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)
05/2011
05/12/2011WO2011054194A1 Static power supply for retractable cables
05/12/2011WO2008110964A3 Controlling a power of an electrical motor
05/11/2011EP2320550A1 Power transformer and power converter incorporating same
05/11/2011EP2320548A2 DC bus boost method and system for regenerative brake
05/11/2011EP1964256B1 Method for controlling a polyphase voltage inverter
05/11/2011CN201830511U High-frequency electronic transformer for low-voltage high-power light emitting diode (LED) spot lamp
05/11/2011CN201830150U Voltage and current source of relay protection measurement instrument
05/11/2011CN201830149U Intelligent motive power electricity-saving device
05/11/2011CN201830148U Four-quadrant converter circuit
05/11/2011CN201830147U Output frequency stabilization device of variable frequency power source
05/11/2011CN201830146U Voltage-regulating circuit for dust removing equipment
05/11/2011CN1846343B Method and apparatus for detecting faults in AC to AC, or DC to AC power conversion equipments
05/11/2011CN102056829A Power supply apparatus and power supply arrangement
05/11/2011CN102055359A Multi level converter having at least five DC voltage levels and ups comprising the same
05/11/2011CN102055357A Switch power supply controller circuit and switch power supply system
05/11/2011CN102055354A Alternating current-direct current (AC-DC) converter and frequency converter
05/11/2011CN102055348A Voltage reducing power electronic transformer for distribution network
05/11/2011CN102055347A Modular multilevel converter (MMC)-based transformer-free four-quadrant high-voltage variable frequency power supply topological structure
05/11/2011CN102055346A Switch power supply circuit
05/11/2011CN102055345A Frequency converter for digital generator set
05/11/2011CN102054830A Power semiconductor module and method for driving the same
05/11/2011CN102053230A Electrified, aging and energy-saving device for LED (light-emitting diode) lighting source
05/10/2011US7940539 Single-phase full bridge boost converter systems and methods
05/10/2011CA2474137C Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
05/05/2011WO2011052364A1 Power conversion device
05/05/2011US20110103106 Power conversion device
05/05/2011US20110103105 Power transformer and power converter incorporating same
05/04/2011EP2317638A1 Direct conversion device, method for controlling same, and control signal generation device
05/04/2011EP2317637A1 Circuit device for driving an AC electric load
05/04/2011EP2137810B1 A control system for a compressor actuated by an electric motor
05/04/2011EP1715557B1 Power converter
05/04/2011CN201821274U High voltage frequency converter with DC voltage-adjustable power units
05/04/2011CN201821273U Frequency converter with voltage and frequency adjusted separately
05/04/2011CN201821272U Three-wire dimmer
05/04/2011CN201821271U Voltage conversion device
05/04/2011CN102047767A High-voltage discharge lamp lighting device and lighting fixture
05/04/2011CN102047547A Method and system for reducing switching losses in a high-frequency multi-cell power supply
05/04/2011CN102047546A Ac voltage control device
05/04/2011CN102047545A Control device for matrix converter and output voltage generating method thereof
05/04/2011CN102045933A Electronic ballast of high-pressure gas discharge lamp
05/04/2011CN102044974A Main circuit topological structure of energy feedback device
05/04/2011CN102044973A Diode clamping three-level frequency converter
05/04/2011CN101409959B Intelligence control circuit for quasi-resonance electromagnet water heater
05/04/2011CN101214644B Frequency conversion electric tool
05/04/2011CN101199236B Induction heating apparatus
04/2011
04/28/2011WO2011048719A1 Power semiconductor module
04/28/2011WO2011047784A1 Electrical appliance which can be supplied by an ac power network and fault detection method
04/27/2011EP2315345A2 Grid fault ride-through for current source converter-based wind energy conversion systems
04/27/2011EP2313965A1 Power supply with accurate energy measurement
04/27/2011CN201813318U Power-saving device
04/27/2011CN201812654U Switch power supply transformer for voltage driving type power module
04/27/2011CN201811036U Illumination light source module
04/27/2011CN102035402A Integrated gate-commutated thyristor (IGCT)-based hybrid cascaded H-bridge multi-level high-voltage inverter
