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)
11/2013
11/06/2013CN203278264U Wind power generator group energy transmission device
11/06/2013CN103384121A Magnetic-saturation intrinsically-safe power supply
11/06/2013CN103384120A Power supply device
11/06/2013CN103384119A Alternating current side energy-taking device and method for static var generator unit module
10/2013
10/31/2013WO2013127910A3 Power-supply system
10/31/2013US20130286692 Filter capacitor degradation detection apparatus and method
10/31/2013DE102012008626A1 Verfahren und Anordnung zur Fehlererkennung bei einem Vorladevorgang Method and apparatus for detecting faults in a precharge
10/30/2013EP2655871A1 A method of operating a wind turbine as well as a system suitable therefore
10/30/2013CN203261245U Frequency converter specialized for elevators
10/30/2013CN203261244U High-frequency switching power supply module
10/30/2013CN203261243U High-frequency and high-voltage power supply for industrial waste gas treatment
10/30/2013CN203261242U Induction-type voltage stabilizer main circuit with wide range of compensation
10/30/2013CN203261241U IGBT failure protecting structure used inside frequency converter
10/30/2013CN103378755A Power regeneration apparatus and power conversion apparatus
10/30/2013CN103378744A Power converter resonance detection apparatus and method
10/30/2013CN103378743A Converter control device and air conditioner including converter control device
10/30/2013CN103378742A 变流器系统及其控制方法 Converter system and control method
10/30/2013CN103378741A Filter capacitor degradation detection apparatus and method
10/30/2013CN102355151B Multi-functional grid-connected inverter and grid-connected inverter control method
10/30/2013CN102244466B Voltage sag generator
10/30/2013CN102158097B Energy feedback type power unit cascaded high voltage frequency converter
10/30/2013CA2814329A1 Filter capacitor degradation detection apparatus and method
10/30/2013CA2814326A1 Power converter resonance detection apparatus and method
10/29/2013US8572415 Storage system
10/29/2013US8570773 Power converter system and method
10/24/2013WO2013158605A1 Dual function solid state converter
10/24/2013WO2013057399A3 Low dc voltage supply for electronic communication devices
10/24/2013US20130279215 Assembly For Converting An Input AC Voltage To An Output AC Voltage
10/24/2013US20130279214 Power regenerative converter and power conversion apparatus
10/24/2013US20130279213 Power regeneration apparatus and power conversion apparatus
10/24/2013US20130279212 Dual function solid state converter
10/24/2013US20130279210 Power Conditioning Units
10/23/2013CN203251231U Driving system for vehicle run by cell
10/23/2013CN203251230U AC power supply device
10/23/2013CN103370534A Matrix converter device for wind-power electricity-generation, wind-power electricity-generation device, wind farm, and wind turbine manufacturing method
10/23/2013CN103368416A Long-distance direct-current feed system of underwater vehicle
10/23/2013CN103368411A Multi-phase variable-frequency power source
10/23/2013CN103368410A Traction converter
10/23/2013CN103368409A 功率转换装置 Power conversion means
10/23/2013CN103368408A Separated driving device
10/23/2013CN103368407A Power converter and integrated DC choke therefor
10/23/2013CN103368406A Power apparatus
10/23/2013CN103368403A Control device employed in a switched electrical power supply system
10/23/2013CN103368376A A denoising filter and a power converting device using the same
10/23/2013CN103368281A Resonant radio energy transmitting device with PFC (power factor correction)
10/23/2013CN101777826B Converter device and auxiliary circuit used for same
10/22/2013US8564997 Matrix converter space vector modulation method
10/22/2013US8564993 Switch control circuit, switch control method, power converter, and power conversion method for controlling conducting statuses of switch elements in bridgeless switching circuit
10/22/2013US8564991 Enhanced one cycle control for power factor correction
10/17/2013WO2013153571A1 Power conversion device
10/17/2013WO2013152910A1 Control transformer
10/17/2013US20130272038 Excitation control circuit, control method and electrically excited wind power system having the same
