| 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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| 04/14/2004 | CN1489271A Electronic stepless regulating AC voltage-regulating and stabilizing apparatus |
| 04/08/2004 | WO2004030195A1 Rectangular wave inverter with surge being supressed |
| 04/08/2004 | US20040066167 Multi-axes industrial processing machine |
| 04/07/2004 | EP1406374A1 Electric supply device, in particular for the supply of a power switch |
| 04/07/2004 | CN2610554Y Rolling power regulating control switch |
| 04/07/2004 | CN2610528Y Lamp holder |
| 04/07/2004 | CN1488188A Waveform exchange method and equipment |
| 04/07/2004 | CN1487664A Low-harmonic AC motor controller and control method |
| 04/01/2004 | WO2004027969A1 Electric load device, abnormality handling method, and computer-readable recording medium storing therein program for causing computer to execute electric load abnormality handling |
| 04/01/2004 | US20040062065 Wave transformation method and device |
| 04/01/2004 | US20040062062 Method and compensation modulator for dynamically controlling induction machine regenerating energy flow and direct current bus voltage for an adjustable frequency drive system |
| 04/01/2004 | US20040061483 Compensation of reactive power via a frequency converter |
| 03/31/2004 | EP1404015A2 Method and compensation modulator for dynamically controlling induction machine regenerating energy flow |
| 03/31/2004 | EP1402621A2 Arrangement for automatically influencing a mains supply and motor drive for said arrangement |
| 03/31/2004 | EP1402310A1 Apparatus for supplying power and liquid crystal display having the same |
| 03/31/2004 | CN2609273Y Temp. closed-loop program controlled IF power supply |
| 03/31/2004 | CN2609242Y Electronic variable-voltage switch |
| 03/30/2004 | US6713974 Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise |
| 03/30/2004 | US6713887 Inverter controlled generator set |
| 03/25/2004 | US20040056661 Phase current detector |
| 03/25/2004 | DE10241036A1 Ladeschaltung für einen Umrichter Charging circuit for a power converter |
| 03/24/2004 | EP1401090A1 Polarity inversion circuit for pulsating DC power supply |
| 03/23/2004 | US6711038 Method for controlling bi-directional switches in matrix converters |
| 03/18/2004 | US20040052099 Resonant converter |
| 03/17/2004 | EP1398867A1 Device for maintaining the voltage of an electric AC grid and method of operating the device |
| 03/17/2004 | EP1397942A1 High efficiency high power factor electronic ballast |
| 03/11/2004 | US20040046516 Load control device |
| 03/11/2004 | US20040046460 Apparatus for the voltage maintenance of an electrical AC voltage supply network and method for operating such an apparatus |
| 03/11/2004 | DE10016999B4 Verfahren und Schaltungsanordnung zum Anschalten einer reaktiven Last an eine Wechselstromquelle Method and circuit arrangement for connecting a reactive load to the AC power source |
| 03/10/2004 | EP1396927A1 Inverter control method and its device |
| 03/10/2004 | EP1396925A2 Charging circuit for a converter |
| 03/10/2004 | EP1396071A2 Switching converter |
| 03/10/2004 | EP1395487A1 Marine propulsion system with reduced on-board network distortion factor |
| 03/10/2004 | CN1481067A Method of mid point balance of voltage utilized in frequency converter in three levels based on charge balance |
| 03/10/2004 | CN1141780C Three-stage dc-to-ac inverter |
| 03/09/2004 | US6704215 Method for controlling a matrix converter |
| 03/09/2004 | US6704182 Method for protection of a matrix converter against overvoltages, and an active overvoltage device |
| 03/09/2004 | US6703818 AC to AC power converter for electronic devices having substantially different output voltage/current characteristics |
| 03/04/2004 | WO2004019466A1 Power supply system |
| 03/04/2004 | WO2003030341A9 Induction generator power supply |
| 03/04/2004 | WO2003005547A3 Odd harmonics reduction of phase angle controlled loads |
| 03/04/2004 | DE10237983A1 Vorrichtung zur Leistungssteuerung durch Phasenanschnitt und Verfahren zur Verringerung von Oberwellen An apparatus for power control by phase gating and method for reducing harmonics |
| 03/04/2004 | DE10237553A1 Regulating intermediate circuit voltage in intermediate circuit voltage inverter involves regulating all sub-inverters with common regulator, feeding back intermediate circuit voltage or mean value |
| 03/03/2004 | EP1394920A1 Compensation of reactive power via a frequency converter |
| 03/03/2004 | EP0948878B1 Parallel-storage series-drive electronic ballast |
