Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
11/2000
11/30/2000DE19933069A1 Three phase input-feedback unit for driving variable speed three-phase machines has four quadrant control element mains converter connected to two phases of three-phase mains
11/30/2000DE10013757A1 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp
11/29/2000EP1056205A2 Semiconductor apparatus
11/29/2000EP1056190A1 Power supply device, power supply method, portable electronic device, and electronic watch
11/29/2000EP1056188A2 Power factor correction circuit
11/29/2000EP1055477A2 Fusing processing method
11/29/2000EP1055280A1 Self-drive synchronous rectification scheme
11/29/2000CN2408611Y Stepped regulating controller for household electric appliance power
11/29/2000CN1274985A Digital inverter-controlling method and controller based on fuzzy compensation
11/29/2000CN1274978A Series compensator
11/29/2000CN1274630A Welding processing method
11/28/2000US6154422 Power-generating device, charging method and clocking device
11/28/2000US6154382 High-voltage power supply circuit having a plurality of diode bridges connected in series to the secondary winding of a transformer
11/28/2000US6154379 Electric power conversion device
11/28/2000US6154090 Method of and an active filter for reducing a residual ripple of a current drawn by a load from a network
11/23/2000WO2000070737A1 A plant for transmitting electric power
11/23/2000WO2000070736A1 Method and apparatus for converting a dc voltage to an ac voltage
11/23/2000WO2000070735A1 Device and method for line-voltage dependent thyristor controlled pre-charging of output capacitors in a three-level pulse rectifier system
11/23/2000WO2000070734A1 Control of a dc matrix converter
11/23/2000DE19958934A1 Motor control unit for controlling switching element of each switching arm and regulating current supplied to motor in vehicle, has high voltage and low voltage switching units and temperature detection diodes
11/23/2000DE19955570A1 Stromrichteranordnung Converter assembly
11/23/2000DE19922860A1 Circuit for mains stage component with variable output parameters has bridge rectifier connected to winding center tapping via switch and diode
11/22/2000EP1053589A1 Expanded input voltage range for switch-mode power supply in broadband network
11/22/2000EP1053580A1 An improved connector scheme for a power pod power delivery system
11/22/2000CN2407505Y Multiple power switching power supply for color TV set
11/22/2000CN1274514A Preconditioner
11/22/2000CN1274192A Power transfering system
11/22/2000CN1274191A Mains connection set
11/22/2000CN1058819C Circuit arrangment for powering load
11/21/2000US6151234 Apparatus for converting a direct current into an alternating current
11/21/2000US6151232 Power supply circuit utilizing a piezoelectric transformer that supplies power to a load whose impedance varies depending on temperature
11/21/2000US6151230 Charge pump regulation circuit with overvoltage protection
11/21/2000US6151227 Controller for power converter
11/21/2000US6151201 Gas-insulated high-voltage semiconductor valve means
11/21/2000US6150761 Discharge lamp ballast circuit with charge pump igniter
11/21/2000US6150731 Integrated high frequency marine power distribution arrangement with transformerless high voltage variable speed drive
11/16/2000WO2000069231A1 High-voltage transformer and electrodynamic particle accelerator
11/16/2000WO2000069221A1 Modular high power induction heating and melting system
11/16/2000WO2000069059A1 Switching power supply circuit
11/16/2000WO2000069058A1 Switching power supply circuit
11/16/2000WO2000069053A1 Power factor correction application
11/15/2000EP1052774A2 Circuit arrangement with a half bridge
11/15/2000EP1052763A1 Low loss synchronous rectifier for application to clamped-mode power converters
11/15/2000EP1051799A1 A converter device
11/15/2000EP1051798A1 Power converter
11/15/2000CN1273453A Power factor modifying circuit
11/15/2000CN1273452A Power supply equipment
11/14/2000US6148019 Modular high power induction heating and melting system
11/14/2000US6147887 Inverter utilizing a bootstrap method
