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)
08/2010
08/12/2010DE202010004898U1 Der energiesparende Drehtransformator mit mehreren galvanisch getrennten Unterspannungswicklungen The energy-saving rotary transformer with multiple galvanically isolated low-voltage windings
08/12/2010DE102004052454B4 Hochspannungsumrichter in Halbbrückenschaltung High-voltage converter in half-bridge circuit
08/12/2010CA2750962A1 A hybrid distribution transformer with ac & dc power capabilities
08/11/2010CN201550346U Electronic ballast fluorescent lamp with BED triode
08/11/2010CN201550319U High power LED lighting precision driver
08/11/2010CN201550029U Digital control type power converter for kitchen ranges
08/11/2010CN201550028U High power direct electric heating intermediate frequency power supply without harmonic pollution
08/11/2010CN201550027U Transformer voltage increasing and decreasing system
08/11/2010CN201549351U Combined transformer
08/11/2010CN101800483A Voltage converter
08/11/2010CN101800479A Intelligently-annealing power source control device
08/11/2010CN101800478A Cascade connection type power conversion device and power supply system
08/11/2010CN101800477A Tin oxide electrode single-phase control heating systemand application method thereof
08/11/2010CN101800123A High-frequency transformer of resistance welding machine
08/11/2010CN101442255B Three-phase/biphase coordinates conversion method for frequency changer
08/11/2010CN101409507B Method and apparatus for compensating dead zone of two-stage matrix converter based on carrier modulation
08/11/2010CN101378227B Power unit for cascade apparatus
08/11/2010CN101316073B Driving device and method
08/10/2010US7773397 Method and system of controlling a power inverter
08/05/2010WO2010086823A2 Dc/dc converter and ac/dc converter
08/05/2010WO2010086793A1 Winding connection to supply three-phase power from a two-phase feeding and 2x3 distribution transformer
08/05/2010WO2010086788A2 Converter for single-phase and three-phase operation, d.c. voltage supply and battery charger
08/05/2010DE102005011580B4 Elektronischer Leistungssteller Electronic Power Controllers
08/04/2010EP2214302A2 Motor drive control device
08/04/2010EP2212990A2 Power control
08/04/2010CN101796710A Direct type AC power converting device
08/04/2010CN101795082A Megawatt direct-drive wind power grid-connection soft-switching converter
08/04/2010CN101795081A Power electronic transformer having multi-winding isolation transformer
08/04/2010CN101795080A Three-phase power electronics transformer for power distribution
08/04/2010CN101795079A Power supply circuit and information processing apparatus
08/03/2010US7768480 Plasma display device and capacitive load driving circuit
07/2010
07/29/2010US20100188875 High Voltage and Frequency Distributed Power System
07/28/2010EP2211453A1 Induction Heating or Melting Power Supply Utilizing a Tuning Capacitor
07/28/2010EP2210335A1 A multi- volt age power supply for a universal airplane ground support equipment cart
07/28/2010CN101789703A High power variable frequency power supply device
07/28/2010CN101789702A Power conversion systems and methods for controlling harmonic distortion
07/22/2010WO2010082265A1 Power converting apparatus
07/22/2010US20100182810 Alternating-current power supply device
07/22/2010US20100182809 Apparatus, Systems, and Methods for Controlling Energy Converting Devices
07/22/2010DE102009004723A1 Netzteil Power Supply
07/21/2010EP2209180A1 Battery charger and method for its operation
07/21/2010CN201533252U Three-phase three-wire linear power supply circuit
07/21/2010CN201533245U Device capable of converting power-frequency power signals into optional-frequency electric signals
07/21/2010CN201533244U High-frequency power source device for evenly outputting multi-group currents
07/21/2010CN201533243U Alternating current drive system
07/21/2010CN201533075U Power supply socket, power supply plug and electrical device
07/21/2010CN1981425B Apparatus and methods for regulating delivery of electrical energy
07/21/2010CN101783597A Dynamic reactive compensation device based on direct current side active structure and amplitude adjustment control
07/21/2010CN101783596A Energy supply system and method of electronic type high-voltage electric mutual inductor
07/21/2010CN101394134B Three-phase digital time division balance large power AC welding power source
07/21/2010CN101166003B Electric tool and power supply power supply system using same
