Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
10/2002
10/22/2002US6469918 Solid state cathodic protection systems, methods for making and using same
10/22/2002US6469916 Method and apparatus for compensating for device dynamics and voltage drop in inverter based control systems
10/22/2002US6469567 Power supply circuit and method
10/22/2002US6469564 Circuit simulating a diode
10/22/2002US6469479 Power control system and method for a display apparatus
10/22/2002US6469470 Motor drive circuit having a resistor circuit for sine wave generation
10/17/2002WO2002082628A1 Apparatus and method of operating two switches
10/17/2002WO2002082627A1 Power converter
10/17/2002WO2002082543A1 Semiconductor device
10/17/2002WO2002037659A9 Multi-level quasi-resonant power inverter
10/17/2002US20020149950 Power conditioner for solar power generation system
10/17/2002US20020149890 Resonance type power supply unit
10/17/2002US20020149339 Controls to incorporate three-phase motors into vehicles
10/17/2002DE10117360A1 Half bridge circuit has series circuit of two MOS transistors, each with body zone between source and drain zones that is floating or that is connected via Ohmic resistance to source zone
10/17/2002CA2442747A1 Apparatus and method of operating two switches
10/16/2002EP1249928A1 Method and voltage-converter for transforming an input DC voltage into an AC voltage with a frequency close to the grid frequency
10/16/2002EP1249923A2 Circuit for transformation of AC-voltage into DC-voltage
10/16/2002EP1249067A1 Portable device with reduced power dissipation
10/16/2002EP1249065A1 Modular voltage adapter and method for using same
10/16/2002EP1249061A1 Dynamic series voltage compensator and method thereof
10/16/2002CN1375123A System for controlling the delivery of power to DC computer components
10/16/2002CN1374818A Microwave oven with large power output switch apparatus
10/16/2002CN1374747A Switch power source device
10/16/2002CN1374746A Single HF power conversion and dynamically pre-loaded sinusoidal inverter circuit
10/16/2002CN1374745A Novel IGBT insulated grid transistor current transformer module
10/16/2002CN1374744A Triphase four-line inversaion power source
10/16/2002CN1374742A DC-to-AC converter
10/16/2002CN1374741A Electric energy converter
10/15/2002US6466469 Power converter modulation using phase shifted signals
10/15/2002US6466467 Inverter or converter by current injection, provided with a circuit whose generating frequency for the alternating voltage is adjusted by the load's resonant frequency, cycle to cycle, without lags
10/15/2002US6466466 Stable artificial neutral point in a three phase network of single phase rectifiers
10/15/2002US6466465 Digital control of voltage harmonic distortion and overload current protection for inverters
10/15/2002US6466463 Switching power supply
10/15/2002US6466456 Converter with resonant circuit elements for determing load type
10/15/2002US6466455 Unified power architecture with dynamic reset
10/15/2002US6465995 Switching power supply with AC waveform capability
10/15/2002US6465992 Preconditioner generating feedback signal having reduced ripple
10/15/2002US6465931 Device and method for driving symmetric load systems
10/10/2002WO2002080342A1 Control means for a transistor switch circuit
10/10/2002WO2002080324A1 A insulated bus bar assembly in a voltage source converter
10/10/2002US20020145896 Method and apparatus for transmitting power
10/10/2002US20020145890 Controlling operation of an ac/dc converter
10/10/2002US20020145887 Inverter device
10/10/2002US20020145886 Power inverter for driving alternating current loads
10/10/2002DE10116156A1 Schaltungsanordnung zur Gewinnung einer Gleichspannung Circuitry for extracting a DC voltage
10/10/2002DE10113856A1 Stromrichteranordnung Converter assembly
10/09/2002CN1373925A Method and arrangement for expanding power output capacity of power plant
10/09/2002CN1373553A High-reliability control circuit for full-bridge phase-shift zero-voltage zero-current switching power supply
10/09/2002CN1373368A Device and method for detecting earthing failure in solar generating system
