| 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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| 04/10/2013 | CN202872653U Parallel type high-power combination frequency converter |
| 04/10/2013 | CN202872652U Series high-power combination frequency converter |
| 04/10/2013 | CN202872651U Hybrid high-power combination frequency converter |
| 04/10/2013 | CN202872650U H-bridge-based high-voltage stabilized power supply |
| 04/10/2013 | CN202872649U General modularized frequency converter |
| 04/10/2013 | CN202872648U Filter decoupling anti-interference electric power secondary system |
| 04/10/2013 | CN202872647U Capacitor clamped hybrid cascade bridge type frequency converter |
| 04/10/2013 | CN202872646U Thyristor MTX voltage regulating device and energy-saving control device comprising same |
| 04/10/2013 | CN202872645U Electricity-saving protecting unit and electricity-saving protecting unit power distribution box |
| 04/10/2013 | CN202872644U 35 kilovolt buck converter with function of grading compensation automatic voltage regulating |
| 04/10/2013 | CN202863182U Energy feedback type traction power supply device based on series compensation transformer |
| 04/10/2013 | CN103038993A AC conversion circuit, AC conversion method, and recording medium |
| 04/10/2013 | CN103036456A Phase shift transformer in multi-level medium voltage inverter |
| 04/10/2013 | CN103036451A Electronic power transformer |
| 04/10/2013 | CN103036450A Access control system power supply |
| 04/10/2013 | CN103036449A Four-quadrant three-level power unit and high-voltage inverter |
| 04/10/2013 | CN103036448A Active switching frequency modulation |
| 04/10/2013 | CN103036447A Maximum power adjustable switching power supply |
| 04/10/2013 | CN103036446A Soft starting device and method for high-power transformer |
| 04/10/2013 | CN103036445A Three-phase vertical and horizontal power transformation technology |
| 04/10/2013 | CN103036444A Voltage regulator circuit |
| 04/10/2013 | CN103036443A Active multichannel isolated output power supply |
| 04/10/2013 | CN103036442A Reliable frequency converter |
| 04/10/2013 | CN103036322A Wireless energy transfer system |
| 04/10/2013 | CN103035672A Compound semiconductor device and method of manufacturing the same |
| 04/10/2013 | CN103035670A Compound semiconductor device and method of manufacturing the same |
| 04/10/2013 | CN103034100A Power supply control apparatus, image forming apparatus, and power supply control method |
| 04/10/2013 | CN102064714B Doubly-fed wind power frequency converter |
| 04/10/2013 | CN102007678B Converter control method |
| 04/10/2013 | CN101335491B Cross current control for power converter system |
| 04/09/2013 | US8416220 Semiconductor device |
| 04/04/2013 | WO2013047236A1 Power converter control method |
| 04/04/2013 | WO2013014334A3 Electricity supply device and elevator system |
| 04/04/2013 | WO2011064277A3 Failure tolerant power electronic converter system |
| 04/04/2013 | US20130083570 Semiconductor device and method of manufacturing the same |
| 04/04/2013 | US20130083569 Manufacturing method of compound semiconductor device |
| 04/04/2013 | US20130083568 Compound semiconductor device and manufacturing method therefor |
| 04/04/2013 | US20130083567 Compound semiconductor device and method for fabricating the same |
| 04/03/2013 | EP2575249A2 Phase shift transformer in multi-level medium voltage inverter |
| 04/03/2013 | CN202857038U Apparatus for driving LED light source by AC output |
| 04/03/2013 | CN202856638U Self-equipped control power supply for electric appliance electromagnetic system |
| 04/03/2013 | CN202856631U Voltage-adjustable frequency-adjustable inverter power supply |
| 04/03/2013 | CN202856630U IGBT clamped three-level frequency converter |
| 04/03/2013 | CN202856629U Locomotive converter |
| 04/03/2013 | CN202856628U Frequency converter automatically adjusting motor current |
| 04/03/2013 | CN202856627U Variable-frequency power supply preventing leakage protector from malfunctioning |
| 04/03/2013 | CN202856626U Power unit of large-capacity and high-voltage frequency conversion device |
| 04/03/2013 | CN202856625U Power supply |
| 04/03/2013 | CN202856624U Power supply with capability of intelligent output adjustment |
| 04/03/2013 | CN103025035A Resonance capacitor adjusting element and current preheating type electronic ballast applicable to same |
| 04/03/2013 | CN103023347A Novel on-load-tap-changing combined rectifier auto-transformer with independent ends |
| 04/03/2013 | CN103023345A Multivoltage level output variable-frequency power source and control method thereof |
