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)
06/1999
06/02/1999DE19751956A1 Conversion of AC high voltage into DC low voltage
06/02/1999CN2321533Y Automatically controlled constant-current high-voltage dc generator
06/02/1999CN1218328A Power inverter device
06/01/1999US5909366 Controller for power transducers
06/01/1999US5909365 Leakage current power supply
05/1999
05/27/1999DE19751797A1 Voltage supply for electric filter
05/26/1999CN2321165Y Power supply device of permanent-magnet material forming magnetic field
05/25/1999US5907483 Control system for power conversion system
05/25/1999US5907198 Trickle power supply
05/25/1999CA2183199C Soft switching three level inverter
05/20/1999WO1999025062A1 Auto-ranging power supply
05/19/1999EP0917412A2 Self-oscillating circuit with simplified startup circuit
05/19/1999CN2319957Y Single-phase a.c power supplied phase-shift rectifier
05/19/1999CN2319956Y Step boosting ultravoltage silicon rectifier power source
05/18/1999US5905647 Inverter with incorporated filter circuit and improved component cooling arrangement
05/18/1999US5905644 DC bus voltage controller
05/18/1999CA2254392A1 Free-running oscillator circuit with simple starting circuit
05/14/1999WO1999023750A1 Power converter
05/14/1999WO1999023748A1 Device and method for controlling converter and converter
05/14/1999WO1999023745A1 Pulse-controlled inverter with variable operating sequence and wind power plant having such an inverter
05/12/1999EP0915348A2 Ground fault detection and protection method for a variable speed ac electric motor
05/12/1999EP0914709A1 Power inverter with reduced switching frequency
05/12/1999EP0914708A1 Low stray interconnection inductance power converting module for converting a dc voltage into an ac voltage, and a method therefor
05/12/1999EP0914705A2 Overvoltage protection circuit for smps based on demagnetization signal
05/12/1999EP0806078B1 Power-supply circuit
05/12/1999CN2318783Y Four-grade thermalregulation control switch for heating pad
05/12/1999CN2318782Y Three-grade thermalregulation control switch for heating pad
05/12/1999CN2318753Y Silicon controlled commutating pulse trigger device
05/12/1999CN2318751Y Control device for crystall brake pipe medium frequency power source
05/12/1999CN1216670A Ballast circuit
05/12/1999CN1043394C Power converting circuit
05/11/1999US5903448 Four quadrant flyback converter, method of operation thereof and power plant employing the same
05/11/1999US5903066 Active interphase reactor for 12-pulse rectifier
05/06/1999WO1999022440A1 Three-level neutral point clamping inverter circuit
05/06/1999WO1999022439A1 Device for powering an ozonizer
05/06/1999WO1999022438A1 Auxiliary resonant dc tank converter
05/06/1999WO1999022437A1 Power converter
05/06/1999WO1999013560A3 Precharging circuit for a capacitor connected to the output of a line-commutated power converter
05/06/1999EP0913920A2 Switchting regulator having high current prevention features
05/06/1999EP0913919A2 Power converter
05/06/1999EP0913918A2 Five level high power motor drive converter and control system
05/06/1999EP0913917A2 Control device for selfexciting current source power converter
05/06/1999EP0913075A1 Rectifier set for high voltage device
05/06/1999DE19749945A1 Load equalising adjustment circuit for trigger and power switch circuit low voltage (LV) installations
05/05/1999CN2317578Y Multipurpose machine for repairing or testing
05/05/1999CN1216174A Circuit arrangement
05/04/1999US5900722 For producing a signal simulating a desired ac waveform
04/1999
04/28/1999EP0911958A1 Device for synchronous rectification of an alternator
04/28/1999EP0911951A1 A device for providing a voltage source converter (VSC) with voltage
04/28/1999EP0911950A2 High power motor drive converter system and modulation control
04/28/1999EP0769221B1 Load-commutated synchronous motor drive
