Patents for H02M 1 - Details of apparatus for conversion (33,954)
01/2010
01/06/2010CN100578901C Current source coupled type high voltage thyristor valve group triggering unit
01/05/2010US7643323 Power converter
01/05/2010US7643317 Power converting device and method for controlling the same
01/05/2010US7643312 Method and apparatus for a wireless power supply
01/05/2010US7643304 Filter apparatus and frequency converter to which the filter apparatus is connected
12/2009
12/31/2009US20090323382 Adapter connection structure
12/31/2009US20090323376 Semiconductor device, integrated circuit including the semiconductor device, control ic for switching power supply and the switching power supply
12/31/2009DE202009013362U1 Filter und Anordnung mit einem Filter bei einem Frequenzumrichter Filter and assembly with a filter at a frequency
12/31/2009DE102008019487A1 Drive operating method, involves dissipating heat of power semiconductor to environment by cooling body, and modulating pulse width modulation frequency with signal from audible frequency range
12/31/2009DE102007012699B4 Verfahren und Anordnung zur Oberwellenunterdrückung bei wechselspannungsbetriebenen PTC-Heizern Method and arrangement for harmonic suppression in AC-operated PTC heaters
12/30/2009WO2009157080A1 Power supply unit
12/30/2009WO2009156891A1 Switch mode power supplies
12/30/2009EP2139103A2 Vibration filter
12/30/2009CN201374807Y Sound-box device electrified by high-frequency electronic transformer and provided with amplifier
12/30/2009CN201374653Y Power adjuster of fuel battery
12/30/2009CN201374649Y Power supply circuit and air conditioner provided with same
12/30/2009CN201374644Y Flat package power factor corrector
12/30/2009CN201374643Y Control device applied to three-phase boost AC-DC converter with unbalanced input
12/30/2009CN201374642Y Super-capacitance vehicular electronic rectifier
12/30/2009CN201374641Y Anti-electromagnetic interference circuit structure of large-screen liquid crystal television
12/30/2009CN201374640Y Silicon rectifying control device capable of realizing linear optical coupling control effect
12/30/2009CN201374487Y Electronic device with a power supply device
12/30/2009CN201374331Y Automotive rectifier bridge with press-fit diode
12/30/2009CN101615842A Electric and electronic power unit module
12/30/2009CN101615841A PWM modulation circuit
12/30/2009CN101615840A Resonance circuit with narrow operation frequency range and resonant type power converter
12/30/2009CN100576710C Device and method for controlling an electric power converter and converter with such device
12/30/2009CN100574955C Inversion submerged arc welding electric power main circuit topological structure
12/29/2009US7639518 Device and method for controlling power converting device
12/29/2009CA2618795C System and method for powering a load
12/24/2009US20090316459 Electrical timer system that automatically operates over different supply voltages
12/24/2009US20090316451 Apparatus providing protection for power converter
12/24/2009US20090316450 Power supply device with system switch circuit
12/24/2009US20090316449 Inverter and method for controlling output frequency of inverter
12/24/2009US20090316448 Power inverter circuit for adjusting symmetry of the ac-voltage without load-coupling
12/24/2009DE202009009856U1 Aktive Droop-Strom-Aufteilung Active Droop current division
12/24/2009DE202009009855U1 Hinzufügen und Entfernen von Phasen bei der Stromaufteilung Adding and removing phases in the current distribution
12/24/2009DE102009003206A1 Vorrichtung zum Detektieren eines Betriebszustands eines Leistungshalbleiterbauelements An apparatus for detecting an operating state of a power semiconductor component
12/24/2009DE102008027584B3 Housing for e.g. inverter for accommodating isolatable semiconductor switch, has U-shaped wall formed as double wall in area of side pieces and partition wall in which radial fan is arranged
12/23/2009WO2009155377A2 Electricity efficiency improving apparatus
12/23/2009WO2009154985A2 Power supply with standby power
12/23/2009WO2009154545A1 A switch mode converter and a method of starting a switch mode converter
12/23/2009WO2009153965A1 Gate drive technique for bidirectional switches and power converter that uses the same
12/23/2009WO2009153915A1 Motor control apparatus
12/23/2009WO2009152849A1 A power apparatus for a high voltage electrical power system
12/23/2009WO2009152600A1 Method and apparatus for converting direct current into an alternating current
12/23/2009EP2136465A1 Inverter realized by a bridge circuit comprising slow and fast clocked switches
12/23/2009EP2136463A2 AC-DC circuit converter with very broad AC entry voltage range
