| 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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| 10/06/2009 | US7599204 Control scheme providing a freewheeling period in a cyclo-converter and a high frequency inverter |
| 10/06/2009 | US7599200 Electric power converter |
| 10/06/2009 | US7598655 Piezoelectric transformer driving apparatus and piezoelectric transformer driving method |
| 10/01/2009 | WO2009119602A1 Power supply device, outdoor unit, and air conditioner |
| 10/01/2009 | US20090244935 Inverter apparatus with adaptable voltage-to-frequency control |
| 09/30/2009 | EP2106016A2 Power transducer |
| 09/30/2009 | EP2106015A2 Power supply device for electrically driven injection molding machine and electrically driven injection molding machine |
| 09/30/2009 | EP2104978A2 Transformer circuit for the frequency conversion of electric performance variables, method for actuating a transformer circuit and power generator |
| 09/30/2009 | EP1782527B1 Device for feeding auxiliary operating devices for a fuel electric vehicle |
| 09/30/2009 | EP1782526B1 Device for feeding auxiliary operating devices for a fuel electric vehicle |
| 09/30/2009 | CN101547546A Automatic power-variable remote dimming HID intelligent controller |
| 09/30/2009 | CN101546960A Power source apparatus and image forming apparatus |
| 09/30/2009 | CN101546896A Ice melting method and device used by same |
| 09/30/2009 | CN101546197A Remote wireless monitoring device integrated with control function of frequency converter |
| 09/30/2009 | CN100546159C Electric power unit of switch |
| 09/30/2009 | CN100546158C Electronic apparatus and control method |
| 09/29/2009 | US7596003 Electric power converter |
| 09/29/2009 | US7595613 Method and apparatus for electronic power control |
| 09/24/2009 | WO2009115018A1 Electric energy feedback device |
| 09/24/2009 | US20090237962 Multi level inverter |
| 09/24/2009 | US20090237961 Inverter |
| 09/24/2009 | DE112007002730T5 System für die Zufuhr elektrischer Leistung System for the supply of electrical power |
| 09/24/2009 | DE102008013706A1 Charging circuit for intermediate circuit capacitor in hybrid vehicle, has pre-charging circuit that is formed as current source and/or as semiconductor operated in linear range, where semiconductor components are provided in current source |
| 09/24/2009 | CA2718941A1 A power feedback device |
| 09/23/2009 | EP2104218A2 Converter with a plurality of indirect voltage link a.c. converter units |
| 09/23/2009 | EP2104217A2 Motor controller |
| 09/23/2009 | EP2104117A1 A reactor arrangement |
| 09/23/2009 | EP2104115A1 A reactor arrangement for alternating electrical current |
| 09/23/2009 | EP2102975A1 Power converter with snubber |
| 09/23/2009 | CN201315549Y Three logic sine pulse width modulation rectifier |
| 09/23/2009 | CN201315548Y A high power ship shore power supply |
| 09/23/2009 | CN201315547Y Mine-used intrinsic safety-type motor protector |
| 09/23/2009 | CN201315546Y Power circuit for power transformer |
| 09/23/2009 | CN101542885A Redundant current valve control in a high voltage power transmission system |
| 09/23/2009 | CN101541128A Electronic ballasting method of gas discharge lamp and ballast thereof |
| 09/23/2009 | CN101540580A Electric energy feedback device |
| 09/23/2009 | CN101540557A Dewatering power supply for rectangular-wave alternating-current crude oil |
| 09/23/2009 | CN101540556A Converter with a plurality of indirect voltage link a.c. converter units |
| 09/23/2009 | CN101540545A Non-contact electric energy transmission system based on single-phase matrix convertor |
| 09/17/2009 | WO2009057866A3 Method for controlling motor of air conditioner and motor controller of the same |
| 09/17/2009 | WO2009051320A3 Motor controller of air conditioner and method of the motor controller |
| 09/16/2009 | CN101534063A Cascade connection polyphase converter |
| 09/16/2009 | CN101534062A Improved dual voltage control method and device thereof for matrix converters |
| 09/11/2009 | WO2009109957A1 Electronic ac power controller |
| 09/11/2009 | WO2009109453A1 Device for connecting a single-phase power supply line to a three-phase power supply network |
| 09/10/2009 | US20090225570 Twelve-pulse HVDC Transmission |
| 09/09/2009 | EP2099116A2 Motor driver provided with converter circuit |
| 09/09/2009 | EP1262008B1 Ac power generating system |
| 09/09/2009 | CN201307830Y Frequency conversion circuit |
| 09/09/2009 | CN201307829Y Controlled silicon voltage regulation electrolyzed power supply |
| 09/09/2009 | CN201307828Y Power source for alternative-current steel grating press welding device adopting phase control technology |
