Patents for H02M 1 - Details of apparatus for conversion (33,954)
05/2008
05/22/2008US20080117657 Power conversion apparatus
05/21/2008EP1923555A1 Temperature protection in motor vehicle engine control units
05/21/2008EP1695434B1 Converter circuit with two partial converters
05/21/2008EP1299950B1 Method and device for a condition-dependent control of the transient behavior of power semiconductor switches
05/21/2008DE102007050844A1 Booster-Leistungsschaltkreis Booster power circuit
05/21/2008DE102006053321A1 Leistungsschalter-Schaltkreis in CMOS-Technologie, besonders geeignet zur Verwendung in einem DC-DC-Wandler Power switch circuit in CMOS technology, particularly suitable for use in a DC-DC converter
05/21/2008DE102006049715A1 Motor drive's power supply unit for use in area of e.g. living space, has switching power supply connected with supply voltage input with contacts of plug of wall power supply and with output voltage outputs by cable with motor drive
05/21/2008DE102006026256B4 Leistungsstufen-Schaltungsanordnung bzw. Verfahren zum Betreiben einer Leistungsstufen-Schaltungsanordnung Power stage circuitry and methods for operating a power stage circuitry
05/21/2008CN201063580Y Power-saving device for sewing machine
05/21/2008CN201063569Y Intelligent variable-frequency speed regulation device for oil pump
05/21/2008CN201063547Y Power commutation electric source of switch reluctance motor speed control system
05/21/2008CN201063543Y Full frequency AC-AC frequency converter
05/21/2008CN201063541Y High-frequency highly effective boosting DC/DC converter
05/21/2008CN201063539Y LLC series resonance converter protection circuit
05/21/2008CN201063537Y Power supply dedicated for DC-DC locomotive monitoring
05/21/2008CN201063536Y Power converter with active power factor emendation
05/21/2008CN201063535Y Single-stage power factor emendation convertor
05/21/2008CN201063534Y Soft starting and commutation integrated device for switch power supply
05/21/2008CN201063533Y Overcurrent self-locking bridge type driving circuit
05/21/2008CN201063532Y Noise suppression circuit of power supply module
05/21/2008CN201063531Y Power supply converting circuit and pulse width modulation controller
05/21/2008CN201063530Y Duplex power supply device for high voltage frequency converter control power supply
05/21/2008CN201063529Y Heat radiator
05/21/2008CN201063528Y Rubber shell of switch power source
05/21/2008CN201063527Y Large-power high-voltage frequency conversion inverter
05/21/2008CN201063526Y Large-power high-voltage frequency conversion commutator
05/21/2008CN201063525Y Cooling system of wind power generator frequency converter
05/21/2008CN201063524Y Split type DC voltage-controlled power source module
05/21/2008CN201063523Y Flashboard type controller case device for high voltage frequency converter
05/21/2008CN201063522Y Dustproof ventilator unit for low-voltage frequency converter
05/21/2008CN201063450Y Power supplier of DC motor machine tool
05/21/2008CN101185378A Fluorescent lamp driving apparatus, light emitting apparatus and liquid crystal television
05/21/2008CN101183850A Electricity-saving control method and device of frequency converter
05/21/2008CN101183834A Commutating device
05/21/2008CN101183833A Hot pipe technique based frequency conversion power unit
05/21/2008CN101183832A Numerical control stepless power regulation device with timing function
05/21/2008CN101183831A DC-DC converter, liquid crystal display device, aging test apparatus of liquid crystal display device, and method thereof
05/21/2008CN101183825A Switch power supply unit and IC for overload and saturation protection
05/21/2008CN101183824A Method and apparatus for pulse width modulation
05/21/2008CN100389534C Method of diagnosing inverter trouble
05/20/2008US7376182 Digital processor with pulse width modulation module having dynamically adjustable phase offset capability, high speed operation and simultaneous update of multiple pulse width modulation duty cycle registers
05/20/2008US7375989 AC/DC converter and method of modulation thereof
05/20/2008US7375722 Driving circuit and display device
05/20/2008CA2522128C Programmable peripheral power hub module
05/15/2008DE202008001968U1 Anordnungssystem Assembly system
05/15/2008DE102005019215B4 Ausgangsfilter für einen gepulsten Stromrichter Output filter for a pulsed power converter
05/14/2008EP1921737A2 Single-Phase converter circuit, converter apparatus and the refrigeration cycle apparatus
05/14/2008EP1921309A2 Method and arrangement in wind power plant
05/14/2008CN201061153Y Full power networking convertor for megawatt wind power generation
05/14/2008CN201061144Y Dynamic voltage compensator using three single-phase structure
05/14/2008CN201061129Y Electric power abnormity protective circuit
