| 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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| 05/17/2007 | US20070109827 Ac to dc converter circuit |
| 05/16/2007 | EP1784700A1 Improved apparatus and method for control of high intensity discharge lighting |
| 05/16/2007 | CN2901687Y Rectifier circuit for current source |
| 05/16/2007 | CN2901659Y 1.14KV line power supply system |
| 05/16/2007 | CN1964177A Electromagnetic voltage regulation device for soft start-up of high voltage AC motor |
| 05/16/2007 | CN1964174A A complementary output drive control method with high resolution, frequency conversion and adjustable phase |
| 05/15/2007 | US7218089 Method and apparatus for implementing same phase power supply scheme |
| 05/10/2007 | US20070103952 Booster transformer for driving magnetron and transformer unit having the booster tranformer |
| 05/10/2007 | DE102005012542B4 Verfahren zur Raumzeiger-basierten Steuerung eines Matrixumrichters mit zweiphasigem Ausgang A method for space vector based control of a two-phase matrix converter output |
| 05/09/2007 | EP1782662A2 Controllable power supply circuit for an illumination system and methods of operation thereof |
| 05/09/2007 | EP1782528A1 Method for operating a two-phase rotary current controller |
| 05/09/2007 | EP1782527A1 Device for feeding auxiliary operating devices for a fuel electric vehicle |
| 05/09/2007 | EP1782526A1 Device for feeding auxiliary operating devices for a fuel electric vehicle |
| 05/09/2007 | CN1961476A System and method for increasing output horsepower and efficiency in a motor |
| 05/09/2007 | CN1961473A System and method for controlling a variable speed drive |
| 05/09/2007 | CN1961472A Variable speed drive for multiple loads |
| 05/09/2007 | CN1961471A PWM cycloconverter and method for controlling the same |
| 05/09/2007 | CN1960152A Source transfer circuit, and power supply system of using the circuit |
| 05/09/2007 | CN1960151A 供电系统 Power Supply System |
| 05/08/2007 | US7215559 Method and apparatus to reduce common mode voltages applied to a load by a drive |
| 05/08/2007 | US7215101 Soft-switching DC/DC converter having relatively fewer elements |
| 05/08/2007 | US7215099 Method in frequency converter provided with voltage intermediate circuit, and frequency converter |
| 05/08/2007 | US7215098 Electrical generating system having capacitative control of alternator regulation |
| 05/08/2007 | US7215041 Charging circuit for a frequency converter |
| 05/02/2007 | CN2896692Y DC brush-free motor power-supply circuit |
| 05/02/2007 | CN2896683Y Control device of equal-ratio drive-type power supply |
| 05/02/2007 | CN2896681Y Three-phase frequency-variable power-supply device |
| 05/02/2007 | CN2896680Y Three-phase power-adjustable power supply for vacuum carbon-tube oven |
| 05/02/2007 | CN2896679Y Insulation grid double-pole transistor module with protection device |
| 05/02/2007 | CN2896468Y Staged loaded pressure-regulation switch |
| 05/02/2007 | CN1957523A Assistant bus system |
| 05/02/2007 | CN1957522A AC/AC converter for hybrid vehicles |
| 05/02/2007 | CN1956303A Self powered gate driver system |
| 05/02/2007 | CN1314190C Continuous pulse generator of plasma display panel |
| 05/01/2007 | US7212421 Combination feedback controller and power regulator using same |
| 05/01/2007 | US7212012 Method of and system for regulating output voltage |
| 04/26/2007 | US20070091652 Frequency converter |
| 04/26/2007 | US20070090770 Step sinusoidal voltage controlling method for hid, flourescent and incandescent light dimming applications |
| 04/26/2007 | DE202006019877U1 Umrichter Inverter |
| 04/26/2007 | DE112005001230T5 PWM-Direktumrichter und Steuerverfahren für einen PWM-Direktumrichter PWM cycloconverters and control method for a PWM cycloconverter |
| 04/26/2007 | DE102005050842A1 A method for eliminating the vibration of a three phase electric motor has a rectifier and frequency generator with control units to ground the common point of the motor windings |
| 04/26/2007 | DE102005049114A1 Verfahren zur Verteilung von Strom auf die Stromrichterventile in Wechselrichtern A method for distributing power to the converter valves in inverters |
| 04/25/2007 | EP1777792A2 Control and protection methodologies for a motor control module |
| 04/25/2007 | CN2894085Y Fan rotating speed improved control circuit |
| 04/25/2007 | CN2894070Y Multi-level circuit device need not balance to capacitance-voltage |
| 04/25/2007 | CN2894069Y AC voltage regulating controller |
| 04/25/2007 | CN2894068Y Wall power-saving switch |
| 04/25/2007 | CN2894067Y 电压频率转换器 Voltage frequency converter |
| 04/25/2007 | CN2894066Y 电压频率转换器 Voltage frequency converter |
| 04/25/2007 | CN2894022Y 智能功率模块 Intelligent Power Module |