07/20/2010US7760527 Device and method for controlling an electric power converter
07/20/2010CA2577524C Power converter with active discharging for improved auto-restart capability
07/15/2010WO2010079478A1 Solid state voltage regulator
07/15/2010WO2010079234A1 Reconfigurable power converter module
07/14/2010EP2207248A2 Solar power plant
07/14/2010EP2206230A2 Inductive receivers for electrical devices
07/14/2010CN201528461U Electric ballast for a full-voltage high-power factor energy-saving lamp
07/14/2010CN201528392U Cable TV radio frequency amplifier with compatibility of 60V and 220V power supply
07/14/2010CN201528282U Active inverter controller
07/14/2010CN201528281U Diode clamp type tri-level frequency converter
07/14/2010CN201528280U Full power direct-drive type flexible grid-connection current transformer for wind turbine
07/14/2010CN201528279U Alternating-current power unit changing single phase into three phases
07/14/2010CN201528278U AC-DC-AC railway power supply installation
07/14/2010CN201528277U Signal output circuit working in a magnetic core saturation area
07/14/2010CN201527578U Optical fiber control device for high-voltage frequency converter based on single chip microcomputer and CPLD
07/14/2010CN101777842A Medium voltage frequency conversion power circuit system
07/14/2010CN101777841A Multiple synchronous four-quadrant high-voltage converting device
07/14/2010CN101777839A Switch power supply device applying piezoelectric transformer
07/14/2010CN101777826A Converter device and auxiliary circuit used for same
07/14/2010CN101777775A High-frequency isolation single-phase photovoltaic grid-connected system and control method thereof
07/14/2010CN101777770A Control circuit for voltage dropping type power factor corrector
07/14/2010CN101232254B Power transformer
07/08/2010US20100172168 Power system
07/08/2010US20100172162 Systems and methods for common-mode voltage reduction in fully regenerative ac drives
07/08/2010US20100172161 Systems and methods for common-mode voltage reduction in ac drives
07/07/2010EP2204901A1 Power conversion device
07/07/2010EP2204900A1 Power conversion device
07/07/2010CN201523327U Current converter capable of realizing high-voltage motor system energy feedback
07/07/2010CN201522550U Electrified ageing energy-saving device of LED lighting power source
07/07/2010CN101771356A UPS voltage compensation value-acquiring method and application thereof
07/07/2010CN101770248A Intermittent power supply micropower standby control circuit
07/06/2010US7751992 System of controlling and triggering a TRIAC and a method of controlling the triggering of a TRIAC
07/02/2010CA2696927A1 Tac 1400
07/01/2010WO2010049231A3 Device for feeding a consumer network with the electric power of a supply network
07/01/2010WO2010036666A3 Modular multi-pulse transformer rectifier for use in multi-level power converter
07/01/2010US20100165674 Power conversion systems and methods for controlling harmonic distortion
07/01/2010US20100164552 Ratio meter for temperature sensor
07/01/2010DE202010000374U1 Anordnung zur Zustandsüberwachung Arrangement for condition monitoring
06/2010
06/30/2010CN201517463U Special generation power supply device for sewage treatment field discharge port
06/30/2010CN101764525A Vector transducer with low electromagnetic interference
06/30/2010CN101764524A Intelligent electric saving manager with low power consumption and management method thereof
06/30/2010CN101306653B Traction power supply equipment based on PWM rectifier and control method
06/30/2010CN101249806B Modular energy feedback type traction power set and control method
06/24/2010WO2010069892A1 Matrix converter variable speed drive
06/24/2010WO2010069891A1 Variable speed device of the matrix converter type
06/24/2010DE112008001829T5 Dynamische Auswahl der Schwingungssignalfrequenz für Leistungswandler Dynamic selection of the vibration signal frequency for power converters
06/24/2010DE102008064079A1 Electrical circuit producing method for producing electrical energy in e.g. gas turbine-power plant, involves interconnecting two poles of intermediate circuit by adjustable resistor when intermediate circuit voltage increases
06/23/2010EP2198509A1 System for pre-charging a reservoir capacitor by means of a supply voltage and corresponding method
06/23/2010EP2198507A1 Variable control device
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