| 09/09/2009 | CN101527518A Frequency converter device with high-resolution variable voltage/frequency control |
| 09/09/2009 | CN101527517A Twin-stage type matrix converter with direct-current excitation regulation and voltage frequency transformation |
| 09/09/2009 | CN101527516A Voltage varying-regulating circuit, voltage varying-regulating set and intelligent electricity-saving device |
| 09/09/2009 | CN101527515A Method and preassembling equipment for transporting bulky equipment of wind generator facility |
| 09/09/2009 | CN101527501A Power conversion units connected in parallel |
| 09/08/2009 | US7586769 Power converters having balanced power rail currents |
| 09/08/2009 | US7586763 Electric power converter circuit |
| 09/03/2009 | WO2009106673A1 Power supply arrangement |
| 09/03/2009 | US20090219696 Power conversion device and fabricating method for the same |
| 09/03/2009 | US20090218976 Motor driving apparatus |
| 09/02/2009 | EP2096747A2 Motor driving apparatus |
| 09/02/2009 | EP2095496A1 Active brake unit |
| 09/02/2009 | CN201303291Y Light-control electronic transformer |
| 09/02/2009 | CN101521471A Novel method for equalizing voltage of series transformers, and application thereof |
| 09/02/2009 | CN101521468A High-frequency three-phase medium-voltage power supply rectifier |
| 09/02/2009 | CN101521467A High-frequency distribution transformer |
| 09/02/2009 | CN101521466A Safe and high-efficiency switch power supply circuit and device |
| 09/02/2009 | CN101521465A Direct AC-AC power electronic power converter and control method thereof |
| 09/02/2009 | CN101521457A Multi-state switch and converter using the multi-state switch |
| 09/02/2009 | CN100536305C Control method for matrix transforming machine and its device |
| 09/02/2009 | CN100536304C Variable time constant-temperature AC voltage/current transformation power supply |
| 09/01/2009 | US7583136 Active filter for reduction of common mode current |
| 08/27/2009 | WO2009105437A2 Power supply system with adaptive blown fuse detection using negative sequence component |
| 08/27/2009 | DE102008009279A1 Single-phase or multi-phase electrical circuit for switching off current over e.g. alternating current power controller in wind power plant, has series circuit, which is parallely connected to thyristors |
| 08/27/2009 | DE102008009278A1 Mehrphasige elektrische Schaltung zum Abschalten eines über jeweils einen Drehstromsteller geführten Stroms Multiphase electric circuit to cut off a run on each plate a three-phase current |
| 08/27/2009 | CA2716157A1 Wind energy plant having converter control |
| 08/27/2009 | CA2715996A1 Wind energy plant having a double-energized asynchronous generator and converter control |
| 08/26/2009 | EP2094065A1 Method for controlling a beam of light from dimmed bulbs and switching arrangement for this |
| 08/26/2009 | EP2093872A1 Speed controller including a device for protection against overcurrents and overvoltages |
| 08/26/2009 | EP2093871A1 Device for protecting a speed controller against overcurrent |
| 08/26/2009 | EP2093870A1 Protection device for a variable speed drive including a filter choke |
| 08/26/2009 | EP2093869A1 Frequency inverter and method for operating same |
| 08/26/2009 | EP1751863B1 Power switching apparatus |
| 08/26/2009 | CN201298813Y Switching power circuit of special type sewing machine |
| 08/26/2009 | CN201298812Y An AC power supply controlling device with a controllable output period |
| 08/26/2009 | CN201298753Y 10kv carrier coupling power module |
| 08/26/2009 | CN101515758A Device for protecting a speed controller against overcurrent |
| 08/26/2009 | CN100533946C Charge and discharge control device |
| 08/26/2009 | CN100533939C Apparatus for power conversion in electric rolling stock |
| 08/26/2009 | CN100533166C Current converter test circuit |
| 08/25/2009 | US7580272 Power source apparatus |
| 08/20/2009 | WO2009061219A3 Power control |
| 08/20/2009 | DE102008026621A1 Single or multi-phase electrical circuit for switching current produced via alternating current or three-phase power controller, has controller with valves designed as disconnectable valves, where device is connected parallel to valves |
| 08/19/2009 | EP2091140A2 Multi-phase electrical switch for switching off electricity fed through one three-phase current controller |
| 08/19/2009 | EP1759448B1 Method for determining the chance of a disturbance-free operation of a frequency converter |
| 08/19/2009 | CN201294653Y High-voltage power supply |
| 08/19/2009 | CN201294481Y Converter for dual-feedback wind generating set |
| 08/19/2009 | CN201294457Y Test power supply of variable frequency motor |
| 08/19/2009 | CN201294449Y B core body for high-power switch power supply |