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)
09/1998
09/29/1998US5815391 Current sensing circuit for pulse width modulated motor drive
09/29/1998US5815387 Transformer protective apparatus having semiconductor and mechanical bypass means
09/29/1998CA2088194C Analog output electro-pneumatic transducer
09/24/1998WO1998042068A1 Power converter
09/24/1998WO1998042067A1 Power converter, ac motor controller and their control method
09/24/1998WO1998042066A1 High power inverter pole employing series connected devices configured for reduced stray loop inductance
09/24/1998DE19710319A1 Schaltung zum Sperren einer Halbleiterschaltvorrichtung bei Überstrom Circuit for blocking a semiconductor switching device for overcurrent
09/24/1998DE19710161A1 Circuit for continuous variation of AC or DC current in load operated from AC or DC supply or combination supply e.g for heating systems
09/24/1998CA2218942A1 A plant for transmitting electric power
09/23/1998EP0866546A2 Drive for a direct current motor supplied from an alternative voltage supply with two connections
09/23/1998EP0866389A2 Replicated controller and fault recovery method thereof
09/23/1998EP0866284A2 Air conditioning system and power converter apparatus for the same
09/23/1998CN1193843A Process for controlling rotating machine, servocontrol system for implementing said method and rotating machine provided with system of this kind
09/23/1998CN1193715A Air conditioning system and power converter apparatus for the same
09/22/1998US5812388 Bridge rectifier for diode-rectified alternating current generator
09/22/1998US5812386 Power supply control method and corresponding circuit
09/22/1998US5812014 Double half-wave rectifier circuit having a wide input dynamic range
09/22/1998US5811949 Apparatus to be used with a pwm generator
09/22/1998CA2135027C Semiconductor stack
09/17/1998WO1998040946A1 Circuit for blocking a semiconductor switching device on overcurrent
09/16/1998EP0865150A2 Circuit for continuous direct or indirect variation of DC and/or AC current flowing in a load supplied by DC or AC source voltage or any combination of these voltages
09/16/1998CN1193217A 逆变器装置 The inverter device
09/15/1998US5809054 Method for stabilizing an AC system against reactive-load fluctuations, and a power-factor correction device
09/15/1998US5808882 Three-phase bridge rectifier
09/15/1998US5808880 Power factor controller for active converter
09/15/1998US5808504 Insulated gate transistor drive circuit
09/11/1998WO1998021924A3 Control equipment for an active filter
09/09/1998EP0863452A1 Power supply circuits
09/09/1998EP0862844A1 Electronic transformer
09/09/1998EP0782785A4 Improved zero-voltage-transition (zvt) 3-phase pwm voltage link converters
09/09/1998EP0754367B1 Enclosed valve means for high voltage and high power
09/08/1998US5805438 Current controlled PWM inverter for driving a motor without gain adjustment
09/08/1998US5805437 Power electronic circuit arrangement having plural power converters
09/08/1998US5805436 Simplified power supply circuit without transformer core and windings
09/08/1998US5804951 Power factor correction circuit
09/03/1998WO1998038836A1 High frequency heating equipment
09/03/1998DE19709766C1 Controlling several coupled end stages esp. with gradient amplifier of nuclear resonance tomography e.g. Project 039
09/02/1998EP0862262A2 Power generating device, charging method and timepiece
09/02/1998CN1192079A Control system for power conversion system
09/01/1998US5801937 Uninterruptible power supplies having cooled components
09/01/1998US5801936 Semiconductor module for a power conversion device
09/01/1998US5801933 High efficiency voltage converter and regulator circuit
09/01/1998US5801557 High voltage drivers which avoid -Vs failure modes
09/01/1998US5801517 Method and control circuit for a switching regulator
09/01/1998CA2059224C Valve stack for high voltages
08/1998
08/27/1998DE19707533A1 Network supply stage with signal coupling transformer
08/26/1998EP0860048A2 An ac-dc power supply
08/26/1998EP0636284B1 Power supply
08/26/1998CN2289346Y Isolation type voltage-stabilized power source
08/25/1998US5798916 High power inverter pole employing series connected devices configured for reduced stray loop inductance
