Patents for H02M 1 - Details of apparatus for conversion (33,954)
11/2000
11/14/2000US6147883 Output feedback and under-voltage detection
11/14/2000US6147882 Single-stage input current shaping technique with voltage-doubler rectifier front-end
11/14/2000US6147477 DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon
11/14/2000CA2241585C Power supply with re-configurable outputs for different output voltages and method of operation thereof
11/09/2000WO2000067532A1 Ballast having a resonant feedback circuit for linear diode operation
11/09/2000DE19920911A1 Switching power supply unit for DC to DC converter, has switching transistor connected to transformer primary, with associated components including capacitor, resistance and diode for providing damping of ringing voltages
11/09/2000DE19920625A1 Schutzschaltung für einen Schalter sowie Schaltnetzteil Protection circuit for a switch and switching power supply
11/08/2000EP1050952A1 Rectifying/smoothing circuit and double-ended converter
11/08/2000EP1050950A2 Improvements in and relating to power supply
11/07/2000US6144570 Control system for a HVDC power supply
11/07/2000US6144269 Noise-cut LC filter for power converter with overlapping aligned coil patterns
11/07/2000US6144194 Polyphase synchronous switching voltage regulators
11/02/2000EP1049241A2 Modified space vector pulse width modulation technique to reduce DC bus ripple effect in voltage source inverters
11/02/2000EP1049239A1 Power factor correction controller circuit
11/02/2000EP1049238A2 Electronic circuit particularly for a frequency inverter
11/02/2000EP0764359B1 Improved emi filter topology for power inverters
11/02/2000DE19919670A1 Elektrische Schaltung insbesondere für einen Frequenzumrichter Electrical circuit for a particular frequency
11/02/2000DE19918028A1 Halbleiter-Bauelement Semiconductor component
11/02/2000DE10019461A1 Suppression filter for semiconductor switching static converter or inverter, has combined choke and capacitor arrangement
11/01/2000CN1271997A Noise inhibiting wave filter
11/01/2000CN1271983A Power transducer protective device
10/2000
10/31/2000US6141230 Valley-fill power factor correction circuit
10/31/2000US6141227 Power supply with reduced second harmonic
10/31/2000US6140777 Preconditioner having a digital power factor controller
10/30/2000CA2687316A1 Control arrangement and method for power electronic system
10/30/2000CA2280384A1 Control arrangement for a power electronic switch
10/30/2000CA2280382A1 Power supply operable with wide input range
10/26/2000WO2000064037A1 Circuit for correcting the power factor
10/26/2000WO2000063972A1 Semiconductor component
10/26/2000DE19917599A1 Power inverter with filter for driving motor
10/25/2000EP1046228A1 Level shifter
10/25/2000CN2403174Y Electromagnetic oven with power filter circuit
10/24/2000US6137706 Dual-input, automatic-switching power supply
10/24/2000US6137701 High and low voltage D. C. power supply
10/24/2000US6137700 Converter with a high power factor using a DC center point voltage
10/24/2000US6137697 Universal switched power converter with demagnetising
10/24/2000US6137272 Method of operating an AC-DC converter
10/24/2000US6137267 Reverse current protection/current overshoot control for two quadrant battery chargers
10/24/2000US6137240 Universal ballast control circuit
10/24/2000CA2216275C Rcc-type switching power supply
10/19/2000WO2000062396A1 Universal harmonic mitigating system
10/18/2000EP1044587A1 Ground fault protection circuit
10/18/2000CN1270440A Compensation method of converter
10/18/2000CN1270438A Two stage three-phase separating voltage converter
10/17/2000US6134128 Method for protecting a high-performance power converter and a protection arrangement for executing the method
10/17/2000US6134127 PWM harmonic control
10/17/2000US6134126 Power conversion system
10/17/2000US6134125 AC and DC input power supply
10/11/2000EP1043831A2 Two-stage; three-phase split boost converter
10/11/2000EP1042942A1 An electronic ballast for a gas discharge lamp
10/10/2000US6130832 Active filtering of AC/DC switched converter input current
10/10/2000US6130575 High-speed switching regulator drive circuit
10/05/2000WO2000059106A1 A two stage architecture for a monitor power supply
10/05/2000WO2000059105A1 Fixed off time and zero voltage switching dual mode power factor correcting converter
