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)
09/2012
09/19/2012CN102684599A Mine anti-explosion frequency conversion device with low switching frequency
09/19/2012CN102684511A Wide-input voltage range arc power-supply device
09/19/2012CN102684510A Intelligent integrated unit module suitable for cascading high-voltage frequency converter
09/19/2012CN102684509A High-power three-phase triple direct-current chopping device
09/19/2012CN102684508A System and method for current sensing within a voltage regulator
09/19/2012CN102684507A Flyback switching power supply
09/19/2012CN101969268B Wind driven generator control system
09/19/2012CN101678778B Device and method for controlling a power shunt circuit, hybrid vehicle having same
09/19/2012CN101197503B Collection and transmission system
09/18/2012US8270186 Power conversion device
09/13/2012US20120230077 Automated Mechanical Disconnection of an Electrical Converter Module in a Frequency Converter Arrangement
09/13/2012US20120230067 Power converter
09/13/2012US20120230066 Photovoltaic powered system
09/13/2012DE102011013576A1 Method for optimal use of electric energy, involves making series and parallel resonant circuits to swing in response to power supplied from excitation current source
09/12/2012EP2498390A1 Power converter
09/12/2012CN202435302U Series inverter in modularized intermediate frequency induction electric furnace power supply
09/12/2012CN202435284U Mining modular frequency converter
09/12/2012CN202435283U Series energy storage capacitive circuit of mine intrinsically safe power supply
09/12/2012CN202435282U Wide voltage source of permanent magnet motor
09/12/2012CN202435281U Automatic voltage converting system based on singlechip
09/12/2012CN202435280U Intelligent electrical energy-saving equipment
09/12/2012CN202435269U Auxiliary power circuit of mid-voltage converter and mid-voltage converter
09/12/2012CN102668354A Method for operating an inverter circuit and device for carrying out said method
09/12/2012CN102668353A Power conversion device
09/12/2012CN102664538A High-power-factor dielectric barrier discharge power supply circuit
09/12/2012CN102664537A Single phase AC-AC (Alternating Current-Alternating Current) direct frequency convertor topological structure and control method thereof
09/12/2012CN102664536A Load resonant type power supply for ozonizer
09/12/2012CN102664535A Four-quadrant high-voltage variable-frequency speed regulating system topology based on MMC (modular multilevel converter) transformer without phase shift
09/12/2012CN102664534A Three-phase alternating current-alternating current (AC-AC) direct frequency converter topology structure and control method thereof
09/12/2012CN102664407A Method and system for designing boosting transformer of new energy electric field
09/12/2012CN102664094A Single-phase dry type converter transformer for suppressing polysilicon and voltage regulation way thereof
09/05/2012EP2495863A2 CMV reduction under BUS transient condition
09/05/2012EP2495862A2 Multilevel power converter or inverter arrangement using H bridges
09/05/2012EP2495861A2 Circuit and method for applying a three phase power source to a three phase load
09/05/2012EP2494688A2 Method for operating an inverter circuit and device for carrying out said method
09/05/2012CN202424542U Power supply circuit of variable-frequency microwave oven
09/05/2012CN202424541U 1000kW/1140V mineral explosion-proof 12-pulse power supply frequency conversion device
09/05/2012CN202424540U Power source for ozone generator
09/05/2012CN202424539U Medium pressure driving system
09/05/2012CN202424538U Parallel high-power high-frequency switching power supply system
09/05/2012CN202424537U Full-digitalization intelligent voltage stabilizer
09/05/2012CN202424536U Self-adaptive two-channel independent parallelable-serializable digital experimental power supply for transformers
09/05/2012CN202424535U Flexible frequency conversion device
09/05/2012CN202424534U Intelligent voltage-stabilizing control device for AC power supply
09/05/2012CN202410836U Frequency-variable intermediate-frequency power supply for electrostatic precipitation
09/05/2012CN1722594B Voltage supplying device for multiple output voltage
09/05/2012CN102013815B High-voltage DC converter transformer and connection method for on-load tap-changer thereof
09/05/2012CN101867301B No-high-frequency-conversion general frequency converter
09/05/2012CN101826803B Independent power supply module of liquid crystal display
09/05/2012CN101821932B Direct type AC power converting apparatus
