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)
01/2004
01/20/2004US6680856 Power converter circuit arrangement for generators with dynamically variable power output
01/15/2004WO2003067358A3 Voltage source and current source with capacitor
01/15/2004US20040008530 Inverter control device and electric vehicle thereof
01/08/2004WO2004004108A1 Circuit arrangement with a voltage link converter
01/08/2004WO2004004107A1 Method and device for controlling voltage
01/08/2004US20040004514 Active filter for reduction of common mode current
01/08/2004CA2491106A1 Method and device for controlling voltage
01/07/2004CN2598253Y Boost cascade speed regulator
01/07/2004CN1466262A Converter for converting three-phase ac into dc
01/07/2004CN1134100C Zero-voltage switch double-PWM frequency converter
01/02/2004EP1376842A1 Motor driving controller.
01/01/2004US20040001346 Method and apparatus for reducing power consumption for power supplied by a voltage adapter
12/2003
12/31/2003WO2004001940A1 High-current power supply using storage battery
12/31/2003WO2003069962A3 Centralized device for the control of the feeding voltage of a load provided with a power factor correction condenser
12/31/2003CN2596659Y Three phase power constant phase sequence protector
12/31/2003CN1464631A Five-level high-voltage frequency converter
12/31/2003CN1464627A Hybrid five-level high-voltage frequency converter
12/30/2003US6671191 Electric power conversion apparatus
12/25/2003US20030235060 Motor driving controller
12/24/2003CN2595067Y Voltage limiting circuit of small-power switch power supply
12/24/2003CN2595066Y Automatic feeder line voltage regulator
12/24/2003CN1463568A High efficiency high power factor electronic ballast
12/24/2003CN1463484A Inverter control method and its device
12/24/2003CN1463483A Active common mode filter connected in A-C line
12/18/2003US20030231517 System and method for regenerative PWM AC power conversion
12/18/2003US20030230937 Sag generator with plurality of switch technologies
12/18/2003DE20316088U1 Vorrichtung zum Stellen von Wechselstrom Means for sites of AC
12/17/2003EP1372255A1 Three-phase input, single-phase output, direct-conversion power converter
12/17/2003CN2593456Y Medium voltage variable frequency power source control apparatus
12/17/2003CN2593455Y Uninterruption rapid adjustable voltage power source apparatus
12/17/2003CN2593453Y High power medium frequency power electronic rippleless reactor
12/16/2003US6665158 Alternator/inverter with dual H-bridge and automatic voltage regulation
12/16/2003CA2343812C Electrical power transmission system
12/11/2003WO2003103126A1 Power converter
12/11/2003WO2003103111A1 High-frequency generator
12/10/2003CN2591860Y Large power middle frequency power source using with double parallel resonance contravariant loop
12/10/2003CN1460610A Power module power supplying mthod for high-speed magnetic suspension train
12/10/2003CN1460557A Regulation control method of speed variable huller
12/09/2003US6661678 Power factor corrected UPS with improved connection of battery to neutral and methods of operation thereof
12/09/2003US6661110 Portable generator having thyristor-based rectifier circuit and inverter circuit
12/04/2003WO2003030341A3 Induction generator power supply
12/04/2003US20030223251 Control method and apparatus to reduce current through DC capacitor linking two static converters
12/04/2003US20030222459 Capacitive control of alternator regulation
12/04/2003DE10235052C1 Multi-axis industrial manufacturing machine has central regulated supply module inductively coupled to impedance for damping characteristic vibration of multi-axis electrical drive system
12/03/2003EP0940001B1 Power conversion apparatus and air conditioner using the same
12/03/2003CN2590275Y Power supply special for electric curtain
12/03/2003CN2590269Y Function convertible monopole multi-path remote controlled light-modulating speed-regulating energy-saving wall switch for lamp and electric fan
12/03/2003CN2590268Y Power electronic transformer
