| 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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| 02/19/2013 | US8379423 Power factor correction circuit and driving method thereof |
| 02/19/2013 | US8379422 Circuit arrangement comprising a voltage transformer and associated method |
| 02/19/2013 | US8379421 Power factor correction converter with parallel-connected converter sections |
| 02/19/2013 | US8379417 Power converter and integrated DC choke therefor |
| 02/16/2013 | CA2785367A1 Voltage-modifying device for electric meter |
| 02/14/2013 | WO2013020998A2 Direct electrical heating arrangement comprising a power electronic converter |
| 02/14/2013 | WO2013020544A1 Method and circuit for the multi-phase operation of an electric motor |
| 02/14/2013 | DE102011109773A1 Verfahren und Schaltung für den mehrphasigen Betrieb eines Elektromotors Method and circuit for the multi-phase operation of an electric motor |
| 02/14/2013 | DE102011052568A1 Device for controlling drive motor of air conditioning compressor for mobile air conditioning apparatus, has inverter for inverting direct current voltage, and input that is approximate equal to power output, where output is not constant |
| 02/14/2013 | CA2844399A1 Direct electrical heating arrangement comprising a power electronic converter |
| 02/13/2013 | EP2557679A2 Method and system for controlling hydroelectric turbines |
| 02/13/2013 | EP2557677A1 Ac-dc converter device |
| 02/13/2013 | EP2557675A1 Direct electrical heating arrangement comprising a transformer and an indirect voltage link a.c. converter |
| 02/13/2013 | EP2556588A1 Adjustment device and an electric drive of an elevator |
| 02/13/2013 | CN202737754U Power supply apparatus for partial discharge test |
| 02/13/2013 | CN202737753U Portable wide voltage TK device control box |
| 02/13/2013 | CN202737752U High voltage frequency converter and high voltage frequency converter system |
| 02/13/2013 | CN202737751U Frequency-converting power supply |
| 02/13/2013 | CN1949645B 能量回馈功率单元 Regenerative power unit |
| 02/13/2013 | CN102934343A Shaft-driven generator system |
| 02/13/2013 | CN102931862A Direct-current/alternating-current conversion system and direct-current/alternating-current conversion circuit |
| 02/13/2013 | CN102931854A Cascaded high-voltage inverter |
| 02/13/2013 | CN102931853A LC-compensation-based buck type three-phase-single-phase matrix converter |
| 02/13/2013 | CN102931852A Power transducer |
| 02/13/2013 | CN102931851A Three-phase-to-five-phase double-stage matrix converter based on Z source |
| 02/13/2013 | CN102931850A Current type medium-frequency digital power supply based on Matrix converter and control method of current type medium-frequency digital power supply |
| 02/13/2013 | CN102931829A Power-factor correction circuit and power circuit |
| 02/13/2013 | CN102931701A Systems and methods for charging |
| 02/13/2013 | CN101682266B Power control of a transport system |
| 02/12/2013 | US8374005 Direct AC power converting apparatus |
| 02/09/2013 | CA2779888A1 Hybrid electric generator set |
| 02/07/2013 | US20130033906 Apparatus And Method For Providing An Alternating Current |
| 02/06/2013 | EP2555404A2 Power management for loads supplied with ac power from variable frequency generators |
| 02/06/2013 | EP2553799A2 Transformerless cycloconverter |
| 02/06/2013 | CN202721613U Heavy-oil electrothermal recovery heating power supply |
| 02/06/2013 | CN202721612U Intelligent frequency-conversion variable-voltage test power supply |
| 02/06/2013 | CN102918760A Power converter for a power generator |
| 02/06/2013 | CN102916590A One-phase-to-triphase economizer |
| 02/06/2013 | CN102916589A Voltage stabilization method for tin-plated soft-smelting high-power medium-frequency heating power supply |
| 02/06/2013 | CN101951168B Alternating current (AC) converter for converting high voltage to low voltage |
| 02/06/2013 | CN101856979B Electrified railway in-phase power supply device |
| 02/05/2013 | US8369113 Power conditioning unit |
| 02/05/2013 | US8368361 Switching power converter controller with direct current transformer sensing |
| 01/31/2013 | WO2013013850A2 Switch mode power supply and method for operating the switch mode power supply |
| 01/31/2013 | US20130027992 Method for inputting power and power input system |
| 01/31/2013 | US20130026834 Power conversion device |
| 01/31/2013 | DE102009004723B4 Netzteil Power Supply |
| 01/30/2013 | EP2552003A1 Switching power supply and method for operating a switching power supply being connected to a DC link |
| 01/30/2013 | EP2552002A1 Transformerless AC to DC power circuit with a voltage divider at its input |
| 01/30/2013 | EP2551862A1 Power supply assembly with means for increasing voltage |