10/17/2013DE102012206323A1 Method for operating frequency converter for controlling three-phase electric motor, involves measuring measurement signal in form of current and/or voltage in reproduction circuitry and generating control signals depending on signal
10/16/2013EP2649306A2 A method of operating a wind turbine as well as a system suitable therefore
10/16/2013CN203243231U Coal mine underground non-power-frequency power electronic lighting power supply device
10/16/2013CN203243230U High-voltage rotor frequency converter preventing chopper from being damaged during inversion overturn process
10/16/2013CN203243229U Novel frequency converter of controlled rectifier
10/16/2013CN203243228U Three-output-end distributor circuit
10/16/2013CN203243227U High-current generator
10/16/2013CN103354424A Pre-current control system of indirect matrix converter
10/16/2013CN103354423A Variable frequency power supply used for iron-core magnetic property testing
10/16/2013CN102106069B Electric power converter
10/16/2013CN102084582B Direct-type converter and method for controlling the same
10/16/2013CN102013736B Wireless power feeder and wireless power transmission system
10/16/2013CN101678995B Power control of transport system, control method and intermediate circuit and electric power
10/15/2013US8559203 Power source apparatus with harmonic suppression
10/15/2013US8559198 High yield AC-AC power converter and method therefor
10/15/2013US8559197 Electrical control circuits for an energy converting apparatus
10/15/2013US8559193 Zero-voltage-switching scheme for high-frequency converter
10/10/2013WO2013150572A1 Power conversion device
10/10/2013WO2013149458A1 Ups power source based on phase-shifting auto-transformer and dual 6-pulse rectifiers
10/10/2013WO2013033801A3 Home appliance comprising an electric motor having at least two coils, method, system and use
10/10/2013WO2013007783A3 Method for operating several loads in alternating current networks with leading edge or trailing edge phase cutting
10/10/2013US20130265812 Matrix converter controlling apparatus
10/10/2013US20130265806 Intelligent power control unit for low voltage ride through and its application
10/10/2013DE112005001215T5 System und Verfahren zum Kühlen der Leistungselektronik einer Bergbaumaschine System and method for cooling the power electronics of a mining machine
10/09/2013EP2648325A2 Semiconductor power supply comparator
10/09/2013CN203233317U Traction converter for diesel locomotive
10/09/2013CN203233316U Converter for entertainment equipment
10/09/2013CN203233315U Alternating current power supply for simulating characteristics of power grid
10/09/2013CN203233314U Inverter for fluorescent lamp
10/09/2013CN203233313U Frequency converter specially for coal mine elevator
10/09/2013CN103348553A Charging an energy store
10/09/2013CN103348298A Stepping switch
10/09/2013CN103348131A A method of operating a wind turbine as well as a system suitable therefore
10/09/2013CN103346679A Clamping circuit
10/09/2013CN103346665A Alternating current and direct current hybrid power supply device
10/08/2013US8553376 Synchronous rectified PWM regulator with auto fault clearing
10/08/2013US8552692 Charger and discharger for secondary battery
10/08/2013US8552583 Power supply system and method including power generator and storage device
10/03/2013WO2013148221A1 Method and apparatus for phase-controlling a load
10/03/2013WO2013147933A1 Power conversion unit for use between ship and port power grid
10/03/2013WO2013146560A1 Frequency conversion device
10/03/2013WO2013145854A1 Electrical power conversion apparatus
10/03/2013WO2013143623A1 Method for operating a converter circuit
10/03/2013US20130258729 Medium voltage power apparatus
10/03/2013US20130258725 Systems and Methods for Balancing UPS Source Currents During Unbalanced Load Transient Conditions
10/03/2013US20130258721 Control device employed in a switched electrical power supply system
10/02/2013EP2645552A2 Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter
10/02/2013EP1244203B1 Power converter circuit for generators with dynamically varying outputpower
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