10/08/2002US6462976 Conversion of electrical energy from one form to another, and its management through multichip module structures
10/08/2002US6462973 A.C./D.C. converter that automatically adapts to the amplitude of the supply voltage
10/08/2002US6462972 Power source apparatus for providing a power source in a standby mode and a pulse generating apparatus
10/08/2002US6462969 Method and apparatus for controlling power supply units in a power supply based on the number of operating power supply units
10/08/2002US6462968 Reverse conducting GCT (Gate Commutated Thyristor) and application of such a GCT
10/08/2002US6462965 Switching power supply
10/08/2002US6462962 Lossless switching DC-to-DC converter
10/08/2002US6462924 Power supply apparatus comprising a voltage detection circuit and method for using same
10/08/2002US6462518 Converter circuit having an inverter for each phase
10/08/2002US6462517 Voltage regulator of vehicle AC generator
10/03/2002WO2002078164A1 Method for regulating an inverter system
10/03/2002WO2002078162A2 Power converter array
10/03/2002WO2002077738A1 Single-stage pfc + ballast control circuit/general purpose power converter
10/03/2002US20020144163 System and method for highly phased power regulation using adaptive compensation control
10/03/2002US20020143425 Circuit for generating three-phase PWM signal
10/03/2002US20020141216 Multi-output power conversion circuit
10/03/2002US20020141214 Synchronous rectifiers
10/03/2002US20020141212 Control apparatus for power converter
10/03/2002US20020140501 Power supply circuit and method
10/03/2002US20020140403 Un-interruptible power supply
10/03/2002US20020140290 Electric circuit of electric vehicle
10/02/2002EP1246353A2 Multi-output power conversion circuit
10/02/2002EP1246351A2 Circuit for obtaining a DC voltage
10/02/2002EP1245074A1 Three phase-electrical intermediate circuit having reduced network feedback-identical pulse-director system with a wide positioning range pertaining to the output voltage
10/02/2002EP1147596B1 Method for reducing losses in commutation processes
10/02/2002EP1119899B1 Arrangement of a multiphase converter
10/02/2002EP0769238B1 An energy converter for heating units for foodstuffs
10/02/2002DE10152930A1 Leistungsrichter und Signalpegelumsetzer Judges and signal level converter
10/02/2002DE10114075A1 Stromrichterschaltungsanordnung für Generatoren mit dynamisch veränderlicher Leistungsabgabe Converter circuit arrangement for generators with dynamically variable power output
10/02/2002DE10112820A1 Measuring currents in multi-phase converters involves performing a current or voltage measurements on pairs of half bridges combined to form current measurement units
10/02/2002CN1372374A Pulse width modulation frequency superposition method
10/01/2002US6460168 Method of designing power supply circuit and semiconductor chip
10/01/2002US6459601 Control circuit of power converter
10/01/2002US6459600 Method of connecting synchronous rectifier modules in parallel without output voltage faults
10/01/2002US6459599 Determining phase of AC mains in PWM controlled converters without voltage sensors
10/01/2002US6459598 Inverter device
10/01/2002US6459597 Electric power conversion apparatus with noise reduction device
10/01/2002US6459596 Method and apparatus for a Reduced parts-counts multilevel rectifier
10/01/2002US6459380 Semiconductor apparatus with alarm predicting means
10/01/2002US6459280 Capacitance devices for film thickness mapping, measurement methods using same
10/01/2002US6459213 Ballast for parallel-connected lamps
09/2002
09/26/2002WO2002075910A2 Vacuum arc method, system, and apparatus
09/26/2002WO2002075908A1 Dc-dc converter.
09/26/2002WO2002075756A1 Energy conversion apparatus
09/26/2002WO1998024172A3 Device for rectifying voltage with integrated components
09/26/2002US20020137399 Electronic power circuit of several power modules
09/26/2002US20020137382 Power adapter device
09/26/2002US20020136041 Vehicular modular design multiple application rectifier assembly having outer lead integument
09/26/2002US20020136040 Switching voltage converter
09/26/2002US20020136030 DC-DC converter and control circuit therefor
09/26/2002US20020136029 Low voltage, high current dc computer power system