| 01/30/2013 | CN202713168U Frequency converter used in elevator |
| 01/30/2013 | CN202713167U AC power supply |
| 01/30/2013 | CN202713166U Large-power four-quadrant converter and electric power transformation device |
| 01/30/2013 | CN202713165U Grid-connected inverter type distributed power system |
| 01/30/2013 | CN202713164U Thickened oil electric thermal recovery heating power supply with fault diagnosing and warning functions |
| 01/30/2013 | CN202713163U Double power supply system based on three-phase rectification |
| 01/30/2013 | CN202713162U Low-voltage large-current direct current power supply |
| 01/30/2013 | CN202713161U 转换器系统 Converter system |
| 01/30/2013 | CN202712938U High frequency chopping boost charging circuit |
| 01/30/2013 | CN102906344A Control device for hybrid construction machine |
| 01/30/2013 | CN102904458A Voltage sag generation device and control method and device for inverter |
| 01/30/2013 | CN102904457A High-frequency switch power supply and high-frequency current detecting method |
| 01/30/2013 | CN102904456A Power supply assembly with means for increasing voltage |
| 01/30/2013 | CN102904455A Energy feedback type high-pressure frequency converter device and control method thereof |
| 01/30/2013 | CN102170236B Power converter device and control method for the device |
| 01/30/2013 | CN102035402B Integrated gate-commutated thyristor (IGCT)-based hybrid cascaded H-bridge multi-level high-voltage inverter |
| 01/30/2013 | CN102005938B Control method of bridge arm in UPS (uninterruptible power supply) in case of zero-crossing operation |
| 01/29/2013 | US8363439 Efficiency improvement in power factor correction |
| 01/29/2013 | CA2783898A1 Power supply with means for increasing a voltage |
| 01/29/2013 | CA2565707C Low harmonics, polyphase converter circuit |
| 01/24/2013 | WO2013012418A1 Method and apparatus for multi-phase power transfer |
| 01/23/2013 | EP2549638A1 Power supply assembly for a reactor for polysilicon production with a frequency converter |
| 01/23/2013 | EP2549637A2 Apparatus and method for controlling medium voltage inverter |
| 01/23/2013 | EP2548286A2 Ac-to-dc conversion |
| 01/23/2013 | CN202696478U Voltage conversion device of high-voltage test station |
| 01/23/2013 | CN202696477U H-bridge cascading four-quadrant frequency converter on basis of self-shutdown device rectification/feedback power supply |
| 01/23/2013 | CN202696476U Servo circuit with recessive fault detection function |
| 01/23/2013 | CN202696475U Temperature adjustment system of intermediate-frequency power supply |
| 01/23/2013 | CN202696474U Digital energy saving power supply |
| 01/23/2013 | CN202696473U Energy storage power supply |
| 01/23/2013 | CN202695100U Structure of main transformer consisting of multiple transformers in inverse power supply |
| 01/23/2013 | CN202684282U Double rectifier bridge inversion manual arc welding machine |
| 01/23/2013 | CN102891616A Arrangement and a method for supplying electric power |
| 01/23/2013 | CN102891612A Current non-equalizing control method of converter multi-unit parallel system |
| 01/23/2013 | CN102891611A Five-level power converter, and control method and control device for five-level power converter |
| 01/23/2013 | CN102891610A Power supply assembly for a reactor for polysilicon production with a frequency converter |
| 01/23/2013 | CN102891501A Distributed control system of high-power current transformer |
| 01/23/2013 | CN102887082A Flexible traction power supply mode and device thereof for electrified railway |
| 01/23/2013 | CN102158104B Voltage and current regulator |
| 01/23/2013 | CN102082515B High frequency isolated AC-AC mode three-level AC-AC converter based on flyback converter |
| 01/23/2013 | CN102005934B Reconfigurable power inverter for direct drive type permanent-magnet synchronous generating system |
| 01/23/2013 | CN101932181B Cold cathode fluorescent energy-saving lamp circuit |
| 01/22/2013 | US8358522 Synchronous rectifier gate drive timing to compensate for transformer leakage inductance |
| 01/19/2013 | CA2783075A1 Power supply arrangement for a reactor for producing polysilicon with a frequency converter |
| 01/17/2013 | WO2013007783A2 Method for operating several loads in alternating current networks with leading edge or trailing edge phase cutting |
| 01/17/2013 | WO2013007749A1 Wind power station |
| 01/17/2013 | WO2011160642A3 Method for controlling a converter arrangement and a control device |
| 01/17/2013 | US20130016538 Ac/dc converter device |
| 01/17/2013 | US20130016537 Method for controlling a frequency converter and frequency converter |
| 01/17/2013 | US20130016536 Device and Method for Global Maximum Power Point Tracking |