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)
04/1998
04/08/1998EP0834984A2 Method for reducing acoustic and vibration energy radiated from rotating machines
04/08/1998EP0834983A2 Device for measuring currents in a converter
04/08/1998EP0834982A2 Power conversion system
04/08/1998EP0834212A1 Converter circuit, circuitry having at least one switching device and circuit module
04/08/1998CN1038010C Apparatus and method for realizing electric current controlling of speed changable motor
04/08/1998CN1038009C Inverter device
04/07/1998US5737207 Power supply
04/07/1998US5737206 Control system for power conversion system
04/07/1998US5737205 Semiconductor static electric power converter optimized for operation in zero-voltage mode
04/07/1998US5737201 Electronic device for electrical energy conversion between a voltage source and a current source by means of controllable switching cells
04/07/1998US5737200 Semiconductor device protection method
04/07/1998US5737199 Fail Check Device and method for switching signal lines
04/07/1998US5737197 High voltage power supply having multiple high voltage generators
04/07/1998US5736916 High frequency pulse transformer for an IGBT gate drive
04/07/1998US5736890 Method and apparatus for controlling transistors as rectifiers
04/07/1998US5736825 Method and apparatus for linearizing pulse width modulation by modifying command voltges
04/07/1998US5736819 Parallel-tuned electronic ballast with special output voltage waveform
04/02/1998WO1998013806A1 Power supply input circuit for field instrument
04/02/1998DE19638620A1 Self-adjusting static converter circuit arrangement
04/02/1998CA2238495A1 Power supply input circuit for field instrument
04/01/1998EP0833436A2 AC motor control for a high speed deep well pump
04/01/1998EP0833430A2 Power stage and secondary stage for a transformer
04/01/1998EP0832512A1 Modulator for resonant link converters
04/01/1998EP0832006A1 High voltage power converter system
03/1998
03/31/1998US5734565 Reducing switching losses in series connected bridge inverters and amplifiers
03/26/1998WO1998012798A1 Power supply circuit
03/25/1998EP0831576A1 Soft switching power converter including means for connecting middle point voltage of a capacitive divider
03/25/1998CN1177232A Paralleled converter for induction furnace
03/24/1998US5731970 Power conversion device and semiconductor module suitable for use in the device
03/24/1998US5731969 Three-phase AC power converter with power factor correction
03/24/1998US5731967 Converter circuit arrangement with minimal snubber
03/24/1998US5731966 Snubber circuit for rectifying diodes and method of operation thereof
03/24/1998US5731691 Power supply circuitry for a transponder and operable with infinitesimal power from receiving antenna
03/24/1998US5731652 Power source unit employing piezoelectric transformer frequency-controlled and voltage-controlled to operate at a maximum efficiency
03/24/1998CA2215181A1 Soft switch power converter comprising means for correcting the median voltage of a capacitor divider
03/18/1998EP0829950A1 Digital controlled oscillator
03/18/1998EP0829099A1 Bidirectional blocking accumulation-mode trench power mosfet
03/18/1998EP0770282B1 Direct a.c. converter
03/18/1998CN1176524A Apparatus and method for supplying power to pulling system with DC voltage through transformer
03/18/1998CN1176523A Electric power conversion apparatus and its controlling method and uninterruption power source device using the same
03/17/1998US5729450 Power converter with ripple current and bulk filtering supplied by high-current, high-microfarad film capacitor arrangement
03/17/1998US5729449 Current command type PWM inverter apparatus with logic circuit for generating switching command signals at periodical timings
03/17/1998US5729446 Converter circuit arrangement with actively controllable current and voltage rise limiting means
03/17/1998US5729445 Regulated power supply unit with an electronic transformer
03/17/1998US5729163 Synchronous AC to DC conversion of differential AC signals
03/12/1998WO1998010508A1 Semiconductor device
03/12/1998DE19730364A1 Power converter for three phase input and output
