| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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| 11/25/2009 | CN101588127A Simplest switch voltage-stabilizing power supply with short circuit overcurrent and overheating protection |
| 11/25/2009 | CN101588124A Wave-chasing current-limiting control method of diode mid-point clamping multilevel converter |
| 11/25/2009 | CN101588123A Method of forming an oscillator circuit and structure therefor |
| 11/25/2009 | CN101587359A Novel voltage stabilizer filtering topology and filtering control method |
| 11/25/2009 | CN101587326A Feedback control circuit and power supply circuit of using the same |
| 11/25/2009 | CN101586790A Non-polar lamp |
| 11/24/2009 | US7622904 Power array system and method |
| 11/24/2009 | US7622886 Method for determination of the risk to disturbance-free operation of a frequency converter |
| 11/19/2009 | WO2009139416A1 Inverter-integrated electrically-powered compressor |
| 11/19/2009 | WO2009139171A1 Filter circuit mounting unit and power source unit |
| 11/19/2009 | WO2009138370A1 A method and a device for estimating the clamping force on a winding package of a transformer or a reactor |
| 11/19/2009 | WO2009120649A8 Ups frequency converter and line conditioner |
| 11/19/2009 | US20090285004 Inverter module with thermally separated semiconductor devices |
| 11/19/2009 | US20090284997 Method to create pwm switching with near zero common mode noise |
| 11/19/2009 | US20090284996 System and method of cancelling noise radiated from a switch-mode power converter |
| 11/19/2009 | DE102008024415A1 Energy management system for use in motor vehicle, has inverter connected with bus system over interface for transmitting received power of inverter to control device over bus system |
| 11/19/2009 | DE102008022923A1 Method for running period determination of control unit of switched-off semiconductor switch of pulse power converter of voltage intermediate circuit, involves measuring converter output current during time determination |
| 11/19/2009 | DE102007056955B4 Schaltung zur Regelung der Stromversorgung eines Verbrauchers und Verfahren zum Betrieb einer Schaltung Circuit for controlling the power to a load and method for operating a circuit |
| 11/19/2009 | CA2761979A1 Circuit and method for ultra-low idle power |
| 11/18/2009 | EP2120322A1 Method to create a PWM switching with near zero common mode noise |
| 11/18/2009 | EP2120317A1 A method and a device for determining the mechanical resonant frequency of a vibration mode for a winding package of a transformer |
| 11/18/2009 | EP2119914A1 Inverter compressor operation method and compressor drive device |
| 11/18/2009 | CN201349388Y Heat radiation structure of power supply apparatus |
| 11/18/2009 | CN201349179Y Switching power circuit for pulper |
| 11/18/2009 | CN201349176Y Voltage-current signal convention circuit for frequency converter |
| 11/18/2009 | CN201349175Y AC to DC power supply fixing device of locomotive power cabinet |
| 11/18/2009 | CN201349174Y Split-pole in-phase anti-parallel connection structure rectifier cubicle |
| 11/18/2009 | CN201349138Y Electric locomotive charger |
| 11/18/2009 | CN201349096Y Power supply distribution device box |
| 11/18/2009 | CN101582634A Power converter, controller for output current of power converter and control method thereof |
| 11/18/2009 | CN101582633A Three-phase boosting and deboosting power factor correction circuit and control method thereof |
| 11/18/2009 | CN101582632A Switching power supply and electric equipment using switching power supply |
| 11/18/2009 | CN101582631A Feedforward compensated oscillator |
| 11/18/2009 | CN101582630A Work system with alarming prediction function |
| 11/18/2009 | CN101582629A Water cooling control system for explosion-proof frequency converter and control method |
| 11/18/2009 | CN101582628A High-voltage starting circuit with constant current control |
| 11/18/2009 | CN101581924A High-accuracy general soft-core digital power regulator of ionic accelerator |
| 11/18/2009 | CN101581920A High-accuracy general digital power regulator of ionic accelerator |
| 11/18/2009 | CN100562204C Electronic stabilizer with wave crest factor correction |
| 11/18/2009 | CN100561848C Control circuit for switching power supply |
| 11/18/2009 | CN100561837C Three-phase rectifying flat wave circuit |
| 11/18/2009 | CN100561823C Filter circuit |
| 11/17/2009 | US7619503 Power semiconductor apparatus provided with power controlling semiconductor modules connected in parallel to each other |
| 11/17/2009 | US7619397 Soft-start circuit for power regulators |
| 11/17/2009 | CA2598099C Electric power converter apparatus |
| 11/12/2009 | WO2009137573A1 Pulse width modulation dead time compensation method and apparatus |
| 11/12/2009 | WO2009135284A1 Method and apparatus for converting direct current into an alternating current |
| 11/12/2009 | DE102009002819A1 System und Verfahren zum Erzeugen von adaptiven Totzeiten System and method for generating adaptive dead times |
