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)
11/1998
11/11/1998EP0877472A2 Rectifier modules with a bus bar system for power semiconductor switches
11/11/1998EP0759223B1 Controlled commutator circuit
11/10/1998US5835371 Bridge type power converter
11/10/1998US5835368 Power-factor improvement converter
11/10/1998US5835364 Harmonic eliminating PWM converter
11/10/1998US5835362 Power lead arrangement
11/10/1998US5835354 Compact modular structure for electrical converters
11/10/1998US5834924 In-rush current reduction circuit for boost converters and electronic ballasts
11/10/1998US5834910 Ac motor controlling apparatus
11/10/1998US5834907 Cold cathode tube operating apparatus with piezoelectric transformer
11/05/1998WO1998049765A2 Overvoltage protection circuit for smps based on demagnetization signal
11/05/1998DE19717309A1 Fluorescent lamp dimming circuit
11/04/1998EP0875985A2 High voltage generator with a high voltage unit
11/04/1998EP0875983A2 A power supply apparatus
11/04/1998EP0875089A1 Power supply system
11/04/1998CN2296598Y High efficiency energy saving incandescent lamp
11/04/1998CN1197711A Amplitude-modulated series-resonant inverting arc welding power source
11/04/1998CN1040599C Power supply device
11/03/1998US5831843 Pulse width modulation device for converting direct voltage into a three-phase alternating voltage
11/03/1998US5831842 Active common mode canceler
10/1998
10/29/1998WO1998048598A1 Method for dimming a fluorescent lamp arranged in the secondary circuit of a transformer and arrangement to implement said method
10/29/1998WO1998048506A1 Neutral-point inverter
10/29/1998WO1998048505A1 Multishaft power supply circuit of transistor inverter and unit circuit thereof
10/29/1998WO1998048504A1 Electrical plug
10/29/1998DE19717550A1 Flat bus=bar packet for transistorised rectifier apparatus
10/29/1998DE19716814A1 Current inverter for back=up voltage supply for computer and display screen
10/28/1998EP0874448A1 Multilevel power converting apparatus
10/28/1998EP0874447A2 Low inductance power converter
10/28/1998EP0732002B1 Rectifier bridge apparatus
10/28/1998EP0715780B1 Bridge rectifier circuit having active switches and an active control circuit
10/28/1998CN1197554A Low-loss power current inverter
10/28/1998CN1197325A Control device of d. c. dynamo driven by two-phase power line from a.c. electrified wire netting
10/28/1998CN1040472C Ground detecting method for inverter device
10/27/1998US5828564 Rectifier heat dissipation
10/27/1998US5828563 Single phase input hybrid rectification method employing auxiliary rectification
10/27/1998US5828561 Multi level power converter with self-correcting capacitor charge timing adjustment
10/27/1998US5828558 PWN controller use with open loop flyback type DC to AC converter
10/27/1998US5828204 Power supply with minimal dissipation output stage
10/27/1998US5828100 Insulated gate semiconductor device having trench gate and inverter provided with the same
10/27/1998CA2142618C Apparatus for carrying out current control for variable speed driver and method for carrying out current control therefor
10/23/1998CA2234017A1 Low-inductance converter
10/22/1998DE19750168A1 Semiconductor current supply driver circuit
10/22/1998DE19714538A1 Rapid-switching rectifier for controlling magnetic coil of brake or clutch
10/21/1998EP0872010A1 Device and method of supplying from an ac source
10/21/1998CN1196605A Power supplier with low-consumption of power
10/21/1998CN1196604A Electric-saving power supplier capable of quick reverting starting
10/21/1998CN1196596A Power generating device, method and clocking device
10/21/1998CN1040383C Electric power changing apparatus
10/20/1998US5825641 Circuit for sensing individual leg current in a motor controller using resistive shunts
10/20/1998US5825248 Low power consuming balanced transformer less amplifier device
10/20/1998US5825234 Switch-control integrated circuit
10/20/1998US5825214 Integrated circuit arrangement with diode characteristic
