| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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| 05/20/2009 | CN101436823A Control method and control equipment capable of improving communication power supply AC electric network adaptability |
| 05/20/2009 | CN101436822A Soft startup protection detection device and method for frequency changer |
| 05/20/2009 | CN101436821A PWM/PDM double-mode modulation selective circuit and double-mode modulation method |
| 05/20/2009 | CN101436820A Method for implementing variable current-voltage characteristic of switch power supply |
| 05/20/2009 | CN101436819A Power electronics devices with integrated gate drive circuitry |
| 05/20/2009 | CN101436818A Semiconductor cooling device |
| 05/20/2009 | CN100490297C Electric-power converter |
| 05/20/2009 | CN100490295C Inverter and inverter driving method for enabling soft start of a load |
| 05/20/2009 | CN100490293C Power conversion apparatus |
| 05/20/2009 | CN100490289C Non-isolation type AC-AC tri-level converter |
| 05/20/2009 | CN100490284C Power factor improving converter and control method thereof |
| 05/19/2009 | US7535741 Semiconductor device |
| 05/19/2009 | US7535130 Method and apparatus for mode selection for high voltage integrated circuits |
| 05/19/2009 | US7535125 Single-phase filter for reducing harmonics |
| 05/14/2009 | WO2009060806A2 Controller for power converter circuit |
| 05/14/2009 | WO2009060079A1 Voltage pulse train generator, application to the control of an ultrasound piezoelectric injector |
| 05/14/2009 | WO2009059527A1 A generating device of reference electrical source and a voltage output control device of electrical source |
| 05/14/2009 | US20090122580 Thyristor power control circuit |
| 05/14/2009 | DE102008051959A1 Vorrichtung und Verfahren zur Verringerung der Resonanz in Systemen mit mehreren Invertern An apparatus and method for reducing resonance in systems with multiple inverters |
| 05/14/2009 | DE102007046980A1 Electrical consumer i.e. electric motor, has modulation circuit galvanically connected with earth and comprising modulation unit for modulation of current discharged over capacitive connection |
| 05/13/2009 | EP2057866A1 Method and apparatus for ripple compensation of light-emitting elements |
| 05/13/2009 | EP2057733A1 Electric circuit |
| 05/13/2009 | EP1371127A4 Lossless switching dc-to-dc converter |
| 05/13/2009 | CN201238406Y Intelligent control apparatus of high-power energy-saving electromagnetic range |
| 05/13/2009 | CN201238287Y Controllable random-dithering oscillator circuit |
| 05/13/2009 | CN201238281Y Integration type optoelectronic controlled silicon coupler |
| 05/13/2009 | CN201238263Y Wave filter of inverter |
| 05/13/2009 | CN201238262Y Universal electricity-saving protection controller |
| 05/13/2009 | CN201238261Y Universal electricity-saving protection controller |
| 05/13/2009 | CN201238260Y Built-in AC/DC conversion power supply of membrane separation oxygen generator |
| 05/13/2009 | CN201238259Y Voltage conversion apparatus adhered to power supply of notebook computer |
| 05/13/2009 | CN201238258Y Frequency convertor of motor |
| 05/13/2009 | CN201238257Y Modularized cabinet body of wind power generation current transformer |
| 05/13/2009 | CN201237244Y Intelligent high-energy igniting means |
| 05/13/2009 | CN101432957A Power converting apparatus |
| 05/13/2009 | CN101431302A Parallel connection electric power regulating system with cyclic current wave filter |
| 05/13/2009 | CN101431293A Digital controlled power supply |
| 05/13/2009 | CN101431292A Power converter with ripple compensation |
| 05/13/2009 | CN101431291A Processing method for high-power switch power supply commutation bridge and water cooling board |
| 05/13/2009 | CN101431290A Optical fiber connecting method for cascade type medium-high voltage frequency convertor |
| 05/13/2009 | CN101431289A Traction auxiliary power supply integrated deflector |
| 05/13/2009 | CN101431288A Multifunctional electric power controller |
| 05/13/2009 | CN101431233A Detection protection circuit of constant power output power supply |
| 05/13/2009 | CN100488043C Filter network and electric system |
| 05/12/2009 | US7532488 DC converter |
| 05/07/2009 | WO2009058025A1 Device arranged for converting an ac input voltage to a dc output voltage |
| 05/07/2009 | WO2009058024A1 Device arranged for converting an ac input voltage to a dc output voltage |
| 05/07/2009 | WO2008145982A3 Power system |
| 05/07/2009 | WO2008137656A3 Power factor correction controller with feedback reduction |
| 05/07/2009 | US20090119544 Ghost agents within a grid environment |
| 05/07/2009 | US20090116267 Driving system for switching power supply |