08/25/1998US5798630 Switching power circuit to supply electric-vehicle battery charger with high-frequency power
08/25/1998US5798628 Inverter control system which dynamically varies a voltage vector applied to the inverter based on primary flux and torque deviations
08/20/1998WO1998036489A1 Improved motor control circuitry and circuitry enclosure
08/18/1998US5796601 Rectifier control system
08/18/1998US5796598 Voltage-converting circuit for the power supply of an electrical consumer of high output, particularly a bobbin winding machine
08/18/1998US5796568 Current limiter device
08/18/1998US5796277 Power-transistor driving circuit for a single power source
08/18/1998US5796224 Control system for electric vehicle
08/18/1998US5796215 Soft start circuit for self-oscillating drivers
08/18/1998US5796214 Ballast circuit for gas discharge lamp
08/13/1998WO1998035434A1 Control circuit and method for piezoelectric transformer
08/12/1998EP0858155A1 Method for the regulation of a rotating machine, regulation system to implement said method and rotating machine equipped with such a system
08/12/1998EP0858152A2 Electronically commutated motor
08/12/1998EP0649579B1 Circuit for driving a half-bridge
08/12/1998CN1190502A Electric power converter for AC electric vehicle
08/12/1998CN1190279A Controller of power converter
08/11/1998US5793808 Digital processing apparatus and method to control multiple pulse width modulation drivers
08/11/1998US5793626 High efficiency bimodal power converter and method of operation thereof
08/11/1998US5793625 Boost converter regulated alternator
08/11/1998US5793623 Air conditioning device
08/11/1998US5793622 Common turn-off circuit for a thyristor power converter
08/11/1998US5793182 Circuit arrangement for powering a load
08/11/1998US5793170 Motor drive circuit
08/11/1998US5793123 Electronic device with two power supply modes
08/11/1998CA2149805C Emi filter and method
08/06/1998WO1998034335A1 Control system for supply / recovery of energy from a three-phase network into a converter with a variable voltage link
08/06/1998WO1998034334A1 Device for supplying direct current to an electrical melting unit
08/06/1998DE19802604A1 Motor control unit circuit with measuring circuit
08/06/1998DE19704089A1 Method of controlling chopper-driver formed by bridge circuit e.g for stepper motor in control electronics
08/06/1998DE19703440A1 Einrichtung zur Gleichstromversorgung für ein elektrisches Schmelzaggregat Device for direct power supply for an electric melter
08/06/1998CA2226390A1 Process for regulating a rotating machine, control system to implement the said process, and rotating machine equipped with such a system
08/05/1998EP0781499B1 Power supply for a continuous wave microwave magnetron
08/04/1998US5790654 Digitally controlled ring signal generator
08/04/1998US5790396 Neutral point clamped (NPC) inverter control system
08/04/1998US5790394 Dual AC power supply input module
08/04/1998US5789779 IGFET circuit preventing parasitic diode current
07/1998
07/30/1998WO1998033268A1 Boost mode power conversion
07/30/1998DE19717307C1 Method of dimming fluorescent lamp in secondary circuit of transformer
07/29/1998EP0855790A2 An AC-DC converter for low power electronic switching motors fed by a power grid
07/29/1998EP0797864B1 Power rectifier circuit
07/29/1998CN2286942Y Ring rectifier transformer
07/29/1998CN1189007A Manufaturing method for rectifier
07/29/1998CN1189006A Electronic circuit for converting electrical energy
07/29/1998CN1189005A Inverter with incorporated filter circuit and improved component cooling arrangement
07/28/1998US5786992 To convert power from a varying voltage source/delivering it to a load
07/28/1998US5786973 Semiconductor power module and compound power module
07/28/1998US5786558 Method and apparatus for controlling inverter resistance welding
07/23/1998WO1998032059A1 Method and system for controlling output current of a large, low-voltage, dc power supply and obtaining diagnostic information from the operation thereof
07/22/1998EP0854565A2 Inverter with incorporated filter circuit and improved component cooling arrangement
07/22/1998CN2286538Y Sweep frequency type power supply used for ultrasonic wave cleaning machine
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