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)
11/2008
11/12/2008CN101304219A Modulation circuit and modulation software for outputting waveform of frequency transformer
11/12/2008CN101304180A Composition energy-saving non power brake system and bidirectional transducer module as well as power transferring method
11/12/2008CN100433536C Voltage space vector-based modulation method
11/12/2008CN100433523C Electrical power saving apparatus and method
11/12/2008CN100433522C Double buck/boost two-way AC chopper
11/12/2008CN100433521C In-situ high voltage switch and bus temperature detecting system and its powered method
11/11/2008US7450407 Control method of AC/DC power converter for input current harmonic suppression
11/11/2008US7449851 Arrangement for automatically influencing a mains supply and motor drive therefor
11/11/2008CA2630939A1 Power converters
11/06/2008WO2008097749A3 Variable speed drive with integral bypass contactor
11/06/2008WO2008092152A3 Common mode and differential mode filter for variable speed drive
11/06/2008US20080272706 Hybrid Power Supply System
11/06/2008US20080272099 System and Method for Controlling Harmonics Injected onto an Input Line by a Welding-Type System
11/05/2008EP1766771B1 Quenching device for a converter bridge with line regeneration
11/05/2008CN201146470Y Current changer regulating voltage in preceding stage
11/05/2008CN201146469Y High-power stepless voltage-regulating apparatus
11/05/2008CN101299588A Double salient poles permanent magnetism wind power generator system and control method thereof
11/05/2008CN100431253C Power unit and high-voltage frequency converter with contactor bypass function
11/05/2008CN100431252C Flyback power converter capable of switching zero potential in critical mode
11/05/2008CN100431247C Active common mode filter connected in A-C line
11/04/2008US7447051 Synchronous multi-phase AC-to-DC converter
11/04/2008US7445601 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions
10/2008
10/30/2008WO2008130889A1 Harmonics attenuator using combination feedback controller
10/29/2008CN201142768Y Low-voltage distribution electricity economizer
10/29/2008CN201140389Y Frequency conversion electric tool
10/29/2008CN201140314Y Electric welding machine circuit structure with six-phase consequent half-wave rectification
10/29/2008CN101295936A Exterior feeding control power supply of high voltage frequency convertor power unit
10/29/2008CN101295935A Optimizing PWM modulation method capable of restraining harmonic wave
10/29/2008CN101295934A Uninterrupted power supply with wide range of input voltage
10/29/2008CN101295933A Frequency conversion power source based on digital signal processor controlling
10/29/2008CN101295932A Electric power source reactivator and method thereof
10/29/2008CN101295931A AC power source current output stabilization and converting circuit, converter and conversion method
10/29/2008CN101295918A Soft switching method for electric-controlled switch of three-phase AC input circuit
10/29/2008CN101295886A Active electric power regulating mechanism
10/23/2008WO2008126593A1 Matrix converter space vector modulation method
10/23/2008WO2008126591A1 Matrix converter space vector modulation method
10/23/2008WO2008092154A8 System and method to extend synchronous operation of an active converter in a variable speed drive
10/23/2008US20080259658 Limit for the harmonics of a current
10/22/2008EP1983640A2 Power conversion apparatus and method of estimating power cycle life
10/22/2008EP1649588B1 Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion by voltage conversion device
10/22/2008CN201138788Y Series connection AC pressure regulating energy saving apparatus
10/22/2008CN201138787Y Magnetic excitation switching apparatus for electricity driving vibration platform
10/22/2008CN201136079Y Intermediate frequency parallel voltage transformation and rectification circuit of resistance spot welding machine
10/22/2008CN101291129A Wind power electricity generating apparatus
10/22/2008CN101291114A Power switching device
10/22/2008CN101291071A Electric inverter for direct grid connecting of wind power generation
10/22/2008CN101291068A Driving system for wind power generation of parallel net type with generated power totally monitored
