| Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
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| 07/10/2002 | EP1221768A1 A generator set having an inverter |
| 07/10/2002 | CN2500022Y Switch power source |
| 07/10/2002 | CN2500021Y Light limiting energy saving switch |
| 07/10/2002 | CN1357965A Matrix converter and its working mode |
| 07/09/2002 | US6417631 Integrated bridge inverter circuit for discharge lighting |
| 07/04/2002 | US20020085398 System and method for regenerative PWM AC power conversion |
| 07/04/2002 | DE10001497A1 Circuit arrangement with electrical frequency converter with DC intermediate circuit for control of electric motor drives. has between in-feed and static rectifier |
| 07/03/2002 | EP1220436A2 Apparatus provided with an electronic load control device and with a power supply unit for such device |
| 07/03/2002 | CN2498792Y Secondary A.C. power supply |
| 07/03/2002 | CN2498791Y Energy-saving D.C. power supply |
| 07/03/2002 | CN2498790Y Multifunctional electrical appliance by AC/DC power supply |
| 07/03/2002 | CN1356769A Speed regualtion of AC motor |
| 06/27/2002 | US20020080627 Isolated power controller |
| 06/27/2002 | US20020079849 AC power converter |
| 06/26/2002 | CN2497481Y Source voltage sampling apparatus in variable frequency power source |
| 06/26/2002 | CN1355596A Dead area compensation method for PWM-type frequency-conversion power supply |
| 06/26/2002 | CN1355595A Detecting and protecting method and device for exception of circuit |
| 06/26/2002 | CN1355589A Multi-channel cooperative voltage regulation for SCR |
| 06/20/2002 | WO2002049396A1 System for increasing circuit performance by reusing energy |
| 06/20/2002 | US20020074865 Two line switch and power sharing for programmable means |
| 06/19/2002 | EP1214771A1 Voltage balancing in intermediate circuit capacitors |
| 06/19/2002 | CN1354968A Method and device for supplying electric arc melting furnace with current |
| 06/18/2002 | US6407515 Power regulator employing a sinusoidal reference |
| 06/13/2002 | US20020070719 Electrical power conservation apparatus and method |
| 06/13/2002 | US20020070205 Power supply for electric arc welding |
| 06/12/2002 | CN2495059Y Triphase AC intelligent regulating voltage governor |
| 06/11/2002 | US6404171 Alternating-current electric power controlling apparatus and method for controlling supply of alternating-current electric power to electric load |
| 06/06/2002 | DE10057785A1 Verfahren zur Steuerung eines Matrixumrichters Method for controlling a matrix converter |
| 06/06/2002 | DE10057784A1 Verfahren zur Steuerung eines Matrixumrichters Method for controlling a matrix converter |
| 06/06/2002 | DE10057783A1 Verfahren zur Steuerung eines Matrixumrichters Method for controlling a matrix converter |
| 06/05/2002 | EP1211776A2 Inductive power distribution system |
| 06/05/2002 | EP1210758A1 Uninterruptible power supplies with dual-sourcing capability and methods of operation thereof |
| 06/05/2002 | CN1352731A A wind power plant and a method for control |
| 06/04/2002 | US6400586 Power factor corrected UPS with improved connection of battery to neutral |
| 06/04/2002 | US6400539 Inverter device and motor driving device provided with inrush prevention circuit |
| 05/30/2002 | WO2002043356A1 Contactless power system |
| 05/30/2002 | WO2002043235A2 Method for controlling a matrix converter |
| 05/30/2002 | WO2002043234A2 Method for controlling a matrix converter |
| 05/30/2002 | WO2002043233A1 Method for controlling a matrix converter |
| 05/29/2002 | EP1208411A1 Transformer with secondary voltage electronic adjustment |
| 05/29/2002 | DE10155182A1 System for power conversion of electrical energy has first and second power conversion stage for selectively rectification of signal, selective modification of frequency of signal |
| 05/28/2002 | US6396721 Power converter control device and power converter thereof |
| 05/22/2002 | CN2492996Y Three-phase intelligent lighting controller |
| 05/22/2002 | CN1350719A Control of a DC matrix converter |
| 05/21/2002 | CA2059683C Voltage controller with reduced filtering losses |
| 05/16/2002 | DE10048469A1 Method for improving the current waveform of a rectified power supply for delivery to a power consuming device in which fifth and seventh order harmonics are suppressed using a suitable voltage system |
| 05/10/2002 | WO2002037657A1 Method and pulse-control circuit for a power component |
| 05/10/2002 | CA2361785A1 Power converter system |