| 04/03/2013 | CN103023344A Universal smart grid power electronic device |
| 04/03/2013 | CN103023343A Three-phase 24-pulse traction rectifier transformer |
| 04/03/2013 | CN103023342A High-stabilized power source suitable for electromagnetic compatibility test |
| 04/03/2013 | CN103023341A State space modulation method for matrix converter by adopting amplitude coefficient |
| 04/03/2013 | CN103022122A Compound semiconductor device and method of manufacturing the same |
| 04/03/2013 | CN103022117A Compound semiconductor device and method of manufacturing the same |
| 04/03/2013 | CN103022105A Semiconductor device and method for manufacturing semiconductor device |
| 04/03/2013 | CN103011553A Control method for electric melting furnace based on phase-locking controller |
| 04/03/2013 | CN102185487B Mixed cascading type multilevel stored energy charging-discharging and voltage-equalizing circuit |
| 04/03/2013 | CN102136737B Doubly-fed wind power converter low-voltage traversing topological structure and control method thereof |
| 04/03/2013 | CN102055345B Frequency converter for digital generator set |
| 04/03/2013 | CN101976965B Direct-current tracing control high-power photovoltaic grid-connected inverter |
| 04/03/2013 | CN101814841B Synchronizing an inverter with an alternating voltage source |
| 04/03/2013 | CN101288219B Load resonant type power supply for ozonizer |
| 04/02/2013 | US8411473 Three-phase power supply with three-phase three-level DC/DC converter |
| 04/02/2013 | CA2672824C Inverter generator |
| 03/28/2013 | WO2013042266A1 Electric apparatus |
| 03/28/2013 | WO2013041737A1 Electric power converter system with parallel units and fault tolerance |
| 03/28/2013 | US20130076152 3-phase high power ups |
| 03/28/2013 | US20130076141 Unintteruptible power supply systems and methods employing on-demand energy storage |
| 03/28/2013 | DE102012215002A1 Systeme und Verfahren zum Entladen einer Busspannung unter Verwendung von Halbleitereinrichtungen Systems and methods for unloading of a bus voltage using semiconductor devices |
| 03/28/2013 | CA2849077A1 A multi-voltage power supply for a universal airplane ground support equipment cart |
| 03/27/2013 | CN202840989U Power supply circuit |
| 03/27/2013 | CN202840971U Scanning power supply for generating exciting current |
| 03/27/2013 | CN202840970U Single-phase rear-edge chopped-wave voltage regulator |
| 03/27/2013 | CN202840969U Medical power supply isolating system |
| 03/27/2013 | CN103001581A Parallel inverter drive system and circulating current restraining device and method therefor |
| 03/27/2013 | CN103001573A Medium-voltage frequency-conversion driving system |
| 03/27/2013 | CN103001510A Power-frequency linear power source prestabilizing control circuit |
| 03/27/2013 | CN103001502A Resonance booster for new energy grid connection |
| 03/27/2013 | CN103001257A Permanent magnet wind driven generator with micro-power consumption |
| 03/27/2013 | CN103001187A Frequency inverter and method for detecting and blocking a fault current in a frequency inverter |
| 03/27/2013 | CN103000683A Compound semiconductor device and method of manufacutring the same |
| 03/27/2013 | CN101904083B 功率控制 Power control |
| 03/27/2013 | CN101862881B Gas-protective submerged-arc welding digitalized power supply system for dual ARM (Automated Route Management) control and control method thereof |
| 03/27/2013 | CN101770248B Intermittent power supply micropower standby control circuit |
| 03/27/2013 | CN101675580B Pulse width modulation control of a matrix converter |
| 03/26/2013 | US8406020 Power factor correction circuit |
| 03/26/2013 | US8405592 Driving apparatus, system and method thereof |
| 03/26/2013 | US8405327 Passive converter for drive device of switched reluctance motor |
| 03/21/2013 | WO2013039415A1 Resonant transducer |
| 03/21/2013 | WO2013039404A1 Device for stable subsea electric power transmission to run subsea high speed motors or other subsea loads |
| 03/21/2013 | WO2013037400A1 M2lc system with dual mode operation for energy transfer and reactive power compensation |
| 03/21/2013 | US20130070501 Method of reducing common mode current |
| 03/21/2013 | US20130070491 Interface arrangement between ac and dc systems including filter at transformer neutral point |
| 03/21/2013 | US20130070489 Converting device of electrical energy |
| 03/21/2013 | US20130069605 Power Transfer Devices, Methods, and Systems with Crowbar Switch Shunting Energy-Transfer Reactance |
| 03/21/2013 | CA2846208A1 Device for stable subsea electric power transmission to run subsea high speed motors or other subsea loads |