Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
11/2002
11/21/2002DE10123414A1 Static converter as 3-phase current converter controlled using vector modulation and fixed step control method
11/20/2002EP1259104A1 Power converter system for a railway vehicle
11/20/2002EP1258076A1 Switching power supply with storage capacitance and power regulation
11/20/2002CN1380739A Automatical driving circuit of low-voltage output synchronous rectifier
11/19/2002US6483731 Alexander topology resonance energy conversion and inversion circuit utilizing a series capacitance multi-voltage resonance section
11/19/2002US6483730 Power converters with AC and DC operating modes and methods of operation thereof
11/19/2002US6483687 Power supply apparatus
11/19/2002US6483280 Electronic circuit for optimizing switching losses in current-driven power devices
11/19/2002CA2047853C Electrostatic spraying device and method
11/14/2002WO2002091540A2 Power conditioning for model railroad control decoders
11/14/2002WO2002078162A3 Power converter array
11/14/2002US20020167825 Power converter system
11/14/2002US20020167772 Bridge rectifer for rotary current generators
11/14/2002US20020167770 Protecting circuit against short-circuit of output terminal of AC adapter
11/14/2002US20020167385 Transformer with integrated inductor
11/14/2002US20020167300 Method for measuring phase current for inverter control apparatus using single current sensor and apparatus therefor
11/14/2002DE10120705A1 Ansteuerung für Halbbrücke Control for half-bridge
11/13/2002EP1256163A1 Rectifier system
11/13/2002EP0891648B1 Gas-insulated high-voltage semiconductor valve means
11/13/2002EP0882323A3 Device for rectifying voltage with integrated components
11/13/2002CN2520609Y HF high-voltage pulse inverter
11/13/2002CN1379540A Intensified full-bridge phase-shift soft switch method and converter
11/13/2002CN1379539A Method and device for compensating ripple amplitude modulation
11/13/2002CN1379538A Multi output power conversion circuit
11/12/2002US6480405 Full-wave rectifier
11/12/2002US6480404 Device for producing electricity from a three-phase network, in particular for a road vehicle
11/12/2002US6480403 HVDC device for converting between alternating voltages and direct current voltages
11/12/2002US6479970 Un-interruptible power supply
11/12/2002US6477965 Power conversion device for a rail way vehicle
11/12/2002CA2282919C High-voltage power supply circuit having a plurality of diode bridges connected in series to the secondary winding of a transformer
11/07/2002WO2002089308A1 Control for a half-bridge
11/07/2002WO2002089303A1 Ac-dc converter with no input rectifying diode bridge
11/07/2002WO2002049198A3 Preconditioner
11/07/2002WO2002041482A3 Leakage energy recovering system and method for flyback converter
11/07/2002US20020163820 Power converter apparatus using power device
11/07/2002US20020163818 Magnetic device and method of manufacture therefor
11/07/2002US20020163322 Active rectifier
11/07/2002DE10118285A1 Schaltung zur Umwandlung von Wechselspannung in Gleichspannung A circuit for converting AC voltage into DC voltage
11/06/2002EP1255346A2 Transformer with integrated choke coil
11/06/2002EP1254505A2 Step wave power converter
11/06/2002EP1010233A4 Leakage current power supply
11/06/2002CN1378412A High brilliance discharge lamp ignitor and lighting device
11/06/2002CN1378334A DC power device and air conditioner
11/06/2002CN1378333A DC power device and air conditioner
11/06/2002CN1378285A 半导体器件 Semiconductor devices
11/05/2002US6477067 Method and apparatus for compensating for device dynamics in inverter based control systems
11/05/2002US6476571 Multiple power source system and apparatus, motor driving apparatus, and hybrid vehicle with multiple power source system mounted thereon
10/2002
10/31/2002WO2002087067A1 Electronic supply device for electronic-switching motors
10/31/2002WO2002087062A2 Current inverter
10/31/2002WO2002037903A3 Circuit arrangement