| 05/08/2002 | CN2490591Y High-frequency high-voltage generator |
| 05/08/2002 | CN1348249A Variable-frequency power supply unit |
| 05/08/2002 | CN1348248A High-frequency AC/AC converter with AC link |
| 05/02/2002 | WO2002035694A1 Portable device with reduced power dissipation |
| 05/02/2002 | US20020051371 Inverter device and motor driving device provided with inrush current prevention circuit |
| 05/02/2002 | US20020051368 Mobile power generation system |
| 05/02/2002 | EP1201022A1 Power converting circuit with reduced harmonic content |
| 05/02/2002 | DE10051705A1 Method for electronic power control of an electric charge connected to AC mains regulates rough power settings with a mains half-wave control and sensitive power settings with a phase control |
| 05/01/2002 | CN2489513Y Power supply controller |
| 05/01/2002 | CN2489367Y AC switch compensating voltage stabilizer |
| 04/30/2002 | US6380692 Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes |
| 04/25/2002 | WO2002033814A1 Self-incentive push-pull type power supply |
| 04/25/2002 | DE10051222A1 Verfahren zum Betrieb eines Matrixkonverters sowie Matrixkonverter zur Durchführung des Verfahrens A method for operating a matrix converter and a matrix converter for implementing the method |
| 04/24/2002 | EP1199794A2 Method for operating a matrix converter and matrix converter for carrying out this method |
| 04/24/2002 | EP1199793A1 Electric power control device |
| 04/24/2002 | EP1198876A1 System for controlling the delivery of power to dc computer components |
| 04/24/2002 | CN1083626C Apparatus and method for interline power flow control |
| 04/18/2002 | WO2002031955A1 A resonant converter |
| 04/17/2002 | EP1057247A4 Ac power converter |
| 04/17/2002 | EP0864193B1 Apparatus and method for interline power flow control |
| 04/16/2002 | US6373729 Electric power source apparatus including electric power converter circuit and method for controlling the same |
| 04/16/2002 | US6373347 Power control circuits and methods |
| 04/11/2002 | WO2002029962A2 Power saving circuitry |
| 04/11/2002 | US20020041502 Bi-directional power supply circuit |
| 04/03/2002 | EP1192625A1 Charge transfer apparatus and method therefor |
| 04/02/2002 | US6366483 PWM rectifier having de-coupled power factor and output current control loops |
| 04/02/2002 | US6366062 Method and apparatus for electronic power control |
| 04/02/2002 | US6365874 Power supply for electric arc welding |
| 03/28/2002 | DE10025028C2 Elektromagnetischer Festkörper-Spannungswandler Electromagnetic solid-voltage converter |
| 03/27/2002 | EP1191659A2 Generator apparatus |
| 03/27/2002 | EP1190176A1 A wind power plant and a method for control |
| 03/27/2002 | CN2483135Y Large power inverter for welding use |
| 03/27/2002 | CN1342390A Electronic ballast circuit |
| 03/27/2002 | CN1341989A Dead-zone compensation method of frequency converter |
| 03/27/2002 | CN1341876A Capacity-type electronic current-regulating voltage-regulating voltage-stabilizing device |
| 03/26/2002 | US6362982 Fault tolerant and conversion efficient power converter |
| 03/26/2002 | US6362537 Power unit |
| 03/25/2002 | CA2320640A1 Natural wave inverter |
| 03/21/2002 | WO2002023708A1 Cutting electric power converter |
| 03/21/2002 | US20020034089 Semiconductor electric power conversion device |
| 03/20/2002 | EP1188223A1 Circuit for supplying power to a semiconductor switching device |
| 03/20/2002 | EP1155358A4 A method and system for alternating current regulation |
| 03/20/2002 | EP0782785B1 Improved zero-voltage-transition (zvt) 3-phase pwm voltage link converters |
| 03/20/2002 | CN1340749A Self-protecting constant-voltage power transformer |
| 03/14/2002 | WO2002021663A1 Inverter having center switch and uninterruptible power supply implementing same |
| 03/14/2002 | DE10023267A1 Electrical power transfer controlling method involves switching of matrix converter between primary and secondary 3-phase voltage systems for maintaining sinusoidal current characteristics |
| 03/13/2002 | EP1187305A2 Inverter suitable for use with portable AC power supply unit |
| 03/13/2002 | EP1186091A1 Indirect voltage converter |
| 03/13/2002 | CN2482270Y High-voltage ac power supply for electrostatic dust-collector |
| 03/13/2002 | CN2482269Y Three-phase input filter unit for switch power supply |
| 03/12/2002 | USRE37576 Single phase motor with positive torque parking positions |
| 03/12/2002 | US6356472 Interconnection system for transmitting power between electrical systems |