12/03/2003CN2590087Y Infrared remote controlled multifunctional lamp controller
12/03/2003CN2589870Y Frequency conversion air-conditioner
12/03/2003CN1130003C Double phase change inverter circuit
12/03/2003CN1129743C Air conditioner
12/02/2003US6657874 Semiconductor converter circuit and circuit module
12/02/2003US6657418 Parasitic power supply system for supplying operating power to a control device
12/02/2003US6657402 Portable device with reduced power dissipation
11/2003
11/26/2003EP1364454A1 Mobile power generation system
11/26/2003EP1364448A1 Apparatus for power transmission
11/25/2003US6654267 Power supply apparatus providing plural outputs of specific characteristics
11/25/2003US6654260 Asymmetrical power converting apparatus employing self-arc-suppressing switches
11/20/2003US20030214823 Power generation apparatus using permanent-magnet generator
11/20/2003DE20303462U1 Stepless control for electric motors with alternating current power supply has sets of antiparallel GTO or IGBT transistors, with inductances and capacitors
11/19/2003CN1457138A Angle differential transformer
11/13/2003WO2003094330A1 Active common mode emi filters
11/13/2003US20030212516 Method and system of harmonic regulation
11/13/2003US20030210563 Active common mode EMI filters
11/12/2003EP1361639A1 Power system having generator driven by engine
11/12/2003CN1455510A Intelligent remote-control contact light-modulating switch
11/11/2003US6646896 Controller of AC machine
11/06/2003WO2003058791A3 Active emi filter with feed forward cancellation
11/06/2003DE20314200U1 Intelligent lighting dimmer circuit responds automatically to identify if load is inductive or capacitive and adjusts control signal frequency
10/2003
10/30/2003WO2003090337A1 Power converter
10/30/2003WO2003090331A2 Power supply with a direct converter
10/30/2003WO2003052907A3 Voltage sag and over-voltage compensation device with pulse-width modulated transformer
10/30/2003WO2003026110A3 Commutation method in matrix converters
10/30/2003US20030202370 Method for controlling a matrix converter
10/30/2003US20030202369 Method for controlling a matrix converter
10/30/2003US20030202367 Power converter circuit arrangement for generators with dynamically variable power output
10/30/2003DE20312784U1 Voltage control device for a multiphase ac provision for three phase electric motors uses a phase shift method
10/29/2003CN2583873Y Medium-high-voltage electric power converter
10/29/2003CN2583872Y Silicon controlled voltage-regulating voltage stabilizer with effective value feedback
10/29/2003CN1126241C Inverter apparatus
10/29/2003CN1126240C Supply unit for electronic machine
10/23/2003WO2003088468A1 Multifunction power convertor
10/23/2003US20030198065 Inverter having self adjusting output frequency for use with other inverters in parallel
10/23/2003US20030197995 Reverse phase control power switching circuit with overload protection
10/22/2003CN2581240Y Motor-driven power load transporting vehicle
10/22/2003CN1450715A Switch step switching type ac voltage regulator
10/21/2003US6636107 Active filter for reduction of common mode current
10/15/2003CN2580674Y Electronic frequency conversion power source for three-phase input electric chain saw
10/15/2003CN1124678C Power control unit
10/09/2003WO2003043170A3 Redox flow battery system and method of operating it
10/08/2003EP1350306A2 Ac-to-ac power converter without a dc link capacitor
10/08/2003CN2579076Y High-frequency power supply of ozone generator
10/08/2003CN1447511A AC voltage control unit
10/08/2003CN1447510A Multiunit bipolarity output circuits of two winding transormer
10/08/2003CN1447509A Power supply circuit with step down voltage
10/08/2003CN1447508A Multiunit bipolarity output circuits with no transformer
10/02/2003US20030185029 Direct conversion programmable power source controller: three-phase input with programmable single-phase output
10/01/2003CN1445916A Frequency conversion electrical motor
10/01/2003CN1445552A Power supply source for photoelectricity type current transformer
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