03/12/1998DE19719168A1 Power supply with high frequency source that converts DC into AC
03/12/1998DE19626447A1 Pulse pattern integration method for supplying coil
03/11/1998EP0828408A2 Ballast circuit for gas discharge lamp
03/11/1998EP0828341A2 Modular type power semiconductor apparatus
03/11/1998CN1175814A Rectifier circuit
03/11/1998CN1175813A Power supply unit
03/11/1998CN1037733C Single-phase high-voltage rectification equipment
03/10/1998US5726873 Control circuit for cryogenically-cooled power electronics employed in power conversion systems
03/10/1998US5726872 For delivering power from an input voltage source to a load
03/10/1998US5726870 Electronic circuit for converting electrical energy
03/10/1998US5726869 Synchronous rectifier type DC-to-DC converter in which a saturable inductive device is connected in series with a secondary-side switching device
03/06/1998CA2213600A1 Ballast circuit for gas discharge lamp
03/05/1998WO1998009370A1 Improved current control process and device for a voltage converter
03/05/1998WO1998009362A2 Power back
03/05/1998DE19635606A1 Low voltage direct current to high voltage alternating current converter
03/05/1998DE19634905A1 Three=phase bridge rectifier for battery charger
03/05/1998DE19634823A1 Low-inductance, high-resistance diode arrangement e.g. for converter
03/05/1998CA2263984A1 Improved current control process and device for a voltage converter
03/04/1998EP0827370A2 Resonance type power converter unit, lighting apparatus for illumination using the same and method for control of the converter unit and lighting apparatus
03/04/1998EP0827262A2 Power factor controller for active converter
03/04/1998EP0827254A2 Power control apparatus for solar power generation system
03/04/1998EP0827253A1 Intermittent on/off regulator type DC power supply circuit
03/04/1998EP0826550A1 DC power supply device and process for a traction system by means of a converter for different AC or DC voltages
03/04/1998EP0786166A4 A voltage clamped parallel resonant converter with controllable duty cycle
03/04/1998EP0744118B1 Regulated power supply unit with an electronic transformer
03/04/1998CN2275773Y Non-variable resistance type adjustable power switch set
03/04/1998CN1175184A Power source equipment
03/04/1998CN1175116A Electronic device for electric energy conversion
03/04/1998CN1037650C Controller for power converter
03/04/1998CN1037647C High and voltage power source having continuous adjustable frequency, voltage and waveshape
03/04/1998CA2184674A1 Intermittent on/off regulator type dc power supply circuit
03/03/1998US5724235 Overcurrent protecting device for use in DC--DC converter
03/03/1998US5723968 Variable speed system
03/03/1998US5723963 Apparatus and method for controlling transition between PWM and linear operation of a motor
02/1998
02/26/1998WO1998008296A1 Power unit for generating discharge shock wave
02/26/1998DE19735867A1 Intermediate circuit capacitor pre-charger
02/25/1998EP0825806A1 Circuit for operating incandescent lamps
02/25/1998EP0825701A2 Coordinated cluster tool energy delivery system
02/25/1998EP0825699A2 Phase controlled switching regulator power switch
02/25/1998EP0825695A2 Power processor circuit and method for corona discharge pollutant destruction apparatus
02/25/1998CN1174444A Converter circuit arrangement
02/24/1998US5722057 Multi-Resonant electronic power converter with a wide dynamic range
02/24/1998US5721675 Power supply converting circuit
02/24/1998US5720628 Power converter with compact cord storge
02/19/1998WO1998007229A1 Inverter driving method
02/19/1998WO1998007225A1 Reducing switching losses in series connected bridge inverters and amplifiers
02/19/1998WO1998007166A1 High power drive from ac and dc sources using cryoelectronics
02/19/1998WO1998006296A1 Electrical circuit for supplying power
02/19/1998DE19705005A1 Battery charger e.g. for electric devices, such as mobile telephone
02/18/1998EP0593738B1 Programmed pwm inverter controller
02/18/1998CN2274842Y Electric supplier converter
02/18/1998CN1173765A Multi-level inverter
02/18/1998CN1173764A 12 pulsing sequential controlling method
1 ... 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 ... 462