05/14/2008CN201060394Y Controller device for high voltage frequency converter
05/14/2008CN101179230A Method of compensating output current waveform distortion of soft switch three-phase PWM inverter
05/14/2008CN101179162A Power inverter connector having integrated current sensors
05/14/2008CN101178429A Electric potential displace method based on gate circuit transistor gate control
05/14/2008CN100388609C Driving device of synchronous rectifier transistor
05/14/2008CN100388607C Voltage converting method and voltage converting apparatus using large electrolytic condenser
05/14/2008CN100388606C Current/voltage converter
05/13/2008US7372684 Power supply device
05/08/2008WO2008052862A1 Feeding of output-side parallel connected bridge rectifiers with phase-shifted voltages from the secondary windings of at least one transformer
05/08/2008WO2008052509A1 Energy supply device for an electrical circuit
05/08/2008US20080106916 Switching power supply unit and method for setting switching frequency
05/08/2008US20080106320 Inverter Apparatus
05/08/2008DE19928809B4 Universelle Energieversorgungseinheit für unterschiedliche elektrische Kleingeräte Universal power supply unit for different electrical appliances
05/08/2008DE102007052017A1 Stromumrichterverbinder mit integrierten Stromsensoren Stromumrichterverbinder with built-in current sensors
05/08/2008DE102006052285A1 High-voltage power supply unit for producing electrical high voltage with specified rating, has regulating and control unit, and power unit and high-voltage part that are connected with one another by removable signal connecting units
05/08/2008DE102006050913A1 Monolithically integrated control circuit for use in power electronics system, has bottom- level shifter for transmission of signal from control logic to bottom drive unit and designed as arrangement of up and down level shifter branches
05/08/2008CA2668360A1 Feeding of bridge rectifiers, which are connected in parallel on the output side, with phase-shifted voltages from the secondary windings of at least one tranformer
05/08/2008CA2567462A1 Spike converter
05/07/2008EP1919064A2 Power supply circuit and control circuit for use in the same
05/07/2008EP1805879B1 Multi-phase network filter
05/07/2008CN201057634Y Three power level integrated intermediate and high voltage frequency convertor
05/07/2008CN101174801A Less-switch five-power level voltage source type inverter and control method thereof
05/07/2008CN101174796A Switching controller having synchronous input for the synchronization of power converters
05/07/2008CN101174788A Cut-out overvoltage protection circuit of electric voltage driving type power semiconductor device
05/07/2008CN101174787A Triangular wave control frequency anti-overlapping device
05/07/2008CN101174786A Passive cooling type power supply device capable of boosting cooling efficiency and manufacturing method thereof
05/07/2008CN100386962C Improved high-voltage large-power frequency converter
05/07/2008CN100386937C Power supply circuit and power supply control method therein
05/06/2008US7369386 Overcurrent protection for solid state switching system
05/06/2008US7368898 Power array system and method
05/06/2008US7368894 Method for reducing the cost of voltage regulation circuitry in switch mode power supplies
05/06/2008CA2343903C Controlling operation of an ac/dc converter
05/02/2008WO2008051499A2 Pwm modulator for scalable converters
05/02/2008WO2008050267A2 Power amplifier
05/02/2008WO2008049391A1 Electric circuit
05/01/2008US20080101099 Ripple Reduction for Switch-Mode Power Conversion
04/2008
04/30/2008EP1916047A1 Improved three stage power source for electric arc welding with unregulated inverter second stage
04/30/2008DE102006049228A1 Electromagnetic compatibility, durability, power dissipation optimizing method for inductive load's synchronized operation arrangement, involves controlling gate of free-wheel transistor, so that output voltage of transistor is small
04/30/2008CN201054850Y Electronic transformer for halogen lamp
04/30/2008CN201054568Y A ground circuit for restraining electromagnetic interference from power
04/30/2008CN201054552Y IGBT direct serial connection breaking high-voltage converter
04/30/2008CN201054551Y IGBT direct serially connected feedback high-voltage converter
04/30/2008CN201054550Y IGBT direct serially connected high-voltage converter
04/30/2008CN201054546Y High-voltage frequency converter for calibration circuit
04/30/2008CN201054545Y Middle power multi-channel output thin switch power supply
04/30/2008CN201054543Y An industrial frequency converter
04/30/2008CN201054307Y A power control panel and its protection coverage board
04/30/2008CN101171739A Driving apparatus for voltage-driven semiconductor device
04/30/2008CN101171738A Phase control