10/20/1998US5825152 Load-commutated synchronous motor drive
10/20/1998US5825146 Motor drive device
10/15/1998WO1998045867A2 Unit for switching electrical energy
10/15/1998WO1998045861A1 Subassembly for switching electric energy
10/15/1998DE19711434A1 Control circuit arrangement for DC motor connected to AC line supply
10/14/1998EP0871285A1 Feedback control system for producing PWM control signals
10/14/1998EP0870357A1 Active rectifier having minimal energy losses
10/14/1998EP0870288A1 Power supply input circuit for field instrument
10/14/1998EP0870220A1 Circuit for the production of an auxiliary voltage
10/14/1998CN2294541Y Automobile starting charger
10/14/1998CN1195959A Power supply device
10/13/1998US5822203 Method and device for limiting the current surge in a capacitor associated with a rectifier
10/13/1998US5822201 Double-ended inverter with boost transformer having output side impedance element
10/08/1998WO1998044623A1 Transformer type converter
10/08/1998WO1998043848A1 Pwm converter control apparatus
10/08/1998DE19811864A1 Redundante Steuerungsvorrichtung und Fehlererholungsverfahren für diese Redundant controller and error recovery procedures for these
10/08/1998DE19731691C1 Switched power amplifier for NMR imager
10/08/1998DE19711017A1 Electric power feeder for multistage gradient amplifier
10/07/1998EP0869605A2 Method of reducing retroactive effects on the profile of the current drawn from a network by inductive loads and motor drive device using this method
10/07/1998EP0869604A2 Method and device for controlling the frequency of inverters with hysteresis current controller
10/07/1998EP0869603A2 Regulating circuit
10/07/1998EP0869602A2 Power supply device
10/07/1998EP0577611B1 Inductive power distribution system
10/07/1998CN1195222A Regulating circuit
10/06/1998US5818709 Inverter apparatus
10/06/1998US5818708 High-voltage AC to low-voltage DC converter
10/06/1998US5818707 Simplified active power factor correction controller IC
10/06/1998US5818706 High-voltage generator with shielded measuring resistors
10/06/1998US5818669 Zener diode power dissipation limiting circuit
10/06/1998US5818281 Semiconductor circuit having turn-on prevention capability of switching semiconductor device during off cycle thereof by undesired transient voltages
10/06/1998US5818209 Bootstrap line power supply regulator with no filter capacitor
10/01/1998WO1998043346A2 Apparatus for generating an analog ac signal from dc voltage
10/01/1998WO1998043345A1 Power converter
10/01/1998WO1998043342A1 Voltage-stiff converter with high voltage cables of different poles arranged close to each other
10/01/1998WO1998043336A2 A plant for transmitting electric power including vsc (voltage source converter) and dc/dc converter
10/01/1998DE19711534A1 Method for regulating the continuous voltage of a current rectifier
10/01/1998CA2283661A1 A plant for transmitting electric power, including vsc-converter and dc/dc-converter
09/1998
09/30/1998EP0868028A2 Pulse width modulation circuit
09/30/1998EP0868016A1 Electric power transmission plant, including voltage source converter (VSC) with additional phase leg
09/30/1998EP0868015A1 A device for converting direct voltage into a three-phase alternating voltage through pulse width modulation
09/30/1998EP0868013A1 A voltage source converter (VSC) with low self inductance
09/30/1998EP0868000A1 A plant for transmitting electric power, with regulation of reactive power
09/30/1998EP0867998A1 A plant for transmitting electric power
09/30/1998EP0867899A2 Noncontacting power transfer apparatus
09/30/1998EP0867060A2 Electrical power supply with low-loss making-current limitation and step-up converter circuit
09/30/1998CN2293154Y High power inverter using power change switch module device
09/30/1998CN1194494A Constant coltage clamped forward switching voltage regulator
09/30/1998CN1194444A Non-contact type power transfer device
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