Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
05/1987
05/13/1987EP0221213A1 Power enhancer
05/12/1987US4665474 Method and device for rapidly determining a synchronous reference voltage for a network controlled converter
05/12/1987US4665458 Acceleration power supply
05/12/1987US4665322 Uninterruptible polyphase AC power supply
05/12/1987CA1221742A1 Carpet seaming apparatus
05/07/1987DE3539027A1 Control method and a circuit arrangement for a rectifier
05/06/1987EP0220638A2 Constant voltage/frequency power supply apparatus
05/05/1987US4663702 Power converter apparatus and control method thereof
05/05/1987US4663700 Way of placing chokes with air core
05/05/1987US4663578 Inverter control apparatus
05/05/1987US4663551 Electrical machine
05/05/1987CA1221407A1 Inverter control system for providing an easily filtered output
04/1987
04/29/1987EP0220158A1 DC/AC converter and transformer used to this effect
04/29/1987CN86107452A Power failure stop circuit for a converter
04/29/1987CN85108018A Converter assembly
04/28/1987US4661897 Phase modulated, resonant power converting high frequency link inverter/converter
04/28/1987US4661761 Internal combustion engine electrical system
04/28/1987US4661748 Power supply for deflection circuit
04/28/1987EP0166773A4 High frequency recovery driving system.
04/23/1987WO1987002543A1 A method for pulse width regulation
04/23/1987WO1987002532A1 Rfi suppression technique for switching circuits
04/23/1987DE3536922A1 Self-commutated invertor having an impressed current
04/22/1987EP0218983A1 AC motor control method and its control apparatus
04/22/1987EP0218708A1 Circuit for producing a high direct voltage from a medium frequency alternating voltage
04/21/1987US4660138 Multiple output multiple step-up rectifier circuit
04/21/1987US4660134 DC-DC converter with chopping switch and transformer
04/21/1987CA1220815A1 Control circuit for power converter apparatus
04/21/1987CA1220814A1 Neutrally clamped pwm inverter
04/16/1987DE3633638A1 Charging equipment
04/15/1987EP0218414A2 Static inverter
04/15/1987CN85108411A Reverse self-induction leakage circuit for pulse transformer
04/15/1987CN85107271A Inverter control circuit
04/14/1987US4658344 Bridge inverter having switching elements interconnected with brass busbars
04/09/1987WO1987002201A1 Low voltage direct current power supply
04/08/1987EP0217298A2 Self-commutated power converter
04/08/1987EP0067163B1 Linear full wave rectifier circuit
04/08/1987CN85107270A Control device for inverter
04/08/1987CN85102022A Ultra-high voltage pulsating direct-current supply
04/07/1987US4656572 PWM inverter
04/07/1987US4656571 Frequency converting device and control method therefor
04/07/1987CA1220249A1 Frequency stabilized automatic gain controlled ballast system
04/02/1987DE3533174A1 Voltage follow-up of a current regulator
04/01/1987EP0216358A2 Power cut detection apparatus for power converter
04/01/1987EP0216263A2 Security apparatus for power converter
04/01/1987EP0215917A1 Arc suppression technique
04/01/1987EP0111567B1 Apparatus for processing regenerative energy of ac motor
03/1987
03/31/1987US4654776 Cut-off amplifier
03/31/1987US4654773 Inverter control circuit
03/31/1987US4654573 Power transfer device
03/25/1987EP0215362A2 AC power supply device
03/25/1987EP0215090A1 Electrical power source
03/24/1987US4652986 Vital inverter driver
03/24/1987US4652985 Input regulated high voltage D.C. power supply system
03/24/1987US4652902 Power semiconductor device
03/24/1987US4652770 Power source device for a load with a stand-by power supply system
03/18/1987EP0214153A1 A low voltage power source power inverter for an electroluminescent device
03/17/1987US4651270 Delay circuit for inverter switches
03/17/1987US4651268 Multiple step-up rectifier circuit
03/17/1987US4651267 Proportional base drive circuit for transistorized bridge inverter
03/11/1987CN86105421A Ac power supply device
03/11/1987CN85106848A Method of controlling the converter drive type inductive motor
03/11/1987CN85106529A Direct current high-voltage generator
03/10/1987US4649468 Voltage divider circuit
03/10/1987US4649467 High efficiency MOSFET sine wave generator
03/04/1987EP0212817A1 Improvements in or relating to invertors
03/04/1987EP0212576A2 Power generator suitable for welding and operating power tools
03/04/1987EP0212172A1 Current oscillations compensation method and device
03/04/1987EP0212155A1 Voltage converter
03/04/1987CN86204038U Magnet telephone with emergency function
03/04/1987CN85102181A Experimental supply
03/03/1987US4648018 Method and apparatus to operate a high-voltage DC transmission system (HVDC) with automatic control of the converters
03/03/1987CA1218697A1 Compact voltage multiplier for spray guns
02/1987
02/26/1987DE3529591A1 Method and device for operating an invertor
02/25/1987EP0211796A2 High efficiency mosfet sine wave generator
02/25/1987CN86202047U Multipurpose daylight reading-lamp
02/24/1987US4646222 Inverter provided with an overvoltage clamping circuit
02/24/1987US4646221 Control circuit for inverter
02/24/1987CA1218410A1 Constant current drive for switching power supply
02/24/1987CA1218409A1 Pulse width modulated inverter for unbalanced and variable power factor loads
02/24/1987CA1218408A1 Ripple reduction circuit for an inverter
02/19/1987DE3528839A1 Mains connection circuit
02/17/1987US4644459 Electronic inverter having magnitude-controllable output
02/17/1987US4644457 High-frequency high-voltage power supply
02/17/1987US4644243 Static switches firing system
02/17/1987US4644241 Single phase to three phase signal converter
02/17/1987US4644240 Method and apparatus for controlling reverse-conducting GTO thyristor
02/12/1987WO1987000991A1 High power electronic voltage converter-reducer
02/10/1987US4642748 Monitoring switch mode converter performance utilizing duty cycle
02/04/1987EP0210310A1 Gain controlled electronic ballast system
02/04/1987EP0210242A1 Direct voltage supplied circuit for generating voltages and/or currents with different curve form and/or different frequency and/or different polarity
02/03/1987US4641330 High voltage supply circuit for an x-ray tube
02/03/1987US4641233 AC to DC converter with voltage regulation
02/03/1987US4641232 Electrical power inverter having a phase modulated, twin-inverter, high frequency link and an energy storage module
02/03/1987US4641230 Pulse absorption circuit for power source circuit
02/03/1987US4641075 Method of and apparatus for controlling current of inverter
02/03/1987US4641042 Power supply system and a control method thereof
01/1987
01/29/1987DE3526836A1 Method and device for reducing the losses during operation of a pulse-controlled invertor
01/28/1987EP0209944A1 Static device for regulating energy exchange between generator or receptor systems
01/28/1987CN86105717A Base exciting circuit for transistor converter
01/27/1987US4639850 Power converter device