| 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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| 02/11/2009 | CN201194371Y High-resistance medium-frequency three-phase rectifier transformer |
| 02/11/2009 | CN201194370Y Three-phase power regulating/voltage regulating electricity rectifier |
| 02/11/2009 | CN101364772A Circuit arrangement for supplying electric energy to variable loads from three phases |
| 02/11/2009 | CN101362444A Mixed traction power supply equipment and control method |
| 02/11/2009 | CN100461606C Inverter controlling apparatus for driving a motor and an air conditioner using same |
| 02/10/2009 | US7489532 Apparatus and method for a power converter with feed-forward voltage compensation to enable a PFC circuit |
| 02/10/2009 | US7489124 Process for determining the loading condition of a diode rectifier of a frequency converter |
| 02/10/2009 | CA2519394C Power converter |
| 02/05/2009 | WO2009016340A1 Control methods for vsc active rectifier/inverters under unbalanced operating conditions |
| 02/05/2009 | WO2009016267A1 Control arrangement of an electric motor |
| 02/05/2009 | DE102007036700A1 Treiberschaltung für einen Stromrichter mit Zwischenkreis Driver circuit for a power converter with DC-link |
| 02/05/2009 | DE102007036438A1 Verfahren zur Ansteuerung eines Universal-Dimmers A method for controlling a Universal dimmer |
| 02/05/2009 | DE102007035954A1 Electric consumer's e.g. high voltage incandescent lamp, power regulating method for alternating current network, involves selecting phase angles of phase section of half-waves, where finite number of angles is uneven or greater than one |
| 02/04/2009 | CN201191815Y Low voltage circuit control apparatus for load-carrying flat car |
| 02/04/2009 | CN101359896A Serial parallel structure electric power transformation device and elevator system using thereof |
| 02/04/2009 | CN101359890A Rectified AC power supply DC electric fan |
| 02/04/2009 | CN101359876A DC system locking method for back-to-back DC networking project |
| 02/04/2009 | CN101359875A Multiple freedom degree dynamic control method for inverse transform bridge phase shifting advance angle of stationary frequency conversion starter |
| 02/04/2009 | CN101359874A Driver switch for an inverter with intermediate circuit |
| 02/04/2009 | CN101359873A Flyback voltage converter having self-driving synchronous rectifier |
| 02/04/2009 | CN101359872A Auxiliary power source for combination switch |
| 02/04/2009 | CN100459398C Current detecting unit for inverter |
| 02/04/2009 | CN100459396C Precharging circuit for converter |
| 02/04/2009 | CN100459395C Adjustable frequency-stabilizing voltage-stabilizing variable-frequency variable-voltage power supply |
| 02/04/2009 | CN100459394C Control unit and compressor used thereby |
| 02/04/2009 | CN100459393C Two-way AC chopper |
| 02/03/2009 | US7486082 Anomaly detection in inverter system |
| 01/29/2009 | WO2009013992A1 Matrix converter |
| 01/29/2009 | DE19524185B4 Gleichrichterschaltung Rectifier circuit |
| 01/28/2009 | CN201188586Y Rectifying inversion module |
| 01/28/2009 | CN201186619Y Traction power supply equipment based on PWM rectifier |
| 01/28/2009 | CN101355310A Frequency-converting circuit |
| 01/28/2009 | CN101354570A Control system |
| 01/27/2009 | US7483282 PWM method for cycloconverter |
| 01/22/2009 | WO2009011783A1 Dynamic selection of oscillation signal frequency for power converter |
| 01/22/2009 | US20090021963 Uninterruptible power supply, connected to a grid |
| 01/21/2009 | EP2017947A1 Matrix converter, and control method for the matrix converter |
| 01/21/2009 | EP1312153B1 Wind power plant |
| 01/21/2009 | CN201185404Y Control device for intelligently monitoring and detecting power supply real time |
| 01/21/2009 | CN201185388Y Duplicate supply frequency converter for numeral electromagnetic heat pump air conditioner |
| 01/21/2009 | CN101351953A Electronic control transformer using DC link voltage |
| 01/21/2009 | CN101351952A A power supply with reduced power losses during standby mode |
| 01/21/2009 | CN101350569A Topological structure for solar photovoltaic inverter |
| 01/21/2009 | CN101350566A Digital alternating constant-current apparatus |
| 01/21/2009 | CN101350173A Backlight driving system for liquid crystal display |
| 01/21/2009 | CN100455154C 单灯监控及节能系统 Single light control and energy saving system |
| 01/21/2009 | CN100454741C Main circuit of converter with input compatibility of single phase and three phase |
| 01/20/2009 | US7480160 Traction converter having a line-side four-quadrant controller, and method therefor |
