Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › 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)
07/2003
07/02/2003CN2559163Y 可调间歇电源转换器 Adjustable intermittent power converter
07/01/2003US6586915 Method and apparatus for controlling the voltage of signals powering low voltage lighting systems
06/2003
06/26/2003WO2003052914A1 Voltage sag and over-voltage compensation device with pulse width modulated autotransformer
06/26/2003WO2003052907A2 Voltage sag and over-voltage compensation device with pulse-width modulated transformer
06/26/2003US20030117823 Voltage conversion system and method and recording medium
06/26/2003US20030117821 Ac to dc power converter for electronic devices having substantially different output voltagte/current characteristics
06/26/2003US20030117820 Circuit device for driving an AC electric load
06/25/2003EP1322028A2 Voltage conversion system and method and recording medium
06/25/2003EP1320920A1 Cutting electric power converter
06/25/2003CN2558156Y High-voltage high power frequency and voltage stabilizing power source
06/25/2003CN1426158A Multifunctional changeable single pole multipath lamp and fan remote control light and speed regulating wall switch
06/24/2003US6583682 Method of reducing conducted EMI in motor drive applications
06/19/2003US20030112643 Pwm frequency converter
06/19/2003US20030112640 Method for controlling freewheeling paths in a matrix converter
06/19/2003US20030111910 Voltage sag and over-voltage compensation device with pulse-width modulated transformer
06/18/2003CN2556845Y Zero cross trigger mode silicon controlled thermosistor
06/18/2003CN2556844Y Special controller for frequency changer
06/18/2003CN1424813A Power supply system for AC-DC-AC station of electric railway
06/17/2003US6580621 Three-phase hybrid AC-voltage/AC-voltage direct converter having minimal complexity and high commutation security
06/12/2003US20030107540 LCD with power conversion capability
06/10/2003US6575918 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions
06/05/2003WO2003047085A1 Control loop and method for variable speed drive ride-through capability improvement
06/04/2003CN2554863Y 电能节约控制装置 Energy saving control device
06/04/2003CN2554862Y 负荷控制器 Load Control
06/04/2003CN2554782Y Screw contact voltage regulator
06/04/2003CN1421992A Tri-phase induction motor driving system and driving method thereof
06/03/2003US6573674 Circuit for controlling a load to be supplied by an alternating current voltage
06/03/2003US6573664 High efficiency high power factor electronic ballast
05/2003
05/30/2003WO2003044939A1 Frequency converter for different mains voltages
05/29/2003US20030099124 H-bridge electronic phase converter
05/29/2003US20030099120 Semiconductor converter circuit and circuit module
05/29/2003US20030098668 Control loop and method for variable speed drive ride - through capability improvement
05/28/2003EP1315298A1 System and method for driving three-phase induction motor
05/28/2003EP1315264A1 Method for earth fault monitoring of a power converter drive
05/28/2003EP0689689B1 Energy saving power control system
05/27/2003US6570779 Pulse with modulation inverter generation using a correction co-efficient and a reference to the ratio to obtain a real duty ratio
05/27/2003US6570270 Power conditioner for solar power generation system
05/22/2003WO2003043171A1 Power supply system for a control device
05/22/2003WO2003043170A2 Redox flow battery system and method of operating it
05/22/2003WO2003043167A1 Electric motor drive
05/22/2003US20030095424 Converters
05/22/2003CA2466509A1 System for storing and/or transforming energy from sources at variable voltage and frequency
05/21/2003EP1313206A2 Circuit arrangement
05/21/2003EP1313205A2 Dimmer with load type detection
05/21/2003EP0852425B1 Power converter and power converting method
05/21/2003CN2552253Y Domestic electrical appliance driving system
05/21/2003CN2552250Y Hybrid five level high-voltage frequency changer
05/21/2003CN1419735A Method for protecting a matrix converter against overvoltages and an active overvoltage device