10/22/2008CN101291057A Dynamic voltage compensator adopting 3 phase structure
10/22/2008CN101290510A Electricity-saving device control device
10/21/2008US7440299 Control of a MOS transistor as rectifying element
10/16/2008WO2008124808A2 Multi-phase interleaved oscillator
10/16/2008WO2008124225A1 Inductive load sensor for dimmer circuit
10/16/2008WO2008123839A1 Method for alternating voltage regulation
10/16/2008US20080253157 Method for Switching Low-Power Using Ac and System for Performing the Same and Power Supply for Using the System
10/16/2008DE102007016330A1 Intermediate circuit current determining method for e.g. electric motor, involves determining periodic check phase of electric rectifier, such that current value of intermediate circuit voltage is determined
10/16/2008CA2680343A1 Inductive load sensor for dimmer circuit
10/15/2008CN201134777Y Double-core duplex synchronization control AC generator
10/15/2008CN201134761Y Modular high-power high-frequency IGBT inversion electric plating power source
10/15/2008CN201134760Y Single-phase intelligent power-saving device
10/15/2008CN201134750Y Single-stage LLC series resonance AC/DC converter
10/15/2008CN101288219A Load resonant type power supply for ozonizer
10/15/2008CN101286709A Modulation method, software and circuit for output waveform of transformer
10/15/2008CN101286708A Converter-inverter apparatus
10/15/2008CN101286707A LED energy saving lamp of power factor compensation type driven by constant-current
10/15/2008CN100426645C Switch power supply circuit
10/15/2008CN100426644C Power converter
10/09/2008WO2008002566A3 High voltage power supply
10/09/2008US20080247211 Active generator control sequence
10/09/2008US20080246336 Current Fed Inverter with Pulse Regulator for Electric Induction Heating, Melting and Stirring
10/08/2008EP1978628A2 Converter-inverter apparatus
10/08/2008EP1977172A2 Air conditioner and control method thereof
10/08/2008CN201130909Y 可移动式岸电电源 Removable Shore Power
10/08/2008CN101282854A Multilevel converter and method of converting a supply voltage
10/08/2008CN101282091A Power supply for erosion of electric aluminum foil
10/08/2008CN101282090A Capacitance partial pressure DC voltage stabilizing power source
10/08/2008CN101282080A Power supply converter
10/07/2008USRE40528 Voltage fluctuation compensating apparatus
10/07/2008US7433212 System linking apparatus for generated electric power
10/07/2008US7433210 Switched-mode power supply comprising an adjustable oscillator
10/07/2008US7432616 Inverter device
10/07/2008CA2498630C Soft-switching half-bridge inverter power supply system
10/02/2008WO2008117166A2 Power converter apparatus and methods using neutral coupling circuits with interleaved operation
10/02/2008US20080239769 Device for transforming a primary ac voltage in a lower ac voltage for supplying an electrical load
10/02/2008US20080238196 Energy recycle system for use with ac current power supply
10/01/2008EP1976105A1 Active generator control sequence
10/01/2008EP1976103A2 Soft switching converter and method for its operation
10/01/2008EP1974449A2 Active rectification of alternator output without using a position sensor
10/01/2008EP1974448A2 Power supply
10/01/2008EP1974447A2 A method of regulating an ac signal
10/01/2008EP1444770B1 Electric motor drive
10/01/2008CN201127005Y Microcomputer-control silicon-controlled voltage-regulating DC high voltage constant power supply
10/01/2008CN201126979Y UPS system for transformer substation below 220kV voltage class
10/01/2008CN101278475A AC voltage output apparatus and hybrid vehicle including the same
10/01/2008CN101277569A Current balancing circuit which can be easy electrical connecting
10/01/2008CN101277072A Electric power transformation device and method
10/01/2008CN101277069A Induction power system
10/01/2008CN101277059A Electric power transformation device
10/01/2008CN101277029A Method for maintaining operation of coal supply machine frequency transformer when switching instantly electric power of
10/01/2008CN100423429C Power converter for electric servo control system
10/01/2008CN100423398C Ac power supply device
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