| 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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| 11/19/1997 | CN1165426A Current command type PWM (pulse width modulation) inverter apparatus |
| 11/18/1997 | US5689411 Proportional DC power control system and method |
| 11/18/1997 | US5689162 Apparatus and method for current sensing for motor driver in pwm mode |
| 11/18/1997 | CA2143837C Wide load matching capability power supply |
| 11/18/1997 | CA2137435C Apparatus and method for synchronizing a firing circuit for a brushless alternator rectified d.c. welder |
| 11/12/1997 | EP0806078A1 Power-supply circuit |
| 11/12/1997 | EP0806077A1 Novel soft switched three-phase boost rectifiers and voltage source inverters |
| 11/12/1997 | CN1164939A Bridge power converter |
| 11/12/1997 | CN1164774A Luminous diode ac power supply integrated block |
| 11/11/1997 | US5687072 Low inductance inverter |
| 11/11/1997 | US5687071 Voltage lowering device and asynchronous traction system supplied from a single-phase mains supply incorporating a device of this kind |
| 11/11/1997 | US5687069 For starting a dc-driven device without current surges |
| 11/11/1997 | US5687065 Pre-regulator with light switch to limit voltage ringing on turn-off |
| 11/11/1997 | US5687049 Method and circuit for protecting power circuits against short circuit and over current faults |
| 11/11/1997 | US5686859 Semiconductor switch including a pre-driver with a capacitively isolated power supply |
| 11/11/1997 | US5686839 Equipment and method for detecting electrical leakage in electric vehicle |
| 11/11/1997 | US5686797 Electronluminescent lamp inverter |
| 11/11/1997 | US5686766 Utility-linking system |
| 11/11/1997 | CA2106325C Gate power supply circuit |
| 11/06/1997 | WO1997041497A1 Modular high power modulator |
| 11/06/1997 | DE19716113A1 Elektrische Leistungsstrang-Baugruppe Electric power train assembly |
| 11/06/1997 | DE19714977A1 Device with inverter e.g. for machine tools, lifts, air-conditioning, pumps and printing presses |
| 11/06/1997 | DE19713239A1 Control of electrical power transmission system, such as transformers and switched power supplies |
| 11/06/1997 | DE19654830A1 Electric power converter control appts |
| 11/05/1997 | EP0805547A2 Reflector-pump network for preempting AC power supply harmonic distortion and for satiating the complex harmonic power demand of a rectifier |
| 11/05/1997 | CN2266839Y Efficient inverter |
| 11/05/1997 | CN1164144A Method and equipment for controlling converter |
| 11/04/1997 | US5684688 Soft switching three-level inverter |
| 11/04/1997 | US5684687 Driver circuit for inverter |
| 11/04/1997 | US5684679 Switching mode power supply capable of reducing the response time thereof |
| 10/30/1997 | WO1997040545A1 Battery charger |
| 10/30/1997 | DE19707705A1 Output voltage controller connected to electric power converter containing voltage type PWM converter |
| 10/29/1997 | CN1163510A Method and apparatus for controlling invertor |
| 10/29/1997 | CN1163506A Control system for NPC inverse transformer |
| 10/29/1997 | CN1163505A Method for controlling power converter and power converting system |
| 10/28/1997 | US5682306 Switched mode power supply with power factor correction |
| 10/28/1997 | US5682302 Adaptable power converter applying digitized-wave-generation for integrated circuit implementation |
| 10/28/1997 | US5682022 Active stabilization of serially connected capacitors in high voltage applications |
| 10/28/1997 | CA2098026C Control device for thyristor converter |
| 10/28/1997 | CA2079068C Method and apparatus for testing self-commutative electric power conversion device |
| 10/23/1997 | WO1997039519A1 Apparatus and method to prevent saturation of interphase transformers |
| 10/23/1997 | WO1997038873A1 High voltage power converter system |
| 10/22/1997 | EP0802619A1 Stacked thyristors and freewheel diodes device |
| 10/22/1997 | EP0802618A2 Control arrangement for a multilevel converter |
| 10/22/1997 | EP0802617A2 Electronic power circuit device |
| 10/22/1997 | EP0801851A1 Damped emi input filter for power factor correction circuits |
| 10/22/1997 | EP0654175B1 Power converter |
| 10/22/1997 | CN1162862A Switched-mode power supply having reduced harmonic load on the mains |
| 10/21/1997 | US5680302 AC output control apparatus |
| 10/21/1997 | US5680301 For converting a dc bus voltage into an ac current for driving a load |
| 10/21/1997 | US5680299 Electric power conversion equipment |
| 10/16/1997 | WO1997038479A1 Dc power converter |
| 10/16/1997 | DE19614627A1 Hochspannungs-Stromrichtersystem High-voltage power converter system |
