Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
03/1983
03/16/1983EP0074239A1 Electric power converter circuit
03/15/1983US4376968 Protection system for immunizing an inverter system against A-C line voltage disturbances
03/08/1983US4376296 DC-Side commutated inverter
03/08/1983US4376250 Portable power source
03/08/1983CA1142585A1 Semiconductor apparatus and method for rectifying
03/02/1983EP0073045A2 Method of controlling an induction motor by a PWM inverter
03/01/1983US4375612 Controlled regenerative d-c power supply
03/01/1983CA1142224A1 Inverter circuit
03/01/1983CA1142223A1 Autoresonant static converter
02/1983
02/23/1983EP0072478A2 High-voltage rectifier
02/22/1983US4375076 Cyclically controlled electrical equipment having a control angle which is variable over a portion of the operating cycle
02/22/1983US4375029 Control apparatus for thermal equipment particularly a heat engine
02/17/1983WO1983000589A1 Electrical converter
02/17/1983WO1983000587A1 Converter
02/15/1983US4374346 Voltage detection circuits for a-c power supplies
02/15/1983CA1141497A1 Elevator system
02/15/1983CA1141440A1 Circuit for forming periodic pulse patterns
02/09/1983EP0071285A1 Energy converter
02/08/1983CA1140988A1 Quenching-angle control for an inverter
01/1983
01/25/1983US4370703 Solid state frequency converter
01/25/1983US4370702 Microprocessor control of inverter power transistors with DC content correction
01/25/1983US4370600 Two-wire electronic dimming ballast for fluorescent lamps
01/19/1983EP0070158A2 Low dissipation snubber circuit for switching power transistors
01/19/1983EP0069971A1 Gate turn-off thyristor stack
01/19/1983EP0069902A2 Current rectifier device
01/18/1983US4369490 Low-ripple power rectifier system
01/18/1983CA1139839A1 Simple method of switching an ac line
01/18/1983CA1139838A1 Apparatus for converting an a.c. input signal to a rectified and smoothed d.c. signal
01/18/1983CA1139837A1 Regulated dual dc power supply
01/11/1983US4368419 Power supply and method utilizing applied current for increased hysteresis swing in transformer core
01/11/1983CA1139361A1 Control system for polyphase loads
01/05/1983EP0069006A1 Transformer with movable secondary winding, especially for welding
01/05/1983EP0068185A1 Circuit arrangement for generating a D.C. control voltage dependent upon an A.C. voltage
01/04/1983US4367521 PWM Inverter device
01/04/1983US4367520 Method and apparatus for controlling pulse width modulation inverter circuit
01/04/1983CA1138930A1 Switching d-c. regulator and load-sharing system for multiple regulators
01/04/1983CA1138928A1 Rms circuit for voltage regulation
01/04/1983CA1138927A1 Control for an auxiliary commutation circuit
12/1982
12/28/1982US4366533 PWM Inverter device
12/28/1982US4366532 AC/DC or DC/AC Converter system with improved AC-line harmonic reduction
12/22/1982EP0067163A1 Linear full wave rectifier circuit.
12/21/1982US4365281 Protection circuit for switching transistors serially connected between a D.C. voltage source
12/21/1982CA1138041A1 Converter apparatus
12/21/1982CA1138040A1 Timing waveform generator
12/21/1982CA1138039A1 Converter apparatus
12/21/1982CA1138038A1 Inverter drive circuit
12/21/1982CA1138037A1 Rectifier-type ac motor speed control
12/15/1982EP0066808A2 Water-cooled high voltage device
12/15/1982EP0066801A1 Thyristor arrangement having at least four thyristor columns
12/15/1982EP0066577A1 Pulse with modulated voltage converter for generating a preferably sinusoidal alternating voltage.
12/14/1982US4364109 Control device of inverters
12/07/1982US4363089 Inverter
12/07/1982US4363088 Electric power source units
12/07/1982US4362950 Synchronous inverter compatible with commercial power
11/1982
11/30/1982US4361866 Power converter apparatus
11/25/1982WO1982004000A1 Electric energy source for a resistance-welder
11/24/1982EP0065396A2 DC-AC converter
11/24/1982EP0065379A2 A controllable power source
11/24/1982EP0065038A1 Inverter for the supply of an asynchronous machine
11/23/1982US4360866 Linear full wave rectifier and method for providing full wave rectified signals
11/23/1982CA1136213A1 Power supply utilizing a high frequency magnetic amplifier
11/17/1982EP0064856A2 A multi-phase bridge arrangement
11/17/1982EP0064570A1 Electric energy source for a resistance welding machine
11/16/1982US4359679 Switching d-c. regulator and load-sharing system for multiple regulators
11/11/1982WO1982003954A1 Power supply circuit
11/11/1982WO1982003953A1 Method of controlling an electric motor and control unit therefor
11/10/1982EP0064483A2 High voltage converter
11/09/1982US4358820 Inverter with individual commutation circuit
11/09/1982US4358819 Electrical converter equipment having reduced harmonic circuits
11/09/1982US4358818 Thyristor-controlled AC/DC converter system
11/09/1982US4358716 Adjustable electrical power control for gas discharge lamps and the like
11/09/1982US4358654 Static power switching system for induction heating
11/09/1982CA1135337A1 High frequency high voltage power supply
11/09/1982CA1135334A1 High efficiency push-pull inverters
11/08/1982EP0056393A4 Electric power supply system.
11/03/1982EP0063974A1 Device providing a regulated alternating voltage source for a power supply from a mains alternating current source
11/03/1982EP0063745A2 Regulating device for a self piloted inverter with an intermediate D.C. circuit
11/02/1982US4357655 Three-phase inverter
11/02/1982CA1134907A1 Pulse-width modulated inverter system and method
10/1982
10/27/1982EP0063176A2 Control device for an inverter
10/26/1982US4356544 Apparatus for controlling an inverter main circuit
10/26/1982US4356541 Rectifier
10/26/1982CA1134437A1 Method of and apparatus for enabling soft-failure of modular power converter systems, including rf generator systems, embodying switching components in the power conversion
10/19/1982US4355351 High repetition rate power pulse generator
10/19/1982US4355263 Ignition circuit for explosive devices and the like
10/19/1982US4355243 Sinusoidal output generator
10/13/1982EP0062348A2 Method of halting a pulse width modulation inverter
10/13/1982EP0062276A1 Ballast circuit for the operation of low-pressure discharge lamps
10/13/1982EP0062275A1 Ballast circuit for the operation of low-pressure discharge lamps
10/12/1982US4354223 Step-up/step down chopper
10/12/1982CA1133585A1 Method for controlling power flow between an electrochemical cell and a power grid
10/12/1982CA1133581A1 Fast-slow acting current limiter for inverter power supply
10/12/1982CA1133580A1 Auxiliary commutation circuit for an inverter
10/06/1982EP0061744A2 Transistor inverter device
10/06/1982EP0061730A2 Transistor inverter device
10/05/1982US4353116 Direct current to alternating current converter
10/05/1982US4353115 Apparatus for synthesizing a sinusoidal output
10/05/1982CA1133055A1 Frequency sensitive switching circuit
09/1982
09/28/1982US4352154 Varying two phase voltages in dc to three phase converter
09/28/1982US4352152 High speed non-saturating inverter