| 05/07/2009 | US20090116266 Paralleled power conditioning system with circulating current filter |
| 05/07/2009 | US20090115381 Automatic frequency control for series resonant switched mode power supply |
| 05/07/2009 | US20090115345 High efficiency off-line linear power supply |
| 05/07/2009 | DE19654830B4 Steuerungssystem für eine Leistungswandlerschaltung A control system for a power converter circuit |
| 05/07/2009 | DE112007001565T5 EMV-Filter mit geringem Kriechstrom EMC filter with low leakage |
| 05/07/2009 | DE102008053999A1 Ansteuerungssystem für eine Stromrichteranordnung Drive system for a power converter arrangement |
| 05/07/2009 | DE102007059380B3 Ripple currents minimizing method for common buffer capacitor of e.g. step-up converter, involves adjusting determined phase difference of signal during pulse width modulation period after processing pulses in another period |
| 05/06/2009 | EP2056433A2 Power supply apparatus |
| 05/06/2009 | EP2054988A1 Dc filter and voltage source converter station comprising such filter |
| 05/06/2009 | EP2054987A1 Voltage source converter station |
| 05/06/2009 | EP2054787A1 Control device for power factor correction device in forced switching power supplies |
| 05/06/2009 | CN201234372Y Electric conversion architecture |
| 05/06/2009 | CN201234212Y Electricity supply system and transforming apparatus |
| 05/06/2009 | CN201234209Y Novel switch power supply |
| 05/06/2009 | CN201234208Y Switch power supply for chain type convertor power unit controller |
| 05/06/2009 | CN201234207Y Portable intrinsically safe electric power |
| 05/06/2009 | CN201234206Y DC high voltage soft starting apparatus |
| 05/06/2009 | CN201234205Y Parallel current equalizing control circuit, electric power module and electric power system constituted thereby |
| 05/06/2009 | CN201234078Y Trolley type high voltage frequency transformer with evident break point |
| 05/06/2009 | CN201233526Y Burp type standby circuit for switch electric power and electronic apparatus |
| 05/06/2009 | CN101427452A Power inverter control device for switching point determination |
| 05/06/2009 | CN101427451A Boost power factor correction circuit (boost PFC) |
| 05/06/2009 | CN101427450A Boost power factor correction circuit (boost PFC) |
| 05/06/2009 | CN101425759A Forward type converter having self-driving synchronous rectifier |
| 05/06/2009 | CN101425758A 1600kV/50mA outdoor moving DC voltage generator |
| 05/06/2009 | CN101425756A DC lateral voltage controllable 4 quadrant frequency transformer and method thereof |
| 05/06/2009 | CN101425754A Method and controller for controlling output current of switch electric power |
| 05/06/2009 | CN101425752A Control circuit capable of adjusting leading edge blanking time and power supply switching-over system |
| 05/06/2009 | CN101425746A Device and method for restraining differential interference of current |
| 05/06/2009 | CN101425745A Electric power supply component suitable for control circuit in electric source switch device |
| 05/06/2009 | CN101425744A Curved surface fin insertion type heat radiator for frequency transformer |
| 05/06/2009 | CN101425743A Ferrite panel and magnet core construction used for switch power supply module passive substrate |
| 05/06/2009 | CN101425742A DC bus bar connection construction for large power three-phase inverter |
| 05/06/2009 | CN101424967A Power circuit for computer |
| 05/06/2009 | CN100486095C DC-AC converter, controller IC therefor, and electronic apparatus utilizing the DC-AC converter |
| 05/06/2009 | CN100486091C Device for controlling power supply by phase gating and method for reduction of harmonic waves |
| 05/06/2009 | CN100486088C Load drive apparatus |
| 05/06/2009 | CN100486086C Nagnetic isolation feedback circuit |
| 05/06/2009 | CN100486085C Drive circuit for power device |
| 05/06/2009 | CN100486075C Three-level medium voltage converter for megawatt wind power generation |
| 05/05/2009 | US7529111 Drive controller for a self-commutated converter |
| 05/05/2009 | US7529106 Voltage monitoring device and inverter device |
| 05/05/2009 | US7528734 System and method for automatically detecting power supply voltage |
| 05/05/2009 | US7528588 Method and circuit for limiting output voltage in a switched-mode power supply and a switched-mode power supply |
| 04/30/2009 | WO2009055602A2 Ac mains filter and power supply system |
| 04/30/2009 | WO2009055253A1 System and method for controlling multiple processes in a welding-type power source using a refined controller architecture |
| 04/30/2009 | WO2009055094A1 Power factor control systems and methods |
| 04/30/2009 | WO2009054143A1 Power converter |
| 04/30/2009 | WO2009053639A2 Method of controlling of a switched-mode power supply and corresponding power supply |