Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
11/1986
11/11/1986US4622629 Power supply system with improved transient response
11/11/1986US4622628 PWM inverter apparatus with digital control
11/05/1986EP0199903A2 A control apparatus for rectifying circuits
11/05/1986CN86102665A Control system for an electric locomotive having ac to dc converters
11/05/1986CN85103829A Switching elements of tree oscillatory passage converter
11/05/1986CN85103811A 电源转换电路 Power Converter
11/04/1986US4621316 Inverter control circuit
10/1986
10/29/1986EP0199456A2 Electric transformer, possibly in combination with a rectifier
10/29/1986EP0199315A2 Control system for an electric locomotive having AC to DC converters
10/28/1986US4620263 Container for accommodating a control device
10/28/1986US4620143 Digital pulse width modulation motor control system
10/28/1986CA1213365A1 High dc voltage generator
10/28/1986CA1213321A1 Transistor inverter circuit
10/28/1986CA1213320A1 Device for generating alternating current from direct current
10/28/1986CA1213318A1 Stabilising circuit for an inverse rectifier motor control
10/22/1986EP0198314A1 Protective choke for a controlled rectifier
10/22/1986EP0198204A2 Method and device for DC-AC converting
10/22/1986EP0198035A1 Power supply system with improved transient response
10/22/1986EP0197967A1 Power supply for providing plural dc voltages
10/22/1986EP0085073B1 Converter
10/21/1986US4618923 Direct current tight coupling
10/21/1986US4618921 Power supply system and a starting method thereof
10/21/1986US4618809 Apparatus for converting single-phase power to three-phase outputs
10/21/1986CA1212991A1 Transformer arrangement for generating rectified high voltage
10/15/1986EP0197509A2 Parallel-oscillating circuit converter, especially for the induction heating of work pieces
10/15/1986EP0197445A1 Method and device to determine the phase position of a multiphase measure value system
10/15/1986EP0197352A1 Method and device for the operation of a HVDC short interconnection in case of power system faults
10/15/1986EP0197056A1 Current supply circuit of an essentially inductive charge
10/14/1986US4617675 Digital PWMed pulse generator
10/14/1986US4617622 Switching time correction circuit for electronic inverters
10/14/1986US4617621 Inverters with reduced distributed inductance
10/14/1986CA1212751A1 High frequency inverter
10/14/1986CA1212720A1 Microprocessor controlled phase shifter
10/09/1986WO1986005929A1 Converter
10/08/1986EP0196543A2 Current control of an inductive load
10/08/1986CN85201577U Short-term storage power source for computer
10/07/1986US4616305 AC/DC power MOSFET reversing H-drive system
10/07/1986US4616300 Method of and apparatus for efficient high voltage generation by resonant fly back
10/01/1986EP0195950A2 Device which synchronizes free running oscillator frequency by means of a feedback saturable transformer and square wave output voltage
10/01/1986EP0195822A1 Converter device
10/01/1986CN85100460A Voltagetype converter circuit with pwm and uncontinous commutation
09/1986
09/30/1986US4615000 Pulse width modulation inverter system
09/30/1986US4614998 DC-AC converter for a load with an inductive component
09/25/1986WO1986005651A1 Arc suppression technique
09/25/1986WO1986005636A1 Electrical power source
09/23/1986US4613933 Digital drive system for pulse width modulated power control
09/23/1986US4613795 Driver circuit controller for AC to AC converters
09/23/1986CA1211788A1 Power system and a power generation method
09/17/1986CN86100937A Pulse width modulated (pwm) inventer
09/17/1986CN85205567U Train contravariant main power being able to lower voltage
09/17/1986CN85108028A Circuit of checking abnormality for inverted amplifier
09/17/1986CN85102086A Water-proof and dust-proof compact high-voltage power supply
09/16/1986US4612611 Starting circuit for a parallel resonant circuit inverter
09/12/1986WO1986005333A1 Dc to dc converter
09/12/1986WO1986005304A1 A low voltage power source power inverter for an electroluminescent device
09/10/1986EP0193775A1 Control process for the voltage of the intermediate circuit of a converter with an intermediate circuit, and device to carry out this process
09/09/1986US4611267 Snubber arrangements with energy recovery for power converters using self-extinguishing devices
09/09/1986US4611158 Method and apparatus for controlling PWM inverter
09/09/1986US4611152 High DC voltage generator
09/03/1986EP0193436A1 Control circuit for a switching power supply with a progressive start
09/03/1986EP0192959A1 Flux control for induction motor drive using load commutated inverter circuit
09/03/1986CN86102301A High-voltage dc generator
09/02/1986CA1210809A1 Method and apparatus for electrical power conversion
08/1986
08/27/1986EP0192553A1 High voltage DC power supply, particularly for an X-ray-emitting tube
08/26/1986US4608626 Electrical inverter with minority pole current limiting
08/26/1986US4608500 Electric power unit
08/26/1986US4608499 Power system and power generation method
08/20/1986EP0191598A2 AC/DC power MOSFET reversing H-drive system
08/20/1986EP0191333A2 Guard system for inverter apparatus
08/20/1986EP0105278B1 Circuit arrangement for power control
08/19/1986US4607324 Reduced harmonic current rectifier including sequentially switched secondary windings
08/19/1986US4607321 Inverter
08/19/1986US4607206 Flux control for induction motor drive using load commutated inverter circuit
08/19/1986US4607205 Method and system for reconnecting inverter to rotating motors
08/14/1986WO1986004752A1 Direct voltage supplied circuit for generating voltages and/or currents with different curve form and/or different frequency and/or different polarity
08/13/1986EP0190493A2 Disabled diac start-up technique for a power supply
08/13/1986EP0190259A1 Rotating rectifier assembly
08/12/1986US4606058 Process for generating control signals in a predeterminable phase position, circuit arrangement for effectuating the process and utilization of the circuit arrangement
08/06/1986EP0189832A1 Excitation current control for induction motor drive using load commutated inverter circuit
08/06/1986EP0189775A1 Inverter
08/05/1986US4604321 Conjugated diolefin polymer on porous support
07/1986
07/30/1986EP0189340A1 Commutation circuit with a fast diode, incorporating means for damping the oscillations on opening it
07/30/1986EP0188570A1 Switch-mode power supply
07/29/1986US4603378 Inverter circuit with a control circuit for leading transistors more effectively into a turned-off state
07/29/1986US4603344 Semiconductor assembly
07/29/1986CA1208804A1 High-voltage supply for an x-ray generator
07/29/1986CA1208696A1 Transformer with rectifier
07/24/1986EP0171415A4 Current sense demodulator.
07/23/1986EP0188239A2 Power supply systems for reluctance motors
07/23/1986EP0187867A1 Method of and apparatus for controlling a synchronous motor
07/23/1986CN85107714A Current source conversion apparatus having auto-cutoff devices
07/22/1986US4602199 Control for induction motor drive using load commutated inverter circuit
07/22/1986US4602198 Induction motor drive using load commutated inverter circuit
07/22/1986US4602166 Transformer driving network with primary current limiting means
07/22/1986CA1208305A1 Welding apparatus
07/22/1986CA1208284A1 Method of and apparatus for efficient high voltage generation by resonant flyback
07/17/1986WO1986004192A1 Inverter control
07/16/1986EP0187282A2 Digital drive system for pulse width modulated power control
07/16/1986CN85202379U Reversible silicon control transforming installation without interrupting electric source
07/15/1986US4600984 Two quadrant power modulator