04/28/1999CN2316765Y Single rangement vertical full-wave bridge-type rectistack
04/28/1999CN1215245A Frequency converter
04/27/1999US5898583 Gate drive latching circuit for an auxiliary resonant commutation circuit
04/27/1999US5898582 Device comprising a stack of thyristors and freewheel diodes
04/27/1999US5898579 Non-contact power distribution system
04/27/1999US5898577 Wireless transmitter
04/27/1999CA2111069C Control system for powering plural inductive loads from a single inverter source
04/22/1999WO1999019977A2 Converter/inverter full bridge ballast circuit
04/22/1999WO1999019974A2 Power loss reduction in power conversion circuitry
04/21/1999EP0910162A1 Transformer type converter
04/21/1999EP0910161A1 Power converter
04/21/1999EP0910159A2 Power supply control system
04/21/1999EP0909478A1 Voltage multiplier with an output voltage practically independent of the supply voltage
04/21/1999CN1214567A 多逆变器系统 Multi-inverter system
04/21/1999CN1043106C Circuit for driving half-bridge
04/20/1999US5896286 Power semiconductor module
04/20/1999US5896285 Apparatus for interconnection in voltage-stiff converter devices
04/20/1999US5896283 Controller for electric vehicle
04/20/1999US5896282 Inverter circuit and integrated uninterruptible power supply protection system
04/20/1999US5896281 Power conditioning system for a four quadrant photovoltaic array with an inverter for each array quadrant
04/20/1999US5896280 Frequency converter and improved UPS employing the same
04/20/1999US5896278 Non-contact electric power transmission apparatus
04/20/1999US5896257 Two sensor for over-current protection and current sensing configuration motor control
04/15/1999WO1999008373A3 Voltage regulation scheme for power supply having a voltage-fed inverter
04/15/1999DE19845569A1 Device and procedure especially for controlling 3-phase generator with rectifier bridge, for motor vehicle
04/15/1999DE19748479C1 AC current converter with variable pulse frequency
04/15/1999DE19745543A1 Circuit arrangement for changing frequency of AC bridge, for electronic ballast for fluorescent or low voltage halogen lamps
04/14/1999EP0909012A1 Modular support for the functional elements of a high-voltage power supply unit and unit thus obtained
04/14/1999EP0908001A1 Independent load sharing of ac power systems connected in parallel
04/14/1999EP0907998A1 Power pad/power delivery system
04/14/1999CN2314513Y Semi-bridge self exciting start exchangeable power supplier with overvoltage cut-off function
04/14/1999CN2314512Y Transistor ultraacoustic frequency power generator
04/14/1999CN1213887A U-shape inverter
04/14/1999CN1042995C Voltage source type electric converter
04/14/1999CN1042991C 整流器控制系统 Rectifier control system
04/14/1999CN1042990C Power converter protective appts.
04/13/1999US5894414 Three phase rectifier using three single phase converters and a single DC/DC converter
04/13/1999US5894396 Inrush current protection circuit
04/13/1999US5894184 Drive circuit for driving a piezoelectric transformer capable of decreasing heat developed from electronic parts composing an inverter circuit
04/13/1999CA2163848C Control of switching devices in synchronized-rectification system
04/08/1999WO1999017435A1 Thyristor phase-controlled voltage source converter
04/08/1999WO1999017434A1 Boosting active filter system and controller for boosting active filter
04/08/1999WO1999004475A3 Method and device for regulating alternating voltage
04/07/1999EP0907238A1 Multiplex pulse-width modulation power converter
04/07/1999EP0907236A2 Switched series regulator
04/07/1999EP0906846A1 Pwm converter control apparatus
04/07/1999EP0906651A2 Rotating electrical machine plants
04/07/1999CN1213484A High-frequency inverter and induction cooking device using the same
04/06/1999US5892676 Rectifier bridges assembly having improved heat dispersing characteristics and an arcing-free design
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