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)
12/1993
12/06/1993CA2097787A1 Electric system for an electric vehicle
12/01/1993EP0572066A2 Circuit to generate a supply voltage
12/01/1993EP0571755A2 Power converter for converting DC voltage into AC phase voltage having three levels of positive, zero and negative voltage
12/01/1993EP0571657A2 Inverter apparatus and inverter controlling method having fault protection
12/01/1993CN1079083A Compact and efficient transformerless power conversion system
12/01/1993CN1079082A Chopping controlled rectification and ac voltageregulation circuit
12/01/1993CN1022962C Circuit for generating PWM signal of converter apparatus
11/1993
11/30/1993US5267137 High-power power supply
11/30/1993US5267134 Voltage and frequency converter device
11/30/1993US5267124 Controlling apparatus with terminal arrangement
11/30/1993US5266891 Auto self test of AC motor system
11/25/1993WO1993023917A1 Dual snubber circuit
11/25/1993WO1993023916A1 Power generation system with soft-start circuit
11/25/1993WO1993023914A1 Harmonic blocking converter system
11/25/1993WO1993023913A1 Optimized high power voltage sourced inverter system
11/25/1993WO1993023912A1 Programmed pwm inverter controller
11/25/1993WO1993023908A1 A non-contact power distribution system
11/25/1993DE4317110A1 Three= phase inverter output load current detection and shut-down circuit - uses current sense coils and inverter control circuit.
11/25/1993CA2112242A1 Dual snubber circuit
11/25/1993CA2112238A1 Programmed pwm inverter controller
11/24/1993EP0571067A1 Forward converter with two active switches and unity power factor capability
11/24/1993CN2147688Y Microcomputer ultrahigh frequency large power contravariant power supply
11/23/1993US5265002 Fault protection for a multiphase bridge power converter
11/23/1993US5265001 Power supply circuit with switching frequency of saturable ferrite transformer controlled by class A amplifier
11/23/1993US5264775 Pulse width modulation control apparatus and method
11/23/1993US5264773 Controller for induction motor
11/18/1993DE4214918A1 Regulation of output voltage of AC mains power unit - by controlling delay in switching of bridge rectifier output smoothing capacitor for correction of output voltage deviation
11/16/1993US5262935 Parallel inverter control apparatus
11/16/1993US5262704 Protection circuit in inverter for refrigerators
11/11/1993WO1993022828A1 Method of controlling pwm inverter
11/11/1993WO1993022827A1 Power inverter for generating voltage regulated sine wave replica
11/11/1993WO1993022823A1 Digital controlled inverter and method
11/10/1993CN2146065Y Voltage transverter for electricity saving and prolonging lamp bulb's service time
11/09/1993US5260864 Configurable inverter for 120 VAC or 240 VAC output
11/09/1993US5260863 Control of a discontinuous current by a thyristor rectifier with inductive load
11/09/1993US5260607 Snubber circuit for power converter
11/04/1993DE4312019A1 Three-level, three-phase inverter appts. for motor drive control - has DC supply with neutral output terminal with four switches in series between positive and negative electrode
11/03/1993CN1078077A Three-phase full-wave full controlling rectifier circuit
11/02/1993US5258904 Dither control method of PWM inverter to improve low level motor torque control
11/02/1993US5258902 Snubber circuit located between an output line and low impedance potential
11/02/1993US5258700 Generator unit having function of automatically adapting itself to parallel operation
11/02/1993US5258673 Rectifier device in vehicle AC generator
10/1993
10/28/1993WO1993021685A1 Stabilizer for switch-mode powered rf plasma processing
10/28/1993WO1993021684A1 A circuit for controlling a vibration pump, for example for drink dispensing machines
10/27/1993EP0567082A1 Control apparatus of power converter and control apparatus of electric motor vehicle
10/27/1993EP0566917A2 Freely oscillating converter
10/27/1993EP0566707A1 A separation control for multiphase plural inverter systems
10/27/1993CN1077825A Power converter for converting dc voltage into ac phase voltage having three levels of positive, zero and negative voltage
10/26/1993US5257304 High-voltage power device and power pack for X-ray tube
10/26/1993US5257180 Controlling system for parallel operation of AC output inverters with restrained cross currents
10/26/1993US5257175 Regulation circuit
10/26/1993US5257174 Engine-driven power generating system with over-current protection and stator teeth with grooves on a top surface
10/21/1993DE4212953A1 Multi-current power plant with transformer for railway carriage - has individually controlled thyristor switch for each of four prim. windings selected according to input voltage.
