Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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10/15/2009 | US20090256490 Voltage sensing circuits and methods for inverters |
10/15/2009 | DE19514537B4 Verfahren zur Ansteuerung der Stromrichterventile von gleichstromseitig in Reihe geschalteten Parallelschwingkreiswechselrichtern A method of driving the converter valves of the direct current side connected in series parallel resonant circuit inverters |
10/15/2009 | DE102009014769A1 Motorsteuervorrichtung The motor control apparatus |
10/15/2009 | DE102009000600A1 Systeme und Verfahren eines Einphasen-Vollbrücken-Aufwärtswandlers Systems and methods of a single-phase full-bridge up converter |
10/15/2009 | DE102008018390A1 Synchronous rectifier e.g. bridge rectifier, has transformer with primary windings coupled with secondary windings of cells such that transistors are deactivated in forward operation and operated in conducting manner in inverse operation |
10/15/2009 | DE102008011609A1 Standby-circuit for transformer power supply unit in small device for household and industry, has switching device adjusting normal operation of transformer and standby-operation of transformer during existence of control signals |
10/15/2009 | DE102007016140B4 Verfahren und Vorrichtung zur Regelung der Ausgangsspannungen eines für 4-Leiter-Netze ausgelegten Wechselrichters beim Auftreten von Spannungs-Unsymmetrien Method and apparatus for controlling the output voltages of a designed for 4-wire networks inverter upon the occurrence of voltage unbalances |
10/15/2009 | DE10115326B4 Verfahren zur Ansteuerung eines Schwingkreis-Wechselrichters, Schwingkreis-Wechselrichter und Regler Method for driving a resonant inverter, oscillator inverter and controller |
10/14/2009 | EP2108216A2 Control device for an electric motor |
10/14/2009 | CN201328085Y Suspension-type DC power supply device |
10/14/2009 | CN201328083Y Primary side clamping circuit of phase-shifted full-bridge soft switching circuit |
10/14/2009 | CN201328073Y Frequency converter circuit and frequency converter utilizing same |
10/14/2009 | CN201328072Y Frequency converter circuit and frequency converter utilizing same |
10/14/2009 | CN201328071Y Single-phase frequency converter circuit and frequency converter utilizing same |
10/14/2009 | CN201326916Y LED lamp tube |
10/14/2009 | CN201326915Y LED lamp |
10/14/2009 | CN101557187A Control device for brushless direct current motor sensorless based on 12-beat control and method thereof |
10/14/2009 | CN101557175A Feedback circuit for output and regulation of inverter |
10/14/2009 | CN101557174A A state-tracked digitally-controlled inverter power supply |
10/14/2009 | CN101557173A Single-core differential current transformer power supply |
10/14/2009 | CN101557170A Half-bridge logical link control (LLC) resonant converter with self-driven synchronous rectifier |
10/14/2009 | CN101557166A Power supply apparatus and semiconductor integrated circuit device |
10/14/2009 | CN101557160A Ultralow-power standby circuit of inverter power supply |
10/14/2009 | CN101556768A Power supply circuit |
10/14/2009 | CN101556479A Automatic monitoring system of tobacco-leaf bulk curing barn |
10/14/2009 | CN100550592C Power transition device |
10/14/2009 | CN100550591C Inverter and programming device thereof |
10/14/2009 | CN100550590C Dc/dc converter control system |
10/14/2009 | CN100550589C Frequency converter and its control method |
10/14/2009 | CN100550562C Method for detecting earth-fault conditions in motor controller |
10/14/2009 | CN100550225C High voltage transformer |
10/13/2009 | US7602628 Power production during a reduced activity state |
10/13/2009 | US7602627 Electrical power source, operational method of the same, inverter and operational method of the same |
10/13/2009 | US7602626 Power conversion apparatus |
10/13/2009 | US7602625 Systems and methods for separation of a front end rectifier power system |
10/13/2009 | US7602624 Current resonance type multi-phase DC/DC converting apparatus having a large capacity without restricting multi-phase |
10/13/2009 | US7602158 Power circuit for generating non-isolated low voltage power in a standby condition |
10/08/2009 | WO2009124224A2 Distributed multiphase converters |
10/08/2009 | WO2009124221A2 Blade architecture array converter |
10/08/2009 | WO2009123268A1 System stabilizing device |
10/08/2009 | WO2009123094A1 Power assist device |
10/08/2009 | WO2009121867A1 Improved voltage and current control method applied to a control apparatus for a device for the production of electrical energy |
10/08/2009 | WO2009121475A2 Converter and method for determining a current space vector |
10/08/2009 | WO2009101013A3 Energy conversion and accumulation device and relative method |
10/08/2009 | WO2009094352A3 Externally synchronizing multiphase pulse width modulation signals |
10/08/2009 | US20090251938 Inverter Circuit and Method for Operating the Inverter Circuit |
