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)
05/2010
05/26/2010CN101257258B Switch power circuit
05/26/2010CN101253675B Converter circuit comprising distributed energy storage
05/26/2010CN101202494B Device and method for auto linear error compensating of electric voltage /frequency converter
05/26/2010CN101180785B variable frequency drive and its operation method
05/26/2010CN101179255B H-bridge inverter of AC motor
05/26/2010CN101170281B Ultrasonic bar electric controlled system
05/25/2010US7724554 DC-AC converter and controller IC thereof
05/25/2010US7724548 Control methods for pulse width modulation (PWM)
05/25/2010CA2568067C System and method for cooling the power electronics of a mining machine
05/19/2010EP2187516A1 Circuit arrangement of parallel power regulation devices for equal allocation of the input power supplied by the AC network
05/19/2010EP2187496A1 SMES apparatus, interface device for SMES and driving method therefor
05/19/2010CN201479425U LED power driver
05/19/2010CN201479020U Control parameter optimization control system for crude oil dehydration power supply
05/19/2010CN201479019U Microcomputer controlled uninterrupted multi-output power cabinet
05/19/2010CN201479018U IGBT direct-current power source for single crystal silicon furnace
05/19/2010CN201479017U Static zero power safety energy-saving control device
05/19/2010CN201479016U Stand-by safe energy-saving conversion device with ultralow power consumption
05/19/2010CN201479015U Stand-by safe energy-saving control device with ultralow power consumption
05/19/2010CN201479014U Power supply device
05/19/2010CN201479013U Magnetic saturation power supply
05/19/2010CN101711454A Integrated wind turbine controller and inverter
05/19/2010CN101710790A Method and circuit for realizing isolation of alternating current and direct current of double inverse uninterruptable power supply
05/19/2010CN101710789A Megawatt-level permanent magnet direct-drive wind-force generating converter and control method
05/19/2010CN101710788A Method for upgrading voltage of low-voltage power boost energy saving and power transformation and distribution circuit
05/19/2010CN101710787A Generation method and device of sine wave heavy current
05/19/2010CN101291057B Dynamic voltage compensator adopting 3 phase structure
05/19/2010CN101204003B Power conversion control device, power conversion control method
05/19/2010CN101151790B Matrix converter and its operation method
05/19/2010CN101001050B Power converter control method and control system
05/18/2010US7718883 Complete orchestration system
05/14/2010WO2010052188A1 Device for feeding a consumer network with the electric power of a supply network
05/13/2010US20100118570 Matrix converter
05/13/2010US20100118569 Power conversion system
05/13/2010US20100118568 Low-Voltage Harmonic Filter for Full-Scale Converter Systems
05/12/2010EP2184843A1 Direct type ac power converting device
05/12/2010EP2183849A1 Igbt/fet-based energy savings device, system and method
05/12/2010DE102008054086A1 Offset angle between the connection voltage of a current direction unit and an external mains synchronizing voltage is established by measured current components
05/12/2010CN201467522U Dynamic energy-saving illumination power supply device
05/12/2010CN201466984U Primary fan special-purpose rapid packing high voltage transducer for mine
05/12/2010CN201466983U High-efficient movable two-way power supply trolley based on super capacitor
05/12/2010CN201466982U low-voltage non-harmonic frequency converter
05/12/2010CN201466981U Heat pipe type efficient wind power frequency converter module
05/12/2010CN201466980U Brake unit and power unit integrated power module
05/12/2010CN201466979U Power saving protection device comprising filtering compensation type and voltage regulation type power saving devices
05/12/2010CN201466978U Capacitance voltage reduction motor feed circuit
05/12/2010CN201466977U Current transforming device of open type thyristor building-block structure unit
05/12/2010CN201465775U Rectifying transformer for main modulation common box separating assembly graphitizing furnace
05/12/2010CN201462724U Novel LED road lamp