| 03/03/2004 | CN1479966A System of automatically influencing electric net and motor drive for said system |
| 03/03/2004 | CN1140957C AC voltage regulator |
| 03/02/2004 | US6700802 Bi-directional power supply circuit |
| 03/02/2004 | US6700333 Two-wire appliance power controller |
| 03/02/2004 | US6700214 Mobile power generation system |
| 03/02/2004 | CA2140065C Solid state motor speed control |
| 02/26/2004 | WO2004017506A1 Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control |
| 02/26/2004 | WO2004017504A1 Device for controlling power by phase control, and method for reducing harmonic waves |
| 02/26/2004 | WO2003067929A3 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer |
| 02/26/2004 | US20040037101 Cutting electric power converter |
| 02/26/2004 | US20040036361 Power supply method of a line interactive ups and the line interactive ups |
| 02/25/2004 | EP1389946A2 Transformer-isolated alternating current power supply |
| 02/25/2004 | CN1478319A Phase current detector |
| 02/25/2004 | CN1477777A Utitiztion of frequency converter to make high-power A.C. power supply |
| 02/25/2004 | CN1477776A Method for reducing three-level frequency converter swithcing loss |
| 02/24/2004 | US6697268 Dc-Dc power supply |
| 02/24/2004 | US6696770 Induction heating or melting power supply utilizing a tuning capacitor |
| 02/20/2004 | CA2396741A1 Electromagnetic induction elevator |
| 02/19/2004 | WO2003067745A3 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source |
| 02/19/2004 | US20040032127 Power system having generator driven by engine |
| 02/18/2004 | CN2604022Y Single-phase step frequency-converter |
| 02/18/2004 | CN2604021Y Electronic automatic voltage regulator |
| 02/18/2004 | CN1476665A Method for controlling matrix converter |
| 02/18/2004 | CN1476664A Method for controlling matrix converter |
| 02/18/2004 | CN1476663A Method for controlling matrix converter |
| 02/18/2004 | CN1139178C Circuit and method for reducing current extracted during motor starting |
| 02/17/2004 | US6693813 Device for quasi-direct pulse-width controlled energy conversion between three-phase system |
| 02/12/2004 | WO2003090331A3 Power supply with a direct converter |
| 02/12/2004 | US20040027843 Method for controlling a matrix converter |
| 02/12/2004 | US20040027839 Power converter system |
| 02/12/2004 | US20040027005 Method and pulse-control circuit for a power component |
| 02/11/2004 | EP1388202A1 An apparatus and a method for voltage conversion |
| 02/11/2004 | EP1388199A1 Active common mode filter connected in a-c line |
| 02/11/2004 | CN2603571Y Explosio-proof frequency transformer |
| 02/11/2004 | CN1138332C Power conversion apparatus and air conditioner using same |
| 02/10/2004 | US6690594 Electrical power conservation apparatus and method |
| 02/10/2004 | US6690592 Inverter with a self-commutated pulse converter on the line side and the load side |
| 02/10/2004 | US6690588 Direct conversion programmable power source controller: three-phase input with programmable single-phase output |
| 02/10/2004 | US6690587 Apparatus and method of suppressing low speed ripple current of a single-phase inverter |
| 02/10/2004 | US6690230 Active common mode filter connected in A-C line |
| 02/05/2004 | WO2004012326A1 Global closed loop control system with dv/dt control and emi/switching loss reduction |
| 02/05/2004 | WO2004012325A1 Power module for ac/ac power conversion |
| 02/05/2004 | US20040022081 Variable-speed wind power system with improved energy capture via multilevel conversion |
| 02/05/2004 | US20040021451 Power supply for electric arc welding |
| 02/05/2004 | DE10329064A1 Hoher-Leistungsfaktor-Umformersystem und -Verfahren High power factor converter system and method |
| 02/04/2004 | CN1472997A Optical tuning device and optical tuning system for camera taking room and theater |
| 02/03/2004 | US6686718 Control loop and method for variable speed drive ride-through capability improvement |
| 01/29/2004 | US20040017689 Cross current control for power converter systems and integrated magnetic choke assembly |
| 01/29/2004 | DE10228825A1 Schaltungsanordnung mit einem Spannungszwischenkreisumrichter Circuit with a voltage source |
| 01/28/2004 | EP1385259A2 A system for high power drives |
| 01/28/2004 | EP1385258A1 Interface for supplying a load from a power distribution network |
| 01/28/2004 | CN2601481Y Non-isolating double power mains circuit |
| 01/28/2004 | CN2601480Y Separated load series power supply circuit |
| 01/27/2004 | US6683393 MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
| 01/20/2004 | US6681190 Method and system of harmonic regulation |