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