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 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
04/1999
04/06/1999US5892675 AC current source circuit for converting DC voltage into AC current
04/06/1999US5892674 Method and apparatus for power converting AC into DC or DC into AC by converter having common phase connection
04/06/1999US5892673 Robust, high-density, high-efficiency state sequence controller for an auxiliary resonant commutation pole power converter
04/06/1999US5892666 Push-pull switching power supply having increased efficiency and incorporating power factor correction
04/06/1999US5892664 Inverter for connecting a variable voltage power source to a utility grid
04/01/1999DE19728318C1 Dynamic suppression of DC current in single-phase transformer
03/1999
03/31/1999EP0905873A2 Controlled diode or body diode recovery circuit
03/31/1999EP0905872A1 Regulated high voltage DC power supply and its application
03/31/1999EP0719475B1 Driver circuit for bridge circuit employing a bootstrap diode emulator
03/31/1999CN1212498A Current converter
03/31/1999CN1212497A Power converter having multiple output voltage capability and method of operation thereof
03/30/1999US5889668 Three-phase DC-to-AC power inverter with three-level poles
03/30/1999US5889667 Quasi-resonant buck converter with soft switching
03/30/1999US5889666 Method and apparatus for controlling providing of conditioned AC power
03/30/1999US5889662 Method and apparatus for reducing harmonics mains-power-supply perturbations of a self-commutated multilevel inventor
03/30/1999US5889661 Power conversion apparatus, control method and uninterruptible power supply equipped with the apparatus
03/30/1999US5889380 Current command type PWM inverter apparatus for driving and controlling three-phase motor based on periodical state updating timings
03/30/1999US5889339 Controller and control device for a low-pressure fluorescent lamp
03/26/1999CA2218425A1 Led power supply system having a power factor controller and a multi-coil inductor device
03/25/1999WO1999014843A1 Harmonic neutralized voltage sourced inverter employing phase shifting interphase transformers
03/25/1999WO1998058438A3 Integrated complete bridge circuit with four transistors
03/25/1999DE19741300A1 Circuit arrangement to charge intermediate circuit condenser for converter containing at least one fan motor
03/24/1999EP0903843A2 Inverter
03/24/1999EP0903842A2 Power inverter with re-orientable display panel and AC port modules
03/24/1999EP0903841A1 Ac/ac converter
03/24/1999EP0903840A2 Power converter having multiple output voltage capability and method of operation thereof
03/24/1999EP0809876B1 Series-compensated converter station
03/24/1999CN1042686C Power source device
03/23/1999US5886889 Device and method for direct current power supply to a traction system by means of converters from different alternating current or direct current voltages
03/23/1999US5886888 Voltage source type power converting apparatus
03/23/1999US5886886 Voltage multiplier for a power supply unit of an electronic insect-killer device
03/23/1999US5886885 DC power unit and information processing apparatus with the DC power unit
03/23/1999US5886880 Power circuit for transferring energy by alternately switching winding circuits of a transformer at high speed
03/23/1999US5886516 Series resonant converter transformer assembly having integral inductor tank elements
03/23/1999US5886504 Throttle controlled generator system
03/23/1999US5886477 Driver of cold-cathode fluorescent lamp
03/23/1999CA2246840A1 Power converter having multiple output voltage capability and method of operation thereof
03/23/1999CA2114852C Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with automatic ambient over-temperature shutdown
03/18/1999WO1999013561A1 Low power rectifier circuit
03/18/1999WO1999013560A2 Precharging circuit for a capacitor connected to the output of a line-commutated power converter
03/18/1999WO1999013551A1 Three-phase dc-to-ac power inverter with three-level poles
03/18/1999DE19732218C1 Transformerless ac. inverter circuit, for coupling photovoltaic systems or wind generator systems, esp. in the low power range, to current networks
03/17/1999EP0902531A1 Switching power supply apparatus and controlling method for the same