10/05/2000WO2000059104A1 A high-efficiency soft-switching power supply
10/05/2000WO2000059103A1 A low power dissipation power supply and controller
10/05/2000WO2000059101A1 Method and apparatus for controlling pulse width modulation device
10/05/2000DE19926642A1 Schaltkreis zur Leistungsfaktorverbesserung Circuit power factor correction
10/05/2000DE19914505A1 Circuit for correcting power factor for gas discharge lamp balast power supply has at least one further diode between storage capacitor and rectifier that discharging of storage capacitor by rectifier is prevented
10/05/2000CA2380688A1 Method and apparatus for controlling pulse width modulation device
10/04/2000EP1040730A1 Preconditioner
10/04/2000EP1040558A1 Method for influencing the electrical power of a load with a pulse width modulated signal
10/04/2000EP1040555A1 Converter connection assembly with a direct voltage intermediate circuit
10/04/2000EP1040554A1 Miniature power supply
10/04/2000CN1269064A Switch-mode power supply with over-current protection
10/04/2000CN1268803A 电源装置 Power supply unit
10/04/2000CN1057174C Three-phase rectification circuit having power factor correcting and harmonic suppressing circuit
10/03/2000US6128205 Power factor correction with reduced total harmonic distortion
10/03/2000US6127814 System to protect switch mode DC/DC converters against overload current
10/03/2000US6127743 Universal harmonic mitigating system
09/2000
09/28/2000WO2000057543A1 High frequency switch-mode dc powered computer system
09/28/2000DE19913464A1 Circuit arrangement for reduction of switching inteferences comprises back-up capacitor formed as a shunt connection with different capacitors in parallel combinations
09/27/2000CN1056950C High frequency AC/AC converter with power factor correction
09/26/2000US6125046 Switching power supply having a high efficiency starting circuit
09/21/2000WO2000056121A1 Circuit arrangement and signal light provided with said circuit arrangement
09/20/2000EP1037387A2 Stabilized gate driver
09/20/2000CN1056719C Furnace equipment
09/20/2000CN1056708C Improvement on triphase half-control bridge silicon controlled trigger circuit
09/19/2000US6122184 Method and system for an improved converter output filter for an induction drive system
09/19/2000US6122183 Two-stage, three-phase boost converter with reduced total harmonic distortion
09/14/2000WO2000054398A1 General self-driven synchronous rectification scheme for synchronous rectifiers having a floating gate
09/14/2000CA2364464A1 General self-driven synchronous rectification scheme for synchronous rectifiers having a floating gate
09/13/2000EP1035638A2 Method and circuit arrangement for imaging the network voltage near power supply devices capable of feeding back energy
09/13/2000CN2396565Y Automatic telescopic device for telephone antenna
09/13/2000CN1266548A Self-compensating converter
09/13/2000CN1056482C Common turn-off circuit for thyristor power converter
09/12/2000US6118675 Method and apparatus for controlling power transfer in a flyback converter by modulating the power switch off time during transient conditions
09/12/2000US6118225 High frequency discharge lamp operating circuit with resonant power factor correction circuit
09/07/2000DE19909706A1 Verfahren und Schaltungsanordnung zur Abbildung der Netzspannung bei rückspeisefähigen Versorgungsgeräten Method and circuit arrangement for imaging the mains voltage in regenerative supply equipment
09/07/2000DE19908124A1 Wechselrichter ohne Oberschwingungen Inverter without harmonics
09/06/2000EP1033806A2 Electric power supply
09/06/2000EP1032968A2 Switched-mode power supply
09/06/2000CN1265784A Power converter
09/05/2000US6115277 Battery charger adapter for military vehicles
09/05/2000US6115274 Frequency modulation controller for single-switch, polyphase, DCM boost converter and method of operation thereof
09/05/2000US6115271 Switching power converters with improved lossless snubber networks
09/05/2000US6115270 Electric power conversion assembly with ceramic smoothing capacitor
09/05/2000US6115267 AC-DC converter with no input rectifiers and power factor correction
09/05/2000US6114669 Apparatus for controlling the power supply to a load in a reproduction apparatus, more particularly to a fixing unit
09/05/2000CA2238733C Power factor and crest factor circuit