| 04/25/2007 | CN2894004Y High-voltage frequency conversion bypass switching cabinet |
| 04/25/2007 | CN2893891Y Apparatus for preventing DC isolating switch AC DC short circuit |
| 04/25/2007 | CN1954482A AC power supply unit for regenerating magnetic energy |
| 04/25/2007 | CN1953318A Power converter methods and apparatus for variable speed high power machines |
| 04/24/2007 | US7208918 Vehicle rotating electric machine |
| 04/24/2007 | US7208892 Power management system for a floor care appliance |
| 04/19/2007 | WO2007042598A1 Improved power regulator automatically setting forward or reverse phase control depending on the type of load |
| 04/19/2007 | WO2006107688A3 Solid state switching circuit |
| 04/19/2007 | US20070086222 Bidirectional DC/AC inverter |
| 04/19/2007 | US20070085344 Method for operating a frequency converter of a generator |
| 04/19/2007 | DE112005001187T5 AC/AC-Wandler für Hybridfahrzeuge AC / AC converter for hybrid vehicles |
| 04/19/2007 | DE102006000790A1 Verfahren zur Regelung eines Serienkreisstromes einer Befeuerungsanlage eines Flugplatzes oder dergleichen sowie Konstantstromregler Method for controlling a series circuit current of a lighting system of an aerodrome or the like and constant current regulator |
| 04/18/2007 | EP1775831A2 Motor control circuit for a power tool |
| 04/18/2007 | EP1775828A2 Power converter methods and apparatus for variable speed high power machines |
| 04/18/2007 | EP1774643A1 Apparatus and methods for regulating delivery of electrical energy |
| 04/18/2007 | CN2891470Y Electric control device for frequency conversion unit |
| 04/18/2007 | CN2891469Y Total numerically controlled integrated power saving device |
| 04/18/2007 | CN2891464Y Fully sealed high voltage converter with heat exchanger |
| 04/18/2007 | CN2891428Y Power supply unit |
| 04/18/2007 | CN2891400Y Plug wire type dimming lamp holder |
| 04/18/2007 | CN1951011A A system and a method of controlling the triggering of a triac |
| 04/18/2007 | CN1950998A System and methods for charging batteries |
| 04/18/2007 | CN1950613A System and method for variable speed operation of a screw compressor |
| 04/18/2007 | CN1949645A 能量回馈功率单元 Regenerative power unit |
| 04/18/2007 | CN1949644A AC-DC-AC power unit and assembly thereof |
| 04/18/2007 | CN1311621C Frequency changer controller for driving motor and air-conditioner |
| 04/18/2007 | CN1311620C Method and device for controlling inductive motor regenerated energy flow and DC bus voltage in frequency modulation driving system |
| 04/17/2007 | US7205750 Power supply for positive and negative output voltages |
| 04/17/2007 | US7205749 Power line communication using power factor correction circuits |
| 04/12/2007 | WO2007040443A1 Method for power control of an electric motor |
| 04/12/2007 | WO2006088821A3 Safety interlock and protection circuit for permanent magnet motor drive |
| 04/12/2007 | US20070081369 Pwm cycloconverter |
| 04/12/2007 | DE19781010B4 Stromversorgungsvorrichtung A power supply apparatus |
| 04/11/2007 | EP1771936A1 Traction current converter comprising a network-side four-quadrant converter |
| 04/11/2007 | EP1771935A2 Frequency converter comprising an intermediate circuit without a capacitor |
| 04/11/2007 | CN2888737Y Duplicated-frequency single-phase sine wave pulse width modulated output IP core |
| 04/11/2007 | CN1946587A Power supply system for vehicle with improved energy efficiency and vehicle including the same |
| 04/11/2007 | CN1946254A Energy saving module for road lamp |
| 04/11/2007 | CN1945950A Switch step switchover type AC voltage regulator |
| 04/11/2007 | CN1945949A Digital AC constant current source of wide current range |
| 04/10/2007 | US7203078 Dual mode rectifier, system and method |
| 04/05/2007 | WO2006130452A3 Inverter operation with over-modulation |
| 04/05/2007 | US20070076459 Apparatus for supplying energy to a load and a related system |
| 04/05/2007 | US20070074620 Method and apparatus for randomized variation of musical data |
| 04/05/2007 | DE20023894U1 Vorrichtung zum Ansteuern eines elektrischen Verbrauchers mit einer vorbestimmten elektrischen Leistung An apparatus for controlling an electric load with a predetermined electric power |
| 04/05/2007 | DE102005047373A1 Low-setting plate circuit consists of input and output connections with main branches between them as well as input-side condenser and output-side diode series connections |
| 04/04/2007 | CN2886916Y Power-saving device for single AC motor |
| 04/04/2007 | CN2886913Y Primary power supply for stationary transducer of motor testing station |
| 04/04/2007 | CN1941586A Energy effective switching power supply apparatus and energy effective method thereof |
| 04/04/2007 | CN1941585A Electronic touching light-modulating transformer of low-voltage halogen tungsten light |