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

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)
12/2006
12/20/2006	EP1264385B1 Power converters with ac and dc operating modes and methods of operation thereof
12/20/2006	CN2850133Y Split driver for electric tracted getter
12/20/2006	CN2850132Y Reinforced medium frequency power
12/20/2006	CN2850131Y Power frequency large range alternating constant current source
12/20/2006	CN1882895A High precision digital-to-analog converter with optimized power consumption
12/20/2006	CN1881767A Control structure of full power type AC-DC-AC converter for wind power generation
12/20/2006	CN1291544C Multi-output isolated power supply for power electronic equipment
12/20/2006	CN1291543C Fault tolerant power supply conversion circuit
12/15/2006	CA2538853A1 Lamp having integral voltage controller
12/15/2006	CA2538851A1 Method of setting desired rms load voltage in a lamp
12/15/2006	CA2538790A1 Lamp containing pulse width modulated voltage conversion circuit
12/15/2006	CA2538654A1 Lamp that sets desired rms load voltage with variable pulse width modulation
12/14/2006	US20060279976 Modular power generation apparatus and method
12/14/2006	DE4405239B4 Verfahren und Vorrichtung zum Schutz von abschaltbaren Leistungshalbleitern eines Schwingkreisumrichters vor harten Schaltvorgängen Method and apparatus for the protection of turn-off power semiconductors of a Schwingkreisumrichters from hard switching operations
12/13/2006	EP1732201A2 Method and arrangement for charging capacitors of direct-voltage intermediate circuit of frequency converter
12/13/2006	CN2847680Y Multiple level circuit device
12/13/2006	CN2847679Y Multifunction power saving connector
12/13/2006	CN2847678Y 高压变频器 Voltage inverter
12/13/2006	CN2847677Y Single phase, three phase electricity changing circuit for sewing machine
12/13/2006	CN1877977A Three-phase three-soft-switch chopping type filtering voltage regulator
12/13/2006	CN1290250C Power factor compensation device for motor driving inverter system
12/13/2006	CN1289877C Control circuit and method for current inversion motor of current inversion air conditioner
12/12/2006	US7149097 AC/DC converter with power factor correction
12/12/2006	US7149064 Multiphase reduced voltage starter with bypass relays, interphase electrical isolation and shared thermal mass
12/12/2006	US7148650 Maximum power point motor control
12/07/2006	WO2006130452A2 Inverter operation with over-modulation
12/06/2006	EP1728313A1 Power conversion apparatus with dc bus precharge circuits and methods of operation thereof
12/06/2006	EP1728304A1 Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method
12/06/2006	CN1875479A Method and arrangement in inverter
12/05/2006	CA2417384C Wind power plant
11/2006
11/30/2006	US20060268587 Method to control a frequency converter
11/29/2006	EP1727267A2 PWM switching power supply control methods
11/29/2006	CN2842866Y 微波炉风机 Microwave Fan
11/29/2006	CN2842865Y Highvoltage resistance potential divider
11/29/2006	CN1870410A Electric power unit of switch
11/29/2006	CN1870406A Secondary side controller and method therefor
11/29/2006	CN1870403A 电子变压器 Electronic Transformer
11/28/2006	US7142439 Zero-voltage-switching single-switched resonant DC link with minimized conduction loss
11/28/2006	US7142436 Reliable bi-directional driving circuit for wide supply voltage and output range
11/28/2006	US7141892 Power supply method of a line interactive UPS and the line interactive UPS
11/28/2006	CA2248400C Power flow control and power recovery with rotary transformers
11/23/2006	WO2006125184A1 Variable-frequency drive with regeneration capability
11/23/2006	WO2006123684A1 Power control apparatus, power control method, power control program, and vacuum cleaner, electric washing machine and sanitary washing apparatus that have power control apparatus
11/23/2006	US20060265160 Arrangement for monitoring a frequency converter
11/23/2006	DE19539557B4 Verfahren zur Regelung eines Netzstromrichters mit Spannungszwischenkreis Method for controlling a power converter with voltage link
11/23/2006	CA2608780A1 Variable-frequency drive with regeneration capability
11/22/2006	EP1723715A1 Variable speed drive for multiple loads
11/22/2006	CN2840509Y A.D.A power unit and assembly thereof
11/22/2006	CN2840508Y High frequency high voltage DC power supply for electric dust-cleaner
