| 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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| 08/28/2008 | WO2008103491A1 Power supply for a load control device |
| 08/28/2008 | WO2008031587A3 Drive energy supply in rail vehicles |
| 08/28/2008 | US20080205097 Method and arrangement in connection with inverter |
| 08/28/2008 | US20080205094 Power Supply Unit for the Motor of a Magnetic Levitation Railway System |
| 08/28/2008 | US20080205093 Apparatus for Electrical Power Transmission |
| 08/28/2008 | US20080203978 Frequency converter for a double-fed asynchronous generator with variable power output and method for its operation |
| 08/28/2008 | DE102007009217A1 Method for program-controlled operation of frequency inverter, involves supplying one or more direct current voltages to circuit arrangement, which generates output voltage defined by control signal curve |
| 08/28/2008 | DE102007007921A1 Frequency converter, has switching part connected parallel to circuit capacitor for protecting against over voltages, where switching part has Ohmic, capacitive and complex voltage divider |
| 08/28/2008 | DE102007007920A1 Inverter has rectifier for producing unipolar intermediate circuit voltage from three-phase main voltage, where intermediate circuit capacitor is parallel switched auxiliary intermediate circuit |
| 08/27/2008 | EP1961278A1 A universal dimmer |
| 08/27/2008 | EP1961109A2 Control and protection methodologies for a motor control module |
| 08/27/2008 | EP1961104A1 Converter system comprising converter modules that can be plugged together |
| 08/27/2008 | EP1112196B1 Method for controlling a power drive system |
| 08/27/2008 | CN201107679Y Micro computer controlled domestic electricity saving means |
| 08/27/2008 | CN201106533Y Tower barrel structure of wind generator set installed with enclosed busbar |
| 08/27/2008 | CN101253676A Variable-frequency drive with regeneration capability |
| 08/27/2008 | CN101253675A Converter circuit comprising distributed energy stores |
| 08/27/2008 | CN101253591A Load detector for an AC-AC power supply |
| 08/27/2008 | CN101252321A Frequency converter for a double-fed asynchronous generator with variable power output and method for its operation |
| 08/27/2008 | CN101251562A Energy feeding type electrical energy mass perturbance generating device |
| 08/27/2008 | CN101249806A Modular energy feedback type traction power set and control method |
| 08/27/2008 | CN100414827C Adjccstable AC stable voltage stable current power supply |
| 08/21/2008 | WO2008099049A1 Apparatus and method for controlling the motor power |
| 08/21/2008 | WO2007143217A3 Ride-through method and system for hvac&r chillers |
| 08/21/2008 | US20080197819 Method and apparatus for electronic power control |
| 08/21/2008 | DE19962665B4 Stromversorgung für Elektrofilter Power supply for electrostatic precipitators |
| 08/21/2008 | DE102007007287A1 Electrical power supply unit for three-phase welding assembly has has three mains power input chokes and output capacitors |
| 08/20/2008 | EP1794874A4 Bipolar power supply with lossless snubber |
| 08/20/2008 | EP1423908A4 Electrical power conservation apparatus and method |
| 08/20/2008 | CN101247091A Linear electric power with low output ripple voltage |
| 08/20/2008 | CN101247052A Electric power for AC-DC-AC station used for electrified railroad |
| 08/20/2008 | CN101246425A Double-CPU frequency convertor system and operation method thereof |
| 08/20/2008 | CN100413198C Non-master transformer type laser pulse power supply and operating method thereof |
| 08/20/2008 | CN100413197C Multi-level circuit device no need to balance capacity and voltage |
| 08/19/2008 | US7414870 Inverter |
| 08/14/2008 | WO2008097749A2 Variable speed drive with integral bypass contactor |
| 08/14/2008 | US20080192522 Prism-Type Electrical Converter For The Generation, Transmission, Distribution And Suppy Of Electric Current, And Production Method Thereof |
| 08/13/2008 | EP1361639B1 Power system having generator driven by engine |
| 08/13/2008 | CN101242146A Secure and efficient low-energy consumption switch power circuit |
| 08/13/2008 | CN101242136A Voltage source frequency converter bridge arm direct pass protector for three level integrated gate pole conversion transistor |
| 08/13/2008 | CN101242100A Fixed current power output control system |
| 08/13/2008 | CN101239255A Inversion type crude oil dehydration electric power |
| 08/13/2008 | CN100411291C Power source unit |
| 08/07/2008 | WO2008024929B1 Switch mode power converter having multiple inductor windings equipped with snubber circuits |
| 08/07/2008 | US20080186744 Method and Device for Transforming and Regulating a Voltage Signal |
| 08/06/2008 | EP1953907A1 Systems and methods for improved motor drive power factor control |
| 08/06/2008 | EP1952521A2 Double universal dimmer |