04/27/2011CN102035401A Fully-controlled bridge topology structure for medium and high voltage motor drive
04/27/2011CN102035400A Ground power supply system of motor train unit
04/27/2011CN102035399A Processing methods for separately adjusting voltage and frequency of frequency converter
04/27/2011CN102035398A Direct converter and system comprising such a direct converter
04/27/2011CN102035397A Frequency converter
04/27/2011CN102029926A Standardized current conversion device of electric vehicle and distributed power source
04/27/2011CN101630916B Transformer on-load voltage regulating device and method therefor
04/21/2011WO2011008567A3 Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance
04/21/2011US20110090719 Rf isolation for power circuitry
04/20/2011CN201805357U Power supply device capable of using single-phase alternating current power supply to generate three-phase alternating current power supply
04/20/2011CN201805356U Voltage regulation type rectifier transformer
04/20/2011CN102025282A Power control circuit and electronic device provided with same
04/20/2011CN102025281A Cuk-converter-based high-frequency isolated three-level alternating current (AC)-AC converter
04/20/2011CN101599704B Space vector modulating method for reducing narrow-pulse phenomenon of matrix converter
04/20/2011CN101594060B Switch change-over unit redundancy high-voltage frequency converter and control method thereof
04/20/2011CN101594058B High-voltage transducer with redundant structure of N+1 unit and control method thereof
04/20/2011CN101494422B Variable input gain device and method for processing analog input voltage signal by the device
04/20/2011CN101369780B Unit bypass apparatus and control method of unit cascading high voltage frequency converter
04/20/2011CN101282854B Multilevel converter and method of converting a supply voltage
04/19/2011US7929323 Method and apparatus for pre-charging power converters and diagnosing pre-charge faults
04/19/2011US7929322 Voltage sag generator device
04/14/2011WO2011022442A9 Power conversion with added pseudo-phase
04/14/2011DE102009025504A1 Method for regulating electrical circuit, involves providing circuit with series circuits, which are connected in parallel to each other
04/14/2011DE102004040228B4 Fahrzeug mit Elektroantrieb Electric vehicle
04/13/2011EP2309634A1 Power converter employing normally on fets
04/13/2011EP2309633A1 Electric power converter
04/13/2011EP2308163A1 Circuit arrangement and method for controlling the power consumption of illumination systems having an alternating current supply
04/13/2011CN201797450U Dual-Boost inversion pre-stage high-frequency link matrix three-phase four-leg converter
04/13/2011CN201797443U Intelligent power module
04/13/2011CN201796715U High-frequency transformer for resistance welding
04/13/2011CN1961473B System and method for controlling a variable speed drive
04/13/2011CN102017383A Wind energy plant having converter control
04/13/2011CN102013872A Dynamic braking for current source converter based drive
04/13/2011CN102013815A High-voltage DC converter transformer and connection method for on-load tap-changer thereof
04/13/2011CN102013814A Single quadrant high-pressure frequency converter topology structure without transformer
04/13/2011CN102013813A Four-quadrant high pressure frequency converter topology structure without transformer
04/13/2011CN102013812A Method for realizing high-voltage line communication by high-frequency iron core mutual inductor
04/13/2011CN102013811A Circuit for transferring two-phase alternating current (AC) signal into three-phase AC signal
04/13/2011CN102013736A Wireless power feeder and wireless power transmission system
04/13/2011CN101582644B Phase-control compensation-type alternating current voltage stabilizing and regulating device and voltage compensation method thereof
04/13/2011CN101404458B Non-circular current control method for AC-AC frequency converter
04/13/2011CN101325393B Transmission system for engineering machinery
04/13/2011CN101207337B Current measuring arrangement and method of a frequency converter
04/13/2011CN101030733B Multi-level power converter of light unit cascade
04/12/2011US7924586 Substrate for AC/AC multiple-phase power converter
04/12/2011US7924134 Inductor packaging for power converters
04/07/2011WO2010032761A8 Power converter, manufacturing method thereof and direct matrix converter
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