10/08/2009 | US20090251937 Circuit arrangement having a dual coil for converting a direct voltage into an alternating voltage or an alternating current |
10/08/2009 | US20090251936 Distributed multiphase converters |
10/08/2009 | US20090251935 Multi-Pulse Rectifier for AC Drive Systems having Separate DC Bus Per Output Phase and Multiple Isolation Transformers |
10/08/2009 | US20090251934 Apparatus, System and Method for Cascaded Power Conversion |
10/08/2009 | US20090251933 Method for controlling inverters |
10/08/2009 | US20090251859 Electronic power converter and mounting structure of semiconductor device |
10/08/2009 | US20090251858 Electric power converter and mounting structure of semiconductor device |
10/08/2009 | DE102008013625A1 Fahrzeug, insbesondere Schienenfahrzeug, mit einer Wandlereinheit und Verfahren zum Umwandeln einer Spannung Vehicle, in particular rail vehicle, with a converter unit and method for converting a voltage |
10/08/2009 | DE102008012089A1 Verfahren zum Ansteuern einer Vollbrücke, und Anordnung zur Durchführung des Verfahrens A method for driving a full bridge, and device for carrying out the method |
10/07/2009 | EP2107676A1 Control device and control method for power conversion system having instantaneous voltage drop - service interruption counter-measure functions |
10/07/2009 | EP2107675A1 Dc power supply device and air conditioner using the same |
10/07/2009 | EP2107672A1 Three-phase inverter without connection between the neutral conductor of the grid and the mid-point of the intermediate circuit |
10/07/2009 | EP2107589A1 Switching device for grounding an inverter |
10/07/2009 | EP1623495B1 Power supply circuits |
10/07/2009 | CN201323535Y High efficiency sine wave inverter |
10/07/2009 | CN201323534Y Electric inverter |
10/07/2009 | CN201323533Y 24-pulse controlling circuit |
10/07/2009 | CN201323532Y Mid-position clamp circuit of three-level voltage source type frequency converter |
10/07/2009 | CN201323531Y 6KV high-voltage transducer directly composed of three-level H-bridge power unit module |
10/07/2009 | CN201323196Y Heavy-current half-wave rectifier bridge |
10/07/2009 | CN201322944Y Cash counter |
10/07/2009 | CN201322279Y Temperature compensated constant current driven LED lighting lamp directly driven through AC power source |
10/07/2009 | CN101553978A Circuit arrangement |
10/07/2009 | CN101553977A Device for converting an electric current |
10/07/2009 | CN101553064A Drive circuit of LED |
10/07/2009 | CN101552572A Parallel inverter current control method adopting voltage differential compensation |
10/07/2009 | CN101552571A Phase current detector |
10/07/2009 | CN101552570A A switch voltage regulation circuit and method with a frequency limiting function |
10/07/2009 | CN101552569A Synchronization inverter main circuit topology |
10/07/2009 | CN101552568A Half-cycle control tri-level single-inductor dual buck half bridge inverter and control method thereof |
10/07/2009 | CN101552567A Compensation method for pulse width modulation dead zone in three-phase grid-connected converter |
10/07/2009 | CN101552566A A synchronous rectifier of a resonant switching power converter |
10/07/2009 | CN101552565A Wide-amplitude voltage regulation and frequency modulation meter |
10/07/2009 | CN101552564A Switch controller of power factor correction converter |
10/07/2009 | CN101552563A Device and method for controlling constant-current output in switch power supply |
10/07/2009 | CN101552557A Parallel-connected resonance converter circuit and control method thereof |
10/07/2009 | CN101552545A AC-DC converting circuit, starting circuit and method for the converting circuit |
10/07/2009 | CN101552544A Power control device |
10/07/2009 | CN101552542A Multiplex universal power adapter |
10/07/2009 | CN101552541A Universal power adapter |
10/07/2009 | CN101552540A A boost converter and a power comprising the converter |
10/07/2009 | CN101552538A Switch power supply auxiliary output circuit |
10/07/2009 | CN101552537A Inductor packaging for power converters |
10/07/2009 | CN101552467A Method for supplying power for high-power server equipment |
10/07/2009 | CN101551684A Method for controlling rectified voltage in heating control of device aging screening machine |
10/07/2009 | CN100547898C AC power supply direct-coupled brushless DC motor and electric apparatus equipped therewith |
10/07/2009 | CN100547897C Control circuit for synchronous rectifier of forward power transducer |
10/07/2009 | CN100547896C Improved three stage power source for electronic arc welding |
10/07/2009 | CN100547895C Undershoot eliminator circuit and method for synchronous rectified DC-DC converters |
10/07/2009 | CN100547874C DC supply system for container piling site tyre hoister |
10/06/2009 | US7599203 Power semiconductor device |
10/06/2009 | US7599202 DC-AC converter with feedback signal control circuit utilizing power supply voltage, controller IC therefor, and electronic apparatus utilizing the DC-AC converter |
10/06/2009 | US7599200 Electric power converter |
10/06/2009 | US7599196 Universal power converter |