| 11/12/2009 | DE102009002732A1 Schaltungsanordnung mit zwei Halbleiterschaltelementen und einem Freilaufelement Circuit arrangement having two semiconductor switching elements and one freewheeling element |
| 11/11/2009 | EP2115862A1 Power supply unit |
| 11/11/2009 | CN201345619Y Low voltage stress single-stage AC-DC converter based on LLC serial connection resonance |
| 11/11/2009 | CN201345618Y Single-stage semibridge AD-DC converter |
| 11/11/2009 | CN201345615Y Z-source soft switch power factor correction full-bridge converter |
| 11/11/2009 | CN201345614Y High-power audio power amplifier switching power supply circuit |
| 11/11/2009 | CN201345613Y Voltage adjusting device for load starting |
| 11/11/2009 | CN201345611Y Ultra-low voltage running device for separate wall-hanging rated air-conditioner |
| 11/11/2009 | CN201345610Y Input filter for matrix converter |
| 11/11/2009 | CN201345609Y 节能型智能控制器 Energy Saving Intelligent Controller |
| 11/11/2009 | CN201345608Y Isolated electric induction type lossless secondary power source device |
| 11/11/2009 | CN201345607Y Pulse triggering circuit with isolated power supply |
| 11/11/2009 | CN201345606Y Heat-pipe air-cooling rectifying device for electrolysis power source |
| 11/11/2009 | CN201345605Y Multifunctional current rise device |
| 11/11/2009 | CN201345604Y Direct-current output connector for power supply device |
| 11/11/2009 | CN101578756A Power converter with snubber |
| 11/11/2009 | CN101577502A Linear direct current regulated power supply |
| 11/11/2009 | CN101577501A Apparatus for the transmission of electrical power |
| 11/11/2009 | CN101577493A Power supply circuit |
| 11/11/2009 | CN101577492A Power supply circuit |
| 11/11/2009 | CN101577490A Systems and methods for multiple source power conversion |
| 11/11/2009 | CN101577488A Efficient multi-mode DC-DC converter in wide voltage conversion range |
| 11/11/2009 | CN101577487A Capacitor-decoupling three-phase active power factor corrector |
| 11/11/2009 | CN101577486A Method and device used for power supply device and capable of adjusting front shielding device |
| 11/11/2009 | CN101577485A Wide band filter |
| 11/11/2009 | CN101577484A Power supply device of switch power supply of external convertible frequency air conditioner |
| 11/11/2009 | CN101577483A Transformer with time-sequence switching voltage-transformation selective circuit |
| 11/11/2009 | CN101577482A Energy-saved transistor gate driving circuit for power converter |
| 11/11/2009 | CN101577481A Zero-current start circuit and method of switch power supply |
| 11/11/2009 | CN101577480A Restricting signal generator, pulse wave width modulation control circuit and control method thereof |
| 11/11/2009 | CN101574757A Control system of ultrasonic welding machine |
| 11/11/2009 | CN100559712C Filter system and method for filtering analog signal |
| 11/11/2009 | CN100559688C Under voltage locking circuit with temperature compensation |
| 11/11/2009 | CN100559687C Power supplier and its ripple attenuation device |
| 11/11/2009 | CN100559686C Method and device for generating impulse bandwidth modulation signals and its application |
| 11/10/2009 | US7616462 Power supply controller to actively drive a load current when the load current exceeds a set point |
| 11/10/2009 | CA2452486C Electronic control systems and methods |
| 11/05/2009 | WO2009135156A2 Protection method, system and apparatus for a power converter |
| 11/05/2009 | WO2009134756A1 Cascaded switching power converter for coupling a photovoltaic energy source to power mains |
| 11/05/2009 | WO2009132560A1 A period time-sharing control circuit |
| 11/05/2009 | WO2009132427A1 Multi-level voltage inverter |
| 11/05/2009 | WO2009109902A3 Dc/ac power inverter control unit of a resonant power converter circuit, in particular a dc/dc converter for use in a high-voltage generator circuitry of a modern computed tomography device or x-ray radiographic system |
| 11/05/2009 | DE202009009238U1 Stromschaltung für Netzgerät Current circuit for power supply |
| 11/05/2009 | DE102008027757A1 Inverter-mounting device for use in switching cabinet, has cooling channel closed below and above with covering caps, where rear wall of switching cabinet is provided with set of boreholes in areas of covering caps |
| 11/04/2009 | EP2113999A2 Phase current detection apparatus |
| 11/04/2009 | EP2113994A2 Systems and methods for reducing distortion in a power source using an active harmonics filter |
| 11/04/2009 | EP2113928A1 Inverter filter structure |
| 11/04/2009 | EP1985159B1 Circuit arrangement for providing an operating dc voltage |
| 11/04/2009 | CN201341114Y Explosion suppression type four-quadrant variable frequency speed regulator |
| 11/04/2009 | CN201341097Y Direct current bus-bar voltage collection circuit used on frequency converter |
| 11/04/2009 | CN201341095Y Electronic servo transformer and servo system |
| 11/04/2009 | CN201341093Y Switching power supply device using piezoelectric transformer |