05/20/2003US6566768 Two line switch and power sharing for programmable means
05/15/2003US20030090243 Parasitic power supply system for supplying operating power to a control device
05/14/2003EP1311058A2 Frequency power converter
05/14/2003EP1311057A1 Control method for a three-phase matrix converter
05/14/2003EP1310037A1 Device for effecting the basic interference suppression of a matrix converter
05/14/2003CN1417916A Compressor controller
05/08/2003US20030085221 Apparatus for cycle-skipping power control
05/08/2003DE20121006U1 Phase sampling control circuit has power transistors that are operated for specific period
05/07/2003EP1309075A2 Controlling device of compressor
05/07/2003EP1057248B1 Impedance angle control method
05/07/2003CN2549649Y Special variable transformer for cooker hood against charge evasion
05/07/2003CN1416614A PWM cycloconverter and power fault detctor
05/07/2003CN1416212A Electronic type frequency power trnsformer
05/06/2003US6560132 System for obtaining phase-ground voltages from a broken delta VT voltage connection system
05/06/2003US6559562 Voltage sag and over-voltage compensation device with pulse width modulated autotransformer
05/06/2003US6559532 Matrix converter
05/02/2003EP1306964A1 Control method for an AC-AC matrix converter
05/01/2003WO2003036783A1 System for obtaining phase-ground voltages from a broken delta vt voltage connection system
05/01/2003WO2002101910A3 Switching converter
05/01/2003US20030081366 Method for protection of a matrix converter against overvoltages, and an active overvoltage device
05/01/2003US20030080629 Stabilization circuit for compensating fluctuations in a voltage at a user
05/01/2003US20030079486 Controlling device of compressor
04/2003
04/30/2003CN2548358Y Three-phase A.C. untnterruption continuous step-type voltage regulating device
04/30/2003CN1414692A No-harmonic wave pollution high voltage large power frequency converter
04/30/2003CN1414691A No-harmonic wave pollution high voltage frequency converter energy back feed device and its method
04/30/2003CN1414690A By-pass circuit of high voltage variable frequency speed regulator
04/29/2003US6556462 High power factor converter with a boost circuit having continuous/discontinuous modes
04/24/2003WO2003034578A1 A two-line system electron switch on-state supply circuit
04/24/2003WO2003034096A1 Signal generation apparatus and method for seafloor electromagnetic exploration
04/24/2003US20030076700 System for obtaining phase-ground voltages from a broken delta vt voltage connection sytem
04/24/2003US20030076696 Device of uninterruptible power supply
04/23/2003EP1304792A1 Circuit device for driving an AC electric load
04/23/2003CN1412922A Switch power supply adaption method and system
04/23/2003CN1412634A Stabilivolt circuit
04/22/2003US6552912 Inverter apparatus for driving a compressor motor and a method for manufacturing the apparatus
04/17/2003WO2003032478A1 Phase current detector
04/17/2003WO2003032466A1 Uninterruptible power supply and its starting method
04/16/2003EP1303031A2 Commutated electronic power converter
04/16/2003CN1411626A Self-incentive push-pull type power supply
04/16/2003CN1411129A Medium and high voltage power conversion method and device
04/16/2003CN1410855A Electric power controlling method and apparatus thereof
04/10/2003WO2003030341A2 Induction generator power supply
04/10/2003US20030067793 Pulse with modualtion inverter generation using a correction co-efficient and a reference to the ratio to obtain a real duty ratio
04/09/2003EP1300937A2 Air conditioning device
04/09/2003EP1300935A2 Energy saving power control system
04/09/2003CN1409064A Variable frequency air conditioner
04/03/2003WO2003026501A2 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions
04/02/2003EP1298782A2 Inverter air-conditioner
04/02/2003EP1188223B1 Circuit for supplying power to a semiconductor switching device
04/02/2003EP1186091B1 Indirect voltage converter
04/01/2003US6542390 System and method for regenerative PWM AC power conversion
03/2003
03/27/2003WO2003026110A2 Commutation method in matrix converters
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