10/31/2002US20020161490 Railway vehicle operation-control system and a railway vehicle using the operation control system
10/31/2002US20020159281 Resonant inverter circuit
10/31/2002US20020159279 AC-to-DC converter
10/31/2002US20020159278 Electric supply device, in particular for motor vehicle on-board network
10/31/2002US20020158616 Power supply with flux-controlled transformer
10/31/2002US20020158470 Portable generator
10/31/2002US20020158329 Capacitor module and semiconductor device using the same
10/31/2002US20020158304 Semiconductor power component comprising a safety fuse
10/30/2002EP1253706A1 Power electronic circuit and process to transfer active power
10/30/2002EP1253059A1 Railway vehicle operation-control system and a railway vehicle using the operation control system
10/30/2002EP1252705A1 Simplified implementation of parallelability for modules with synchronous rectification
10/30/2002EP1252704A2 Load matched alternator system
10/30/2002EP1251991A1 Method for regulating and/or controlling a welding current source with a resonance circuit
10/30/2002EP1155494B1 Rectifier system, preferably for a three-phase generator for motor vehicles
10/30/2002CN2519529Y Ultra large power dc transducer
10/30/2002CN2519528Y Industrial laser printer main current controller
10/30/2002CN1377125A Step-up transformer
10/29/2002US6473322 AC-DC converter
10/29/2002US6473320 Voltage converter circuit with self-oscillating half-bridge configuration and with protection against hard switching
10/29/2002US6473318 Leakage energy recovering system and method for flyback converter
10/29/2002US6472775 Method and system for eliminating certain harmonics in a distributed power system
10/25/2002CA2381841A1 Power-electronic circuit arrangement, and a method for transmitting real power
10/24/2002WO2002084873A1 Synchronous rectifiers
10/24/2002WO2002084856A1 Converter
10/24/2002WO2002084854A2 Method and voltage transformer for transforming a dc input voltage current to an ac voltage in a system frequency range
10/24/2002WO2002084851A1 Vsc-converter
10/24/2002WO2002084840A2 Diode arrangement comprising zener diodes and a generator
10/24/2002US20020154526 PWM converter system
10/24/2002US20020154525 Circuit for converting AC voltage into DC voltage
10/24/2002US20020154523 Circuit for converting AC voltage into DC voltage
10/24/2002US20020154522 Switching power supply
10/24/2002US20020154520 Intrinsically safe universal switching power supply
10/24/2002US20020154517 Driving a quadrapole mass spectrometer via an isolating stage
10/24/2002US20020153847 Portable device with reduced power dissipation
10/24/2002DE10119106A1 Transformer for switch-mode power supply, has three cores formed as separate components and with air gaps between
10/24/2002DE10115326A1 Method for controlling resonant circuit inverter, resonant circuit inverter and automatic controller based on monitoring voltage-time areas of inverter output voltage
10/24/2002CA2443505A1 Method and voltage converter for converting a d.c. input voltage to an a.c. voltage in the mains frequency range
10/23/2002EP1251632A2 Circuit for generating three-phase PWM signal
10/23/2002EP1251631A2 PWM converter system
10/23/2002EP1251630A2 Switching power supply
10/23/2002EP1251037A2 Electrical motor system
10/23/2002EP1250741A1 Inrush current limiting circuit, power source device and power conversion device
10/23/2002CN1375902A DC-to-ac converter, power supplying system and method for reducing current-leakage in power-supplying system
10/23/2002CN1375441A Variable frequency escalator controlling technology
10/23/2002CN1093334C Synchronous rectifier device for alternator
10/23/2002CN1093333C Switching magnet-resistance driver with high power factor
10/22/2002USRE37889 Low loss synchronous rectifier for application to clamped-mode power converters
10/22/2002US6469922 Method and apparatus for controlling minimum brightness of a flourescent lamp
10/22/2002US6469920 Inductorless