| 08/06/2008 | CN201096392Y Power factor compensation -type air conditioner integrated energy conservation equipment |
| 08/06/2008 | CN101237218A High frequency application technology of low frequency semiconductor device |
| 08/06/2008 | CN101237192A Commutation reverse cascaded transducer |
| 08/06/2008 | CN101237191A 交流到交流变流器 AC-to-AC converter |
| 08/06/2008 | CN101237183A High frequency switch type power supply device |
| 08/06/2008 | CN101237174A Common armature asynchronous electric permanent magnetic frequency increase power machine |
| 08/06/2008 | CN100409135C Stabilivolt circuit |
| 08/05/2008 | US7408791 Frequency converter assembly and method of using frequency converter assembly |
| 08/05/2008 | US7408320 Apparatus for power control by phase gating and a method for harmonic reduction |
| 07/31/2008 | WO2008092154A2 System and method to extend synchronous operation of an active converter in a variable speed drive |
| 07/31/2008 | WO2008092152A2 Common mode and differential mode filter for variable speed drive |
| 07/31/2008 | WO2008091907A2 Ac to dc power converter for aerospace applications |
| 07/31/2008 | US20080180164 Active filter for reduction of common mode current |
| 07/30/2008 | CN101232256A Three-phase rectification bridge external three switch equation direct current power controller |
| 07/30/2008 | CN101232255A Single-phase rectification bridge external two switch equation direct current power controller |
| 07/30/2008 | CN101232254A Power transformer |
| 07/30/2008 | CN101232253A Double in series high voltage frequency conversion device |
| 07/30/2008 | CN101232252A Switch power circuit of frequency converter |
| 07/30/2008 | CN101232251A Single phase four switch equation alternating current electric power controller |
| 07/30/2008 | CN101232250A Three-phase six switch equation alternating current electric power controller |
| 07/30/2008 | CN101232190A Multifunctional power supply adapter |
| 07/29/2008 | US7405911 Circuit arrangement with a voltage link converter |
| 07/29/2008 | US7405528 Global closed loop control system with DV/DT control and EMI/switching loss reduction |
| 07/29/2008 | CA2232562C Electrical power distribution and communication system for an underwater cable |
| 07/24/2008 | WO2008086676A1 A plasma power supply for a low-temperature plasma hydrogen peroxide disinfecting and sterilizing apparatus |
| 07/24/2008 | DE102007003043A1 Transformationsvorrichtung Transformer |
| 07/23/2008 | EP1947545A2 Power supply circuit for changing loads with three phases |
| 07/23/2008 | EP1946436A1 Power converters |
| 07/23/2008 | EP1946197A1 Improved power regulator automatically setting forward or reverse phase control depending on the type of load |
| 07/23/2008 | CN101227153A Seven power level high voltage frequency converter |
| 07/23/2008 | CN101227152A High-capacity square wave impact current generator |
| 07/23/2008 | CN101227151A Gemini isopropyl stream vibration system |
| 07/23/2008 | CN101227140A Plasma power supply for low temperature plasma hydrogen peroxide disinfection sterilizing device |
| 07/23/2008 | CN100405731C Frequency change power for high-voltage testing |
| 07/23/2008 | CN100405730C Self-balanced electronic power transformer |
| 07/23/2008 | CN100405729C Power supply with surge voltage control functions |
| 07/23/2008 | CN100405727C PWM combined three level DC converter for zero voltage current switch |
| 07/23/2008 | CN100405715C Double pulse width modulation controller for back to back structure voltage type current changing device |
| 07/23/2008 | CN100405714C System and method of detecting phase body diode using a comparator in a synchronous rectified fet driver |
| 07/22/2008 | US7403403 Noise suppressor |
| 07/22/2008 | CA2405812C A power load-leveling system and packet electrical storage |
| 07/17/2008 | WO2008083496A1 Power converter with snubber |
| 07/17/2008 | WO2007077372A3 Method for controlling a polyphase voltage inverter |
| 07/17/2008 | WO2007074267A3 Polyphase voltage converter control method |
| 07/17/2008 | DE102007002874A1 Converter architecture for low loss adjustment of double galvanically not separated voltages, has input stage and output stage formed from multiple transistor half bridges and inductances |
| 07/16/2008 | CN201087940Y AC-DC-AC inverter of composite electric power electronic component |
| 07/16/2008 | CN101222185A Convertor assembly used for timing wind generator set |
| 07/16/2008 | CN101222184A High power factor direct-current power supply circuit |
| 07/16/2008 | CN101222183A High-frequency current source energy supplying system |
| 07/16/2008 | CN100403642C Power converter |
| 07/15/2008 | US7400116 Pre-charging system for smoothing capacitor |
| 07/15/2008 | US7398667 Die cushion drive system |
| 07/10/2008 | WO2008081049A1 Asynchronous generator with control of the voltage applied to the stator |