| 10/15/1997 | EP0801461A1 Power converter, power module and protection module |
| 10/15/1997 | CN1162216A Pulse-width modulation control system for electric power converter |
| 10/14/1997 | US5677925 Power converter device for direct current power supply to an electric arc furnace |
| 10/14/1997 | US5677833 Power conditioning system for a four quadrant photovoltaic array with an inverter for each array quadrant |
| 10/14/1997 | CA2066490C Parallel operation system of ac output inverters |
| 10/08/1997 | CN1161597A Circuit for avoiding instantaneous short circuit of lower power tube with higher one of dc-to-ac converter |
| 10/08/1997 | CN1161588A Method and apparatus for protecting switching element of inverter from being overheated |
| 10/07/1997 | US5675491 Self-exciting push-pull inverter having reduced dielectric strength requirements |
| 10/07/1997 | US5675486 Electric power circuit having means for suppressing generation of harmonics flowing back to AC power source |
| 10/07/1997 | US5675484 Wide input voltage range power supply with auto-transformers and piezoelectric transformer |
| 10/07/1997 | US5675483 Power supply comprising means for improving the power factor |
| 10/07/1997 | US5675482 Accident detection circuit of a voltage-type self-excited power converter |
| 10/07/1997 | US5675466 Assembly structure of self-turn-off switching device and snubber circuit therefor |
| 10/07/1997 | US5675223 Circuit board unit for driving and controlling motor that drives compressor for air-conditioner |
| 10/07/1997 | CA2092946C Three-level three-phase inverter apparatus |
| 10/02/1997 | WO1997036363A1 Gas-insulated high-voltage semiconductor valve means |
| 10/02/1997 | DE19613703A1 Regulator circuit arrangement for electronic transformer, especially for low-voltage halogen lamps |
| 10/01/1997 | EP0798847A1 Frequency converter for AC motor |
| 10/01/1997 | EP0798846A2 Zero voltage switching, series resonant half bridge VHF inverter |
| 10/01/1997 | EP0797864A1 Power rectifier circuit |
| 10/01/1997 | CN1160981A Drive circuit device for lamp |
| 10/01/1997 | CN1160946A Power-supply unit, controlling method for power-supply unit, power-supply unit for computer game and controller of supply unit for computer game |
| 10/01/1997 | CN1036036C Inverter protection device |
| 09/30/1997 | US5673189 Device for increasing the power yield of the fundamental component of a self-commutated power inverter |
| 09/30/1997 | US5673188 Zero voltage switching series resonant half bridge VHF inverter |
| 09/30/1997 | US5673186 Apparatus for protecting multiple output rectifiers in a current-fed DC-to DC converter |
| 09/30/1997 | US5673185 Circuit arrangement for generating a DC-separated output voltage |
| 09/30/1997 | US5673184 Switch mode power supply circuit with increased power factor for mains |
| 09/30/1997 | US5672920 Current sharing AC Bus Bar |
| 09/30/1997 | US5672070 Plug connection for two pairs of busbars |
| 09/25/1997 | WO1997035379A1 Electrical inverter with a silicon controlled rectifier full-bridge circuit |
| 09/25/1997 | WO1997035378A1 Power supply for electrostatic precipitator electrodes |
| 09/24/1997 | EP0797291A2 Method for providing a predetermined output impedance of the output circuit of an inverter |
| 09/24/1997 | EP0797288A1 Switching power supply with reduced harmonic network load |
| 09/24/1997 | EP0796757A2 Convertisseur de puissance pour un entrainement tolérant les défauts |
| 09/24/1997 | CN1160460A Controller for permanent magnet generator |
| 09/24/1997 | CN1160304A Electronic romote-controller power |
| 09/24/1997 | CN1035973C Power inverting method and system |
| 09/23/1997 | US5671134 Inverter unit and inverter apparatus |
| 09/23/1997 | US5671132 High voltage bipolar CT scanner power supply |
| 09/23/1997 | US5671130 Method and apparatus for controlling voltage reflections using a motor controller |
| 09/23/1997 | US5671128 Power supply apparatus |
| 09/23/1997 | US5671127 DC power supply device with high voltage and large power handling capability |
| 09/23/1997 | US5670834 Electric power converter with load compensation |
| 09/18/1997 | WO1997034446A1 High-frequency inverter and induction cooking device using the same |
| 09/17/1997 | EP0709000B1 Method and device for firing an m-pulse d.c./a.c. converter assembly consisting of a master d.c./a.c. converter and at least one slave d.c./a.c. converter |
| 09/17/1997 | CN1159675A Inverse transformer, leakage-proof device and method for preventing leakage of driven load of inverse transformer |