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)
07/1998
07/22/1998CN1188453A High voltage power converter system
07/22/1998CN1188343A 功率转换系统 Power conversion system
07/22/1998CN1039272C Push-pull dc-to-ac converter
07/22/1998CN1039271C High voltage electric power conversion method and apparatus thereof
07/22/1998CN1039270C Electric power converter apparatus for converting electric power between dc and ac
07/22/1998CN1039269C Semiconducotr composite element, and method of detecting abnormal conditions in inverter device having element
07/21/1998US5784270 Method of controlling an H-bridge
07/21/1998US5784268 Inverter control for support of power factor corrected loads
07/21/1998US5784238 Coordinated cluster tool energy delivery system
07/21/1998US5784231 For a switched-mode power supply
07/21/1998US5783802 Vertically lifted portable electric furnace and method for use thereof
07/21/1998US5782610 Method of stopping scroll compressor that is driven by 3-phase DC motor
07/21/1998CA2006384C Induction heating apparatus
07/16/1998WO1998031092A1 Current-sensing mosfets in paralleled mosfet power circuit
07/15/1998EP0853372A1 Power supply circuit
07/15/1998EP0852842A1 Low-loss power current inverter
07/15/1998EP0852841A1 Mains-adapted voltage-applying high-output oblique transformer controlled by a current converter
07/15/1998CN1187715A Pulse width modulation method for power transforming apparatus
07/14/1998US5781428 Transformer for 12-pulse series connection of converters
07/14/1998US5781423 Pulse width modulation control system for electric power converter
07/14/1998US5781418 Switching scheme for power supply having a voltage-fed inverter
07/09/1998WO1998029937A1 Pulse width modulation converter
07/08/1998EP0768016A4 A vertically lifted portable electric furnace
07/08/1998CN1187065A Inverter controller
07/08/1998CN1187064A Invertor power supply containing magnetic amplifier and method for controlling its output
07/08/1998CN1187062A Power source apparatus
07/08/1998CN1039073C Semiconductor switch stack
07/07/1998US5777868 Electrical Plug
07/07/1998US5777864 Resonant converter control system having resonant current phase detection
07/07/1998US5777863 Low-frequency modulated current mode power supply for magnetron sputtering cathodes
07/07/1998US5777860 Ultrasonic frequency power supply
07/07/1998US5777859 Voltage converter
07/07/1998US5777377 Bus bar having reduced parasitic inductances and equal current path lengths
07/07/1998CA2067800C Dc/dc power transformer
07/02/1998WO1998028949A1 Ballast circuit
07/02/1998WO1998028836A1 Circuit arrangement
07/02/1998WO1998028835A1 Protecting method for inrush current preventing resistor
07/02/1998WO1998028671A1 Power supply and electronic ballast with low-cost inverter bootstrap power source
07/02/1998WO1998028095A1 Roll stand drive arrangement
07/02/1998DE19757688A1 Inverter device e.g. for driving asynchronous motor
07/02/1998DE19742609A1 Method of synchronising/controlling AC voltage-fed converters esp matrix converters, in multi-phase systems
07/01/1998EP0851569A1 Power converter with improved control of main switches and its application in a power converter with three or more voltage levels
07/01/1998EP0851568A1 Device for conversion of electric energy
07/01/1998EP0851567A2 Multiparalleling system of voltage source power converters
07/01/1998CN1186574A Large signal linear digital substantially unity power-factor controller for controlling power supply
07/01/1998CN1186380A Apparatus for controlling driving signal for motor
07/01/1998CN1186377A Electric power circuit
07/01/1998CN1186376A Semiconductor power conversion apparatus
07/01/1998CN1186205A Method for compensating dead time of compressor in air conditioner
07/01/1998CN1038971C 变速系统 Transmission system
07/01/1998CN1038970C Tree network complex voltage control device
06/1998
06/30/1998US5774353 Fixture for motor controller power substrate and motor controller incorporating
06/30/1998US5774352 Power circuit for driving a capacitive load
06/30/1998US5774351 Series resonant DC-to-AC inverter system
06/30/1998US5774350 Integrated low dissipation power controller
06/30/1998US5774349 High-voltage generator
06/30/1998US5774347 Apparatus and method for supplying power to an electronic device requiring a monentary supply of extra high power
06/30/1998US5773883 Semiconductor device and semiconductor module
06/30/1998CA2223860A1 Electronic device for converting electrical energy
06/25/1998WO1998027641A1 Overvoltage protective circuit for step-down converter
06/25/1998DE19721450C1 Transformerless supply circuit e.g. for AC vehicle
06/25/1998DE19653182A1 Antriebseinrichtung für Walzgerüste Drive means for rolling mills
06/25/1998DE19651281A1 Modulation process and noise reduction for frequency converters e.g. for power supply of three=phase machine
06/24/1998EP0849872A1 Induction motor controller
06/24/1998EP0849871A2 Power converter circuit with a plurality of parallel connected converters or converter branches and balance coils connected therebetween
06/24/1998EP0849112A1 AC traction arrangement
06/24/1998CN2285030Y Power supply controller for telephone alarm
06/23/1998US5771164 Power supply converter for suppressing higher harmonics to output a stable voltage
06/23/1998US5771159 Power supply device
06/23/1998US5770923 Power supply for an electroluminescent panel or the like
06/23/1998CA2113031C Inverter device
06/23/1998CA2087832C Method and apparatus for controlling an inverter
06/18/1998WO1998026498A1 High-voltage ac to low-voltage dc converter
06/18/1998WO1998026454A1 Thermal diode stack
06/18/1998DE19729431A1 Drive device for switching amplifier
06/17/1998EP0848492A1 Method for diagnosing abnormality of circuit member of inverter driving controller for driving and controlling motor
06/17/1998EP0848487A2 Inverter controller
06/17/1998EP0848486A2 Pulse width modulation method for series connected two-level inverters
06/17/1998CN2284473Y Modulaiting d. c pulsive power source
06/17/1998CN1185053A Device and method for controlling inverter performing feedback control to suppress periodic component and unsteady component of error
06/16/1998US5768117 Power supply system for supplying electric power to a load through plural converters
06/16/1998US5768114 Converter circuit arrangement
06/16/1998US5768112 Sub-resonant series resonant converter having improved form factor and reduced EMI
06/16/1998US5767652 Method and system for supplying optimal power to an inductive-type load
06/16/1998US5767631 Power supply and electronic ballast with low-cost inverter bootstrap power source
06/11/1998WO1998025334A1 Electric arc generator with inverter and three-phase supply
06/10/1998EP0847230A2 Inverter apparatus
06/10/1998EP0846273A1 Radiofrequency interface device for a transponder
06/10/1998CN2283948Y Solar energy power supply unit
06/10/1998CN2283946Y DC power supply appliance
06/09/1998US5764503 Method and apparatus for providing conditioned AC voltage using current and voltage sensing
06/09/1998US5764501 For connecting to a power line carrying an ac signal
06/09/1998US5764500 Switching power supply
06/09/1998US5764499 Direct a.c. converter
06/09/1998US5764039 Power factor correction circuit having indirect input voltage sensing
06/09/1998US5764024 Pulse width modulator (PWM) system with low cost dead time distortion correction
06/09/1998US5764003 Device with enhanced reliability for the electrical supply of a set of electron tubes
06/04/1998WO1998024173A1 System for operating industrial plants in the megawatt range
06/04/1998WO1998024172A2 Device for rectifying voltage with integrated components
06/04/1998DE19650994C1 Pulse-width modulation (PWM) of rated voltage waveform for three-level four-quadrant control-servo (4QS) e.g. for railway engineering
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