12/23/2009CN201369680Y Efficient uninterrupted power supply circuit
12/23/2009CN201369679Y Electronic transformer for electric power line
12/23/2009CN201369669Y Three-phase active PFC voltage regulating and current equalizing circuit
12/23/2009CN201369668Y IGBT driving circuit driven by optical fiber through isolation
12/23/2009CN101611536A AC/DC power conversion device using magnetic energy recovery switch
12/23/2009CN101610035A Square wave output ringing current electric power source device
12/23/2009CN101610027A Electromagnetic interference suppression circuit for correcting power factor
12/23/2009CN101610026A Protective circuit for balanced circuit of power converter
12/23/2009CN101610025A Control method of switching power supply with low ripple being capable of absorbing current
12/23/2009CN101610024A Frequency generator with frequency jitter and PWM controller with frequency jitter
12/23/2009CN100574578C Vibration-damping structure of electronic device
12/23/2009CN100574090C Electric power conversion apparatus
12/23/2009CN100574073C Switch adjuster
12/23/2009CN100574064C Low-frequency ripple suppression circuit for voltage output of switching power transformer in limited current state
12/23/2009CN100574063C Crowbar circuit, Inverter protector, method for controlling and protecting inverter bridge
12/23/2009CN100574062C Method of optimization for power electronic circuit based on ant colony algorithm
12/23/2009CA2727904A1 A power apparatus for a high voltage electrical power system
12/22/2009CA2280383C Control arrangement and method for power electronic system
12/17/2009WO2009149755A1 A plant for transmitting electric power
12/17/2009WO2009149750A1 A plant for transmitting electric power
12/17/2009WO2009053639A8 Method of controlling of a switched-mode power supply and corresponding power supply
12/17/2009US20090310389 Method and apparatus providing a multi-function terminal for a power supply controller
12/17/2009US20090309425 Electromagnetic noise suppression system for wye power distribution
12/17/2009DE102008034312A1 Voltage intermediate circuit-converter i.e. traction converter, for e.g. rail car, has short circuit unit connected with connection of phase of main-lateral static inverter and with negative busbar of voltage intermediate circuit
12/17/2009DE102008032317A1 Power supply device for control electronics of converter, has switching unit switching reversibly between primary circuits of transformer according to voltage, such that one of primary circuit is activated
12/17/2009DE102006014898B4 Vorrichtung zum Steuern einer gesteuerten Variablen durch EIN/AUS-Schaltoperationen mit weniger Rauschen An apparatus for controlling a controlled variable by ON / OFF switching operations with less noise
12/17/2009CA2727370A1 A plant for transmitting electric power
12/17/2009CA2727367A1 A plant for transmitting electric power
12/16/2009EP2132867A1 Digital pulse-width modulator based on non-symmetric self-oscillating circuit
12/16/2009CN201365205Y Gate-controlled rectifier
12/16/2009CN201365204Y Single-stage and single-phase AC-DC converter based on LLC series resonance
12/16/2009CN201365202Y High-power audio switch power supply
12/16/2009CN201365191Y Power supply unit capable of providing various supply voltage
12/16/2009CN201365190Y Alternating current load driving circuit with high power factor
12/16/2009CN201365189Y Detachable ventilating filter device of high voltage inverter
12/16/2009CN201365188Y Totally sealed water-cooling type rectifying power supply device for processing metal surface
12/16/2009CN201365120Y Overload protection circuit for switching transistor
12/16/2009CN201365009Y Adjustable power transformer
12/16/2009CN201365008Y Detachable power transformer
12/16/2009CN201364630Y Portable ultrasonic wave annunciator
12/16/2009CN101606307A Semiconductor power conversion device
12/16/2009CN101604920A Circuit for a power supply unit for generating a DC voltage
12/16/2009CN101604915A Switch type power supplying device with output current limit and controller
12/16/2009CN101604913A Bridgeless pfc power converter
12/16/2009CN101604910A Power factor correction circuit
12/16/2009CN101604909A Starting circuit for direct-current switch power supply
12/16/2009CN101604908A Discontinuous current strangulation protection method of transducer
12/16/2009CN101604907A Over-current protective device used for current supply device and relevant current supply device
12/16/2009CN101604906A Triangle wave generator and switching regulator
12/16/2009CN101604905A Electricity-saving device
12/16/2009CN101604904A Interactive power supply capable of improving light-load efficiency
12/16/2009CN101604172A Voltage control method based on phase-lock loop of decoupling multi-coordinate system