09/05/2012CN101658066B Current fed inverter with pulse regulator for electric induction heating, melting and stirring
08/2012
08/30/2012US20120218801 Current-source power converting apparatus
08/30/2012US20120218789 Electrical Power Conditioner
08/30/2012US20120217153 Self-Tuning Power Supply
08/30/2012CA2827741A1 Ac/dc power conversion system and method of manufacture of same
08/29/2012EP2491649A1 Digitally controlled ac protection and attenuation circuit
08/29/2012EP2491410A1 Electrical appliance which can be supplied by an ac power network and fault detection method
08/29/2012CN202406358U Power supply with voltage conversion function
08/29/2012CN202406046U Medium frequency direct current power supply for chain resistance welding device
08/29/2012CN202406041U High-stability high-voltage direct current power supply
08/29/2012CN202406035U Welding current generating apparatus
08/29/2012CN202406034U 50 W high efficiency single stage flyback type light-emitting diode (LED) power source with power factor correction (PFC)
08/29/2012CN202406033U Wastewater treatment power supply
08/29/2012CN202406032U Voltage stabilizing circuit of high frequency voltage stabilizing UPS (Uninterrupted Power Supply)
08/29/2012CN202406031U Converter with parasite acquisition emergency power supply
08/29/2012CN202405797U Full-power wind power converter for electrically excited synchronous generator
08/29/2012CN202405796U Composite full-power wind power converter
08/29/2012CN202399934U Micro power consumed electric vehicle power system
08/29/2012CN102652464A Driver circuit for driving a load circuit
08/29/2012CN102651616A AC-AC power factor regulation booster circuit
08/29/2012CN102651393A Compound semiconductor device and method for manufacturing the same
08/29/2012CN102651315A Method of producing semiconductor device and semiconductor device
08/29/2012CN101888188B Apparatus and method for controlling power converter
08/29/2012CN101635513B Stand-by circuit
08/29/2012CN101419434B Capacitive switch power supply with low power consumption standby function
08/29/2012CN101373931B Method and apparatus for stabilizing voltage of intermediate circuit of frequency converter
08/28/2012US8253006 Method and apparatus to automatically match keys between music being reproduced and music being performed and audio reproduction system employing the same
08/23/2012WO2012111416A1 Matrix converter device for wind-power electricity-generation, wind-power electricity-generation device, wind farm, and wind turbine manufacturing method
08/23/2012WO2011134990A3 Switchless diac equivalent circuit
08/23/2012WO2009082066A3 Motor controller of air conditioner
08/23/2012US20120212983 Method for converting power for a high-voltage direct voltage connection
08/23/2012US20120212982 Cmv reduction under bus transient condition
08/23/2012DE102011012080A1 Stufenschalter Tap changer
08/23/2012DE102004003657B4 Stromrichterschaltungsanordnung und zugehöriges Ansteuerverfahren für Generatoren mit dynamisch veränderlicher Leistungsabgabe Converter circuit arrangement and associated method for driving generators with dynamically variable power output
08/22/2012CN202395669U ower supply circuit
08/22/2012CN202395668U Zero-harmonic output inverter circuit
08/22/2012CN202395667U Switch power supply circuit with small voltage output ripple
08/22/2012CN202395666U AC switch power source
08/22/2012CN202395665U Four-quadrant integrated drawer type power unit of medium-high voltage frequency converter
08/22/2012CN202395664U Frequency-tripling power supply generating device
08/22/2012CN202395663U Super-high-capacity single-phase bridge-type inverter adopting water-cooling heat radiating
08/22/2012CN202395660U Direct current (DC)-high voltage DC inverter circuit
08/22/2012CN102647098A Traction power supply device and control method of shared transformer
08/22/2012CN102647093A Novel dual power on-load voltage regulation rectifier transformer
08/22/2012CN102647092A Voltage regulating device for low voltage side of alternating-current power transmission and transformation
08/22/2012CN102647091A Voltage stabilizing device for low voltage side of alternating-current power transmission and transformation and voltage stabilizing control method thereof
08/22/2012CN102647090A Large-power power supply of double-power amplifier
08/16/2012WO2012107147A1 Charging an energy store
08/16/2012WO2012107077A1 Power supply system comprising a multiphase matrix converter and method for operating same
08/16/2012WO2011076827A3 Braking device for a universal motor
1 ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 ... 131