11/22/2006	CN2840507Y Table type electric fan remote-control speed regulating and light modulating apparatus additional electric mosquito-repellent incense device igniting system
11/22/2006	CN2840506Y One-chip machine controlled electric fan remoto-control light modulating and speed regulating apparatus
11/22/2006	CN2840229Y One-chip machine controlled saloon and bedroom ceiling ventilating fan remote-control light modulating and speed regulating device
11/22/2006	CN1286264C Frequency converter and drive for electric motor
11/21/2006	US7139179 Switching mode power converter having secondary side bias generating and driving circuit to provide synchronous rectification and active clamp
11/16/2006	WO2006121958A1 Variable speed drive for a chiller system with a switched reluctance motor
11/16/2006	WO2006121907A1 Variable speed drive for a chiller system
11/16/2006	WO2005060570A3 Ac to dc converter circuit
11/16/2006	US20060256596 Dc/dc-rectifier with reduced losses
11/16/2006	US20060256587 Electric power converter
11/16/2006	DE112004001871T9 Piezoelektrische Transformatortreibvorrichtung und piezoelektrisches Transformatortreibverfahren Piezoelectric transformer driving device and piezoelectric transformer driving method
11/16/2006	CA2607450A1 Variable speed drive for a chiller system with a switched reluctance motor
11/16/2006	CA2607438A1 Variable speed drive for a chiller system
11/15/2006	EP1721384A1 System and method for increasing output horsepower and efficiency in a motor
11/15/2006	EP1721079A1 System and method for variable speed operation of a screw compressor
11/15/2006	CN1864317A Piezoelectric transformer driving apparatus and piezoelectric transformer driving method
11/15/2006	CN1862937A Three-level integrated medium, high voltage frequency changer
11/15/2006	CN1862906A Series active AC voltage quality regulator and controlling method
11/09/2006	WO2006118026A1 Power transforming apparatus and power transforming method
11/09/2006	WO2006090111A3 Power converters
11/09/2006	US20060250116 Generator with dual cycloconverter for 120/240 vac operation
11/09/2006	DE102005020414A1 Phasenanschnittsteuerung Phase control
11/08/2006	EP1720240A2 Arrangement for monitoring a frequency converter
11/08/2006	EP1719388A1 Induction heating or melting power supply utilizing a tuning capacitor
11/08/2006	CN2836388Y Temperature control unit of drying wire hot air heater
11/08/2006	CN2836303Y Topology of main circuit for unified electric power quality regulator
11/08/2006	CN1860655A Method for operating frequence converter of a generator
11/08/2006	CN1859824A Atmospheric pressure glow discharge control method and its circuit based on pulse density modulation
11/07/2006	US7133293 Personal computer power supply installed within a case of a personal computer
11/02/2006	WO2006114424A2 Controllable semiconductor diode, electronic component and indirect voltage converter
11/02/2006	WO2006087402A3 Method for the continuous regulation of voltage ratio in transformers
11/02/2006	US20060245220 DC-AC converter and controller IC therefor
11/02/2006	EP1716629A1 Device for covering the peak load
11/01/2006	CN2834007Y Intelligent frequency conversion module
11/01/2006	CN2834006Y Intelligent electricity-saving equipment
11/01/2006	CN2833670Y Converter with built-in PLC frequency control
11/01/2006	CN1855683A Electric converting system with circular energy for loading
10/2006
10/31/2006	US7129677 Vector controller, a polyphase synchronous rectifier, and a method of vector-controlling thereof
10/26/2006	WO2006112970A1 Continuously variable frequency swinging armature motor and drive
10/26/2006	WO2006112275A1 Matrix converter apparatus
10/26/2006	US20060238940 Overvoltage protection of a frequency converter
10/26/2006	DE102005018340A1 Verfahren zum Betreiben einer elektrischen Anordnung A method of operating an electrical assembly
10/25/2006	EP1715572A2 Method of operating an electrical device
10/25/2006	EP1715567A2 Overvoltage protection of a frequency converter
10/25/2006	EP1715557A1 Power converter
10/25/2006	EP1714824A2 Control apparaus for pwm converter
10/25/2006	CN2831688Y Mains for controlling lamplight
10/25/2006	CN2831686Y Novel lamplight electricity saver
10/25/2006	CN1853335A Pwm cycle converter
10/25/2006	CN1282301C Frequency changer controller for driving motor and air-conditioner
10/19/2006	US20060233000 Power converter motor drive btb system and system linking inverter system

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