05/12/2010CN1992496B Control structure of double-fed AC-DC-AC converter for wind power generation
05/12/2010CN1969450B Air conditioner
05/12/2010CN1653678B Inverter apparatus
05/12/2010CN101203995B Power system with redundant power supply apparatus
05/12/2010CN101123400B Power converter and its control method
05/12/2010CN101098107B High-voltage frequency converter of power unit series
05/12/2010CN101001495B Semi-bridge type cold cathode tube drive device
05/11/2010US7715215 Control of an AC-to-DC power supply assembly fed by a three-phase AC source
05/06/2010WO2010049231A2 Device for feeding a consumer network with the electric power of a supply network
05/06/2010US20100109328 Converter control of variable-speed wind turbines
05/06/2010CA2684256A1 Power converter and power conversion method with reduced power consumption
05/05/2010CN201450656U Circuit of cold cathode fluorescent energy-saving lamp
05/05/2010CN201450654U 医用无影灯电子镇流器 Medical shadowless lamp electronic ballast
05/05/2010CN201450450U Electronic transformer with low electromagnetic radiation
05/05/2010CN201450291U Intelligent integrated AC distribution box
05/05/2010CN201446349U Electric welding machine integrating electric welding with butt welding
05/05/2010CN1602572B Uninterruptive power source apparatus
05/05/2010CN101702863A Frequency-modulation electronic ballast for dimmable fluorescent lamp
05/05/2010CN101702583A Method for controlling direct-drive wind power generation convertor
05/05/2010CN101702582A Wind power generation device based on multi-phase generator and cascade connection type current transformer
05/05/2010CN101702581A Home-use 2000w constant voltage and constant frequency regulator
05/05/2010CN101702580A Hydroelectric generation transformer
05/04/2010US7710748 AC/DC converter comprising plural converters in cascade
05/04/2010US7710058 Motor drive architecture for high frequency AC bus
04/2010
04/29/2010US20100104313 Power source device and image forming apparatus
04/29/2010US20100102762 Power converter
04/29/2010DE102006053797B4 Wechselstromsteller für elektromagnetische Schaltgeräte AC power controller for electromagnetic relays
04/28/2010EP2180588A1 Switch assembly and method for controlling illumination assemblies with AC feed
04/28/2010CN201444717U Energy saving lamp with ultrahigh frequency and high power factor
04/28/2010CN201444618U High-frequency power supply for ozone generator
04/28/2010CN201444617U Electromagnetic voltage-stabilizing and electricity-saving device
04/28/2010CN101699739A Novel frequency converter
04/28/2010CN101699738A 6k/10kV level star-delta transformation dual-purpose transformer
04/28/2010CN101699737A Controlled reactor-based series voltage control device of circuit
04/28/2010CN101699736A Static power supply of retractable cable
04/27/2010US7706161 Single stage resonant power converter with auxiliary power source
04/22/2010WO2010044455A1 Ac-ac direct power converter
04/21/2010EP2178201A1 Method and control system for reforming a feed AC voltage into a consumer supply voltage with adjustable effective value
04/21/2010EP2178199A1 Direct power converter
04/21/2010CN1853335B Pwm cycle converter
04/21/2010CN1478319B Phase current detector
04/20/2010US7701740 Apparatus for three phase PWM cycloconverter
04/20/2010US7701149 Multiphase voltage sources driven AC—LED
04/15/2010US20100091534 Matrix converter space vector modulation method
04/15/2010US20100091529 Electrical energy converter
04/15/2010DE102009014495A1 Electrical drive system for production machine, particularly servo press, has electric motor and frequency converter for frequency-variable feeding of electric motor
04/15/2010DE102008037449A1 Windenergieanlage Wind turbine
04/15/2010CA2739294A1 Universal power inlet system for power distribution units
04/14/2010EP2174410A1 Control arrangement of an electric motor
04/14/2010CN201438778U Xenon lamp stabilizer module applicable to mains electricity
04/14/2010CN201438290U Power supply system with local load lines
04/14/2010CN101695213A Electronic ballast for full-voltage high-power factor energy-saving lamp
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