03/17/1999EP0902530A2 Voltage converter
03/17/1999EP0901691A2 Control equipment for an active filter
03/17/1999CN1211158A Electromagnetic cooker
03/17/1999CN1211104A Motor driving apparatus having back-gate-floating MOSFET for avoiding reverse current
03/17/1999CN1042581C Power supply apparatus
03/17/1999CN1042580C Controlling apparatus of power exchanger with self blowout unit
03/16/1999US5883506 Power supply with voltage stabilizing control circuit
03/16/1999US5883502 Power rectifier circuit
03/16/1999US5883496 Electric vehicle power supply
03/16/1999US5883494 Charging apparatus
03/16/1999US5883489 High speed deep well pump for residential use
03/15/1999CA2237288A1 Voltage converter
03/11/1999DE19739553A1 Vorladeschaltung für einen am Ausgang eines netzgeführten Stromrichters angeschlossenen Kondensator Pre-charge a capacitor connected to the output of a line-commutated converter
03/10/1999EP0900474A1 Converter with modular construction
03/10/1999EP0900473A1 Drive device for roll stands
03/10/1999EP0900472A1 Inverter system
03/10/1999EP0900471A1 Air-cooled inverter in the megawatt range
03/10/1999EP0775383A4 Control circuit for cryogenically-cooled power electronics employed in power conversion systems
03/10/1999CN2310421Y High-efficiency wide-phase change bridge rectifying device
03/10/1999CN1210390A Sub-resonant series resonant converter having improved form factor and reduced EMI
03/10/1999CN1042483C Control system for single phase pulsation width modulation converter
03/10/1999CN1042482C Tranforming device and air conditioner using said device
03/10/1999CN1042481C Phase-shift trigger circuit for thyristor and integrate module of said trigger circuit and thyristor
03/09/1999US5880951 Capacitor-type power supply unit
03/09/1999US5880949 Soft switching power converter comprising means for correcting the median voltage of a capacitive voltage divider
03/09/1999US5880947 Control device for a PWM controlled converter having a voltage controller
03/09/1999US5880574 Control system for electric vehicle
03/09/1999US5880570 Method and apparatus for controlling a synchronous motor
03/04/1999DE19736903A1 Converter with rectifier, inverter and intermediate circuits
03/03/1999EP0899861A2 Power converter circuit
03/03/1999EP0899859A2 Intermediate voltage link inverter
03/03/1999EP0898808A1 Three-terminal power mosfet switch for use as synchronous rectifier or voltage clamp
03/03/1999EP0759224B1 Method for controlling the power to be transferred via a mains inverter
03/03/1999EP0729662B1 Converter connection with a balancing circuit
03/03/1999CN2309666Y Two-way power converter
03/03/1999CN1209684A Power-supply provider capable of synchronously and asynchronously change-over selecting
03/03/1999CN1209683A Rectifier circuit
03/03/1999CN1209681A Wave-shape continuously changing method in power changing technology
03/03/1999CN1209680A Improved low-power-consumption power-supply provider
03/03/1999CN1042382C Power converting system
03/03/1999CN1042315C Device for controlling speed of elevator
03/02/1999US5877950 Device for measuring currents in a converter
03/02/1999US5877601 Control system for electric vehicle and control method therefor in which an inverter relay is controlled at the time of its re-closing after being disconnected
02/1999
02/25/1999DE19838160A1 Switch over arrangement, e.g. for reluctance motor
02/25/1999DE19736612A1 Inverter
02/25/1999DE19730038C1 Switching energy feedback device for bridge circuit
02/24/1999EP0898360A1 Method for controlling a DC converter with an AC intermediate circuit and arrangement therefore
02/24/1999EP0898359A2 Inverter
02/24/1999EP0898358A2 Inverter
02/24/1999EP0808505A4 Cryogenic electronics power supply
02/24/1999CN1209222A Active rectifier having minimal energy losses
02/24/1999CN1042279C Low voltage DC frequency changer for vehicle
02/24/1999CN1042278C Low noise operation of a machine
02/23/1999US5875414 Method and apparatus for protecting switching element of inverter from being overheated
02/23/1999US5875107 Inverter apparatus
02/23/1999CA2102753C Method and apparatus for driving motor
02/18/1999WO1999008373A2 Voltage regulation scheme for power supply having a voltage-fed inverter
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