11/14/2000US6147885 Method and apparatus for controlling providing of conditioned AC power
11/14/2000US6147524 Inverter device driving method
11/14/2000CA2241585C Power supply with re-configurable outputs for different output voltages and method of operation thereof
11/09/2000DE19963450A1 Power supply device e.g. for battery-operated electric hand tool, has temperature of step-down transformer monitored by thermal protection switch for automatic disconnection from mains supply
11/08/2000EP1050943A2 Electronic motor protection system
11/08/2000EP1050196A1 Resonant converter circuit
11/08/2000CN2405375Y Three phase intelligent module ac regulating silicon rictifier
11/08/2000CN1272962A Piezoelectric transformer
11/08/2000CN1272961A Method for designing power supply circuit and semiconductor chip
11/07/2000US6144571 Semiconductor module, power converter using the same and manufacturing method thereof
11/07/2000US6144570 Control system for a HVDC power supply
11/07/2000US6144568 Circuit arrangement for operating electrical lamps
11/07/2000US6144567 Plant for transmitting electric power, including VSC-converter and DC/DC-converter
11/07/2000US6144269 Noise-cut LC filter for power converter with overlapping aligned coil patterns
11/07/2000US6144190 Energy conversion system employing stabilized half-bridge inverter
11/07/2000US6144176 Method for reducing acoustic and vibration energy radiated from rotating machines
11/07/2000US6144174 Control device for low-pressure fluorescent lamp
11/07/2000US6144173 Single switch electronic ballast
11/07/2000US6144169 Triac dimmable electronic ballast with single stage feedback power factor inverter
11/07/2000US6144167 Circuit arrangement
11/07/2000US6144139 Piezoelectric transformer inverter
11/07/2000US6142090 Power converter arrangement for integration into a ship structure
11/02/2000EP1049241A2 Modified space vector pulse width modulation technique to reduce DC bus ripple effect in voltage source inverters
11/02/2000EP1048388A2 Resistance welding power supply apparatus
11/02/2000DE10019461A1 Suppression filter for semiconductor switching static converter or inverter, has combined choke and capacitor arrangement
11/01/2000CN2404261Y Large power driving inverter
11/01/2000CN1272235A Method of overcharge prevention, charger circuit, electronic device and timepiece
11/01/2000CN1271997A Noise inhibiting wave filter
11/01/2000CN1271983A Power transducer protective device
11/01/2000CN1271631A Power supply apparatus for resistance welding
10/2000
10/31/2000US6141233 Rectifier circuit device and DC/Dc converter provided with the circuit device
10/31/2000US6141228 Parallel resonant DC linked inverter arrangement and method utilizing antiferroelectric dielectric material
10/31/2000US6141227 Power supply with reduced second harmonic
10/31/2000US6140873 Power amplifier with soft switching and multilevel switching cells
10/31/2000US6140777 Preconditioner having a digital power factor controller
10/30/2000CA2280382A1 Power supply operable with wide input range
10/26/2000WO2000064037A1 Circuit for correcting the power factor
10/26/2000WO2000064004A2 An rf transponder
10/26/2000DE19945864A1 ARCP Dreipunkt- oder Mehrpunktstromrichter ARCP three-point or multi-point converter
10/26/2000DE19917599A1 Power inverter with filter for driving motor
10/25/2000EP1047180A2 ARCP three-point power converter or multi-point power converter
10/25/2000EP1047179A1 Method of operating a power supply system having parallel-connected inverters, and power converting system
10/25/2000EP1046323A1 Circuit arrangement
10/25/2000EP1046228A1 Level shifter
10/25/2000CN1271207A Operation method for power supply system with parallel connected invertor and power change-over system
10/25/2000CN1271206A ARCP three point or multip point invertion converter
10/25/2000CN1057879C Pulse-width modulation control system for electric power converter
10/24/2000US6137705 Drive control and protection circuit for a car power inverter
10/24/2000US6137703 Clamped bidirectional power switches
10/24/2000US6137697 Universal switched power converter with demagnetising
10/24/2000US6137235 Low-resistance bipolar bridge circuit