| 01/20/2009 | US7479757 System and method for a cooling system |
| 01/20/2009 | US7479744 Power dimmer |
| 01/15/2009 | WO2009008742A1 Multi output inverter |
| 01/15/2009 | US20090015068 Apparatus for supplying power and liquid crystal display having the same |
| 01/14/2009 | EP2015616A1 Load recognition method for a variable speed drive and device for implementing this method |
| 01/14/2009 | EP2015437A2 Control circuit for an alternating commutator |
| 01/14/2009 | CN201181908Y Frequency conversion circuit and industrial environment friendly air conditioner controller |
| 01/14/2009 | CN201181907Y Self-adapting power supply for coal mine |
| 01/14/2009 | CN201181906Y Novel high voltage frequency convertor based on heat pipe technology and pull-plug function |
| 01/14/2009 | CN201181905Y AC high pressure generator |
| 01/14/2009 | CN201180659Y Frequency conversion oil-submersible pump |
| 01/14/2009 | CN201179583Y Electric soldering iron with smoke discharging function |
| 01/14/2009 | CN101346877A Method for controlling a polyphase voltage inverter |
| 01/14/2009 | CN101345507A Energy-saving control device of megawatt level multifunctional aerogenerator |
| 01/14/2009 | CN101345485A Simulation power supply of four-quadrant electric network |
| 01/14/2009 | CN101345484A Input current low frequency fluctuation controller of low frequency dynamic power supply |
| 01/14/2009 | CN101345483A Rail traction AC cophase supply apparatus based on three-phase series voltage source type symmetry transformation |
| 01/14/2009 | CN101345470A Current transformer |
| 01/14/2009 | CN101344765A Drinking machine electricity-saving control technology with self-learning function |
| 01/14/2009 | CN101344300A Power factor compensation type air conditioner integral power economizer |
| 01/14/2009 | CN100452631C Electric driving electronic power converter device arranging method and apparatus |
| 01/13/2009 | US7477531 Compensation circuit for use with a three-phase drive powering a single-phase load |
| 01/13/2009 | US7477530 Frequency converting apparatus and control method for the apparatus |
| 01/08/2009 | US20090008997 Voltage regulation device |
| 01/07/2009 | EP2011225A1 Motor control |
| 01/07/2009 | EP2011221A1 Device for supplying a plurality of loads from an electrical power feed network |
| 01/07/2009 | CN201178399Y Stepless speed regulating fan having zero-cross detection circuit |
| 01/07/2009 | CN101340153A Arc extinguishing compensating type AC voltage regulating and stabilizing apparatus |
| 01/07/2009 | CN101340106A Power supply system of elevator |
| 01/07/2009 | CN100449924C Digital high-voltage generator with any wave form |
| 01/07/2009 | CN100449923C Frequency transformer capable of continuously operating during power-off |
| 01/07/2009 | CN100449917C Device for controlling power by phase control, and method for reducing harmonic waves |
| 01/07/2009 | CN100449904C Method for operating frequence converter of a generator |
| 01/06/2009 | US7474081 AC/DC converter and method of modulation thereof |
| 01/02/2009 | DE112007000366T5 Leistungsumwandlungsvorrichtung mit Sammelschiene Power conversion apparatus with busbar |
| 01/01/2009 | US20090003022 Non-Contact Power Supply System |
| 12/31/2008 | EP2009779A2 Cross current control for a power system with parallel converters |
| 12/31/2008 | CN201174662Y Rectifying inversion cascade type frequency transformator |
| 12/31/2008 | CN201174600Y AC integrated power source apparatus of mobile communication base station |
| 12/31/2008 | CN201174526Y Movable voltage boosting transforming cart |
| 12/31/2008 | CN201174058Y Standby electric power of ultramicro power consumption |
| 12/31/2008 | CN201173958Y Testing transformer pressure regulating control device |
| 12/31/2008 | CN101336505A Backup power system |
| 12/31/2008 | CN101335497A Energy saving system of dual-rotation identical electricity synchronous diesel generator set |
| 12/31/2008 | CN101335491A Cross current control for power converter system |
| 12/31/2008 | CN100448162C Active emi filter with feed forward cancellation |
| 12/31/2008 | CN100448149C Load voltage-regulating method and device for all-thyristor non-transient transformer |
| 12/30/2008 | US7471529 Universal three phase controllers for power converters |
| 12/30/2008 | US7471525 Converter and power converter that becomes it with the converter |
| 12/30/2008 | US7471524 Isolated DC-DC converters with high current capability |
| 12/30/2008 | US7471004 Driving/electric-power generating system for vehicle |
| 12/24/2008 | WO2008156979A2 System and method for producing anharmonic multi-phase currents |