10/20/1993EP0566321A2 Reconfigurable inverter apparatus for battery-powdered vehicle drive
10/20/1993EP0566319A2 Flat-top waveform generator and pulse-width modulator using same
10/20/1993EP0565698A1 Reduction of disturbances in a power network
10/20/1993EP0565656A1 Ac/dc converter fault detector
10/20/1993EP0365618B1 Electronic control circuits, electronically commutated motor systems and methods
10/20/1993CN2144365Y Multi-phase electronic commutator type dc generator
10/20/1993CN1077573A Freely oscillating switched-mode power supply
10/20/1993CN1077572A Tree network complex voltage control device
10/20/1993CN1022529C High-frequency switch capacity type inverter
10/19/1993US5255179 Switched mode power supply for single-phase boost commercial AC users in the range of 1 kw to 10 kw
10/19/1993US5255176 Control circuit for an inverter operable in an individual mode and an interconnection mode
10/19/1993US5254926 Current-mode hysteresis control for controlling a motor
10/14/1993WO1993020610A1 Compact and efficient transformerless power conversion system
10/14/1993DE4312084A1 HV power supply with voltage peak limiting network - coacts with two input lines, with capacitor coupled to one input line, and line between resistor and diode
10/14/1993DE4243205A1 Photovoltaic current feeder for AC network - has inverter with time-discrete proportionally differential control for input voltage
10/14/1993CA2132971A1 Compact and efficient transformerless power conversion system
10/12/1993US5253157 Half-bridge inverter with capacitive voltage equalizer
10/12/1993US5253156 Semiconductor integrated circuit unit
10/12/1993US5253155 Circuit and method for controlling output current balance between parallel driven PWM-type power inverting units
10/06/1993EP0564268A1 Motor-generator voltage controller for turbocharger
10/06/1993EP0563543A1 Electron beam device
10/06/1993EP0347427B1 Circuit arrangement for operating a gas discharge lamp on a direct current source
10/06/1993CN2143385Y Improved and high reliable EFT converter
10/06/1993CN1077064A Electric power converter arrangement and electric rolling stock control device using the same
10/05/1993US5250890 Inverter control apparatus
09/1993
09/29/1993EP0562662A1 AC/DC converter
09/29/1993EP0562472A1 Method for triggering converter valves of a load commutated parallel resonant circuit converter of an induction oven
09/29/1993EP0562471A1 Method for triggering the converter valves of two or more parallel resonant circuit converters powered by a common DC source with one induction oven at a time and arrangement for the execution of the method
09/28/1993US5249114 Arrangement of a valve stack for high voltage direct current in a valve hall
09/23/1993DE4209202A1 High DC voltage industrial generator - has all components under high DC potential surrounded by conductive zones of reduced potential
09/23/1993DE4208748A1 Quenching capacitor precharging method e.g. for current inverter - precharges capacitors over two of the three inverter branches by alternate driving of diagonally opposite thyristors
09/22/1993EP0561624A2 Multi-voltage control circuit of tree branch network
09/22/1993EP0561455A1 Line output transformer
09/22/1993CN2142617Y Highly efficient pressure charging rectifier
09/21/1993US5247205 Power supply apparatus
09/16/1993WO1993018574A1 A.c.-d.c. converter for independent phase alternator
09/15/1993EP0560666A2 DC voltage divider
09/15/1993EP0560653A1 Control method for an electromechanical load by at least one converter with pulsed switch(es) and device for its operation
09/15/1993CN1076168A Device for controlling speed of elevator
09/15/1993CN1022154C Controlling circuit of sine pulse duration modulation
09/15/1993CN1022152C Large-power NC voltage-regulating converter
09/14/1993US5245527 Modular ac drive controller
09/14/1993US5245525 DC current control through an interphase transformer using differential current sensing
09/14/1993US5245522 Power supply controlled to supply load current formed as sine wave
09/08/1993EP0559480A2 Motor drive having invertor
09/08/1993EP0559009A1 D.C. chopper regulating method and apparatus incorporating bilateral regulating voltage path
09/08/1993EP0352304B1 Vehicle circuit system
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