Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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01/09/1985 | EP0130285A1 Inverter |
01/08/1985 | US4493016 Rectifier transformer |
01/08/1985 | US4492975 Gate turn-off thyristor stack |
01/08/1985 | US4492881 For operating from a d-c power source |
01/08/1985 | CA1180755A1 Method of operating a high voltage direct current transmission system |
01/02/1985 | EP0129909A2 Method and apparatus for controlling reverse-conducting GTO thyristor |
01/01/1985 | US4491778 Motor variable frequency drive |
12/27/1984 | EP0129250A2 Converter control system |
12/27/1984 | CA1180052A Circuit for generating a sinusoidal synchronisation voltage for firing thyristors |
12/27/1984 | CA1180051A Multilevel pwm inverter |
12/25/1984 | US4490780 Digital power converter |
12/25/1984 | US4490779 Electric power system |
12/25/1984 | US4490666 Control of induction motor using PWM inverter |
12/19/1984 | EP0128796A1 Method of controlling the supply of electric motors, and apparatus for carrying out the method |
12/19/1984 | EP0128492A2 Method of measuring the D.C. level of the output of an A.C.-to-D.C. power converter |
12/18/1984 | US4489374 Rectifying apparatus for automotive A.C. generator |
12/18/1984 | US4489371 Synthesized sine-wave static generator |
12/18/1984 | US4489323 Control for electrical power conversion system |
12/18/1984 | US4489261 Method and means for feeding electric energy to a portable power tool |
12/11/1984 | US4488215 Method and apparatus for controlling the load current of a pulsed frequency converter |
12/11/1984 | US4488214 High-power, high-frequency inverter system with combined digital and analog control |
12/11/1984 | US4488213 Energy converter |
12/11/1984 | US4488212 Voltage limit protection circuit for phase controlled rectifiers |
12/11/1984 | US4488211 Harmonic and pulsation reducing circuit used in a multiplex polyphase rectifier circuit |
12/11/1984 | US4488200 No-break power supply apparatus |
12/11/1984 | US4488167 Current converter assembly in a flat housing |
12/11/1984 | US4488103 Motor control method and control apparatus therefor |
12/11/1984 | US4488101 Starting system for chopper controlled motor-commutated thyristor inverter |
12/11/1984 | US4488100 Motor controller |
12/11/1984 | EP0087424A4 Inverter connection with bridge for transforming direct current into single phase or multiphase alternating current. |
12/05/1984 | EP0127187A2 Power converter |
12/05/1984 | EP0126997A1 Electric drive |
12/04/1984 | USRE31758 High efficiency push-pull inverters |
12/04/1984 | US4486824 PWM Converter with control circuit responsive to minimum holding current |
12/04/1984 | US4486821 Power source for a developing bias |
12/04/1984 | CA1179012A1 Method and apparatus for a variable frequency inverter system having commutation fault detection and correction capabilities |
11/28/1984 | EP0126180A2 Circuit for reducing harmonics and pulsation in multiplex polyphase rectifying circuits or inverters, respectively provided with interphase reactors |
11/28/1984 | EP0008296B1 Supplier of direct current with superimposed alternating current |
11/27/1984 | US4485434 Power supply for arc lamps |
11/21/1984 | EP0125588A1 Load voltage control for resonant inverter circuits |
11/21/1984 | EP0125385A1 Arrangement for generating regulated and/or adjustable DC voltages or DC currents |
11/21/1984 | EP0125278A1 Power supply having a dc imput power source and pulsed current supplying stages. |
11/20/1984 | US4484257 In a chopper |
11/20/1984 | US4484127 Inverter power transistor protection |
11/14/1984 | EP0124719A1 Current-type GTO/inverter |
11/13/1984 | US4482946 Hybrid inverter |
11/13/1984 | US4482945 Transformer for low distortion rectifier system |
11/13/1984 | US4482855 Current control apparatus for electric power systems |
11/13/1984 | US4482854 Inverter circuit |
11/13/1984 | US4482852 Motor slip controller for AC motors |
11/13/1984 | US4482848 Controllable power source |
11/13/1984 | US4482031 AC elevator control apparatus |
11/07/1984 | EP0124209A1 Electronic ballast-inverter circuit |
11/06/1984 | US4481460 Inverter with charging regulator having a variable keying ratio |
11/06/1984 | US4481457 Method for providing adaptive control of variable speed AC motor drives |
11/06/1984 | US4481456 Microprocessor controlled multifrequency AC converter |
11/06/1984 | US4481447 Power supply for a magnetron |
11/06/1984 | CA1177535A1 Selective commutation for an inverter |
10/31/1984 | EP0123439A1 Method for determining a surge reversevoltage across a rectifying element |
10/30/1984 | US4480301 Method and apparatus for controlling a pulsed frequency converter |
10/30/1984 | US4480300 For two semiconductor switches |
10/30/1984 | US4480299 Method of controlling the output voltage of a pulse width modulation inverter |
10/30/1984 | CA1177119A1 Automatic power reduction circuit |
10/25/1984 | WO1984004214A1 Inverter apparatus |
10/23/1984 | US4479175 Phase modulated switchmode power amplifier and waveform generator |
10/23/1984 | CA1176705A1 Inductively coupled pulse feedback generator |
10/23/1984 | CA1176704A1 High-voltage transformer |
10/17/1984 | EP0122227A1 Supply circuit with controllable voltage |
10/17/1984 | EP0121575A1 Controller for motor |
10/16/1984 | US4477763 Method of controlling inverter and system therefor |
10/11/1984 | WO1984004004A1 Electric power conversion apparatus |
10/09/1984 | US4476521 Perin rectifier apparatus |
10/09/1984 | US4476520 Computer-controlled synthetic waveform generator |
10/09/1984 | CA1175902A1 Method for placing power converters into operation |
10/09/1984 | CA1175901A1 Multi-voltage dc output with single reactor voltage control |
10/09/1984 | CA1175900A1 Inverter with individual commutation circuit |
10/02/1984 | US4475152 Water-cooled high voltage device |
10/02/1984 | US4475046 Ignition equipment for light ignition thyristors |
09/27/1984 | WO1984003805A1 Ac voltage stabilizer easily convertible into uninterruptible power supply (ups) |
09/26/1984 | EP0119583A1 AC current control system |
09/26/1984 | EP0119381A1 Commutation detection scheme |
09/26/1984 | EP0119380A1 Method for adaptive conduction control in a power converter |
09/25/1984 | US4473757 Circuit means for converting a bipolar input to a unipolar output |
09/25/1984 | CA1175103A1 Recovery protection device for a thyristor valve |
09/19/1984 | EP0119134A1 Heat sink assembly device for power electronic components and application to monophase or polyphase bridges |
09/19/1984 | EP0118966A1 AC voltage stabilizer easily convertible into uninterruptible power supply (UPS) |
09/19/1984 | EP0118684A1 Current spreading circuit |
09/13/1984 | WO1984003595A1 Electrical power supply for a motor vehicle |
09/11/1984 | US4471423 Multi-voltage DC output with single reactor voltage control |
09/11/1984 | US4471422 Dc-to-ac Inverter |
09/11/1984 | US4471421 For controlling an electric power converter |
09/11/1984 | US4471419 Circuitry and method of operation for an intermediate-like converter |
09/11/1984 | US4471269 Circuit arrangement for operating a high-pressure gas discharge lamp |
09/11/1984 | US4471196 In an induction heating system |
09/11/1984 | CA1174390A1 Pulse width modulated voltage converter |
09/11/1984 | CA1174175A1 Compander system circuit |
09/05/1984 | EP0117668A1 Firing-angle control in inverters |
09/05/1984 | EP0117558A2 Method and apparatus for controlling PWM inverter |
09/05/1984 | EP0117526A2 Method and system for terminating inverter operation of a converting device |
09/04/1984 | CA1173979A1 Two-wire electronic dimming ballast for fluorescent lamps |