and illumination apparatus
07/09/2003EP1326324A1 Protection circuit for protecting a switching device with an inductive load
07/09/2003EP1325551A1 Multiple power converter system using combining transformers
07/09/2003EP1325550A1 A method for controlling a vsc-converter and a vsc-converter
07/09/2003EP1325549A1 A resonant converter
07/09/2003EP1325548A2 A system and method for grouped gating control logic
07/09/2003EP1325546A2 System and method for highly phased power regulation
07/09/2003CN2560160Y Half bridge self-excited switch power supply
07/09/2003CN2560159Y Two-purpose switch apparatus
07/09/2003CN2560157Y Electric source apparatus
07/09/2003CN1428677A Method for power supply to low voltage electric equipment
07/09/2003CN1114260C Inverter system
07/09/2003CN1114258C Digital switch converter with quantization error compensation function
07/08/2003US6590794 Apparatus and method for measuring current
07/08/2003US6590792 Noise canceling circuit having a changeover device
07/08/2003US6590788 Intrinsically safe universal switching power supply
07/08/2003US6590786 System for controlling the delivery of power to DC computer components utilizing phase shift regulation
07/03/2003WO2003055055A1 Inverter
07/03/2003WO2003055052A1 Resonant converter with phase delay control
07/03/2003WO2003032475A3 Power conversion apparatus, power conversion system, and islanding operation detection method
07/03/2003WO2002056451A3 Ac-to-ac power converter without a dc link capacitor
07/03/2003US20030123268 DC-to-AC power inverter and method of operation thereof
07/03/2003US20030122605 Current limiting circuit
07/02/2003EP1324481A2 Three phase recitifier circuit with virtual neutral
07/02/2003EP1323194A1 Organic rectifier, circuit, rfid tag and use of an organic rectifier
07/02/2003EP1322369A2 Bi-level flow generator
07/02/2003CN2559165Y 数字式电源转换器 Digital power converter
07/02/2003CN2559164Y 数字式电源转换器 Digital power converter
07/02/2003CN1113466C Driving circuit for bridge transistor
07/01/2003US6587362 AC-DC converters with bi-directional thyristor valves
07/01/2003US6587360 Polyphase rectifying apparatus having single-phase rectifiers controlled by common control signal
07/01/2003US6587051 Power converting apparatus and burglarproof method therefor
06/2003
06/26/2003WO2003052915A1 A digital power converting method and device with zero voltage
06/26/2003WO2003052908A2 Circuit arrangement with power factor correction, as well as a corresponding appliance
06/26/2003WO2003052882A2 High frequency excitation system
06/26/2003US20030117823 Voltage conversion system and method and recording medium
06/26/2003US20030117816 Parallel DC-to-AC power inverter system with current sharing technique and method thereof
06/26/2003US20030117753 Inverter protecting apparatus
06/25/2003EP1322028A2 Voltage conversion system and method and recording medium
06/25/2003EP1320920A1 Cutting electric power converter
06/25/2003CN2558157Y Five-level high voltage frequency changer
06/25/2003CN1426626A 谐振变换器 Resonant converter
06/25/2003CN1426159A Switch power circuit
06/25/2003CN1426150A 变换器电路 Converter circuit
06/24/2003US6584001 Power converter module
06/24/2003US6583998 Power supply regulating having novel charging circuitry
06/24/2003US6583995 Permanent magnet generator and generator control
06/24/2003US6583702 Quadrupole mass spectrometer driver with higher signal levels
06/24/2003US6583682 Method of reducing conducted EMI in motor drive applications
06/19/2003WO2003050938A2 Power inverter
06/19/2003WO2003050846A2 Selective potting for controlled failure and electronic devices employing the same
06/19/2003US20030112646 Inverter
06/19/2003US20030112297 Power supply apparatus and image forming apparatus using the same
06/19/2003US20030112040 Power semiconductor device
06/19/2003US20030111477 Power control for instrumented medication package
06/19/2003CA2414543A1 Electronic ballast system having emergency lighting provisions
06/18/2003EP1320182A2 Method for determining the parameters of an inverter
06/18/2003CN2556849Y Multi-functional small high-voltage static generator
06/18/2003CN2556848Y High-frequency inverter for electric removing dust
06/18/2003CN2556847Y Energy-saving commutating charger
06/18/2003CN2556846Y Converting unit
06/18/2003CN1425217A Power supply unit for bipolar power supply
06/18/2003CN1424822A Load driving circuits with follow current diode
06/18/2003CN1111938C Single-phase rectifier with power-factor correcting circuit
06/17/2003US6580627 Voltage sensing with high and low side signals for deadtime compensation and shutdown for short circuit protection
06/17/2003US6580624 Switching power circuit with a filter for controlling noise of a switching frequency and method of same
06/17/2003US6580147 Semiconductor device having built-in capacitors
06/13/2003CA2364863A1 Inverter
06/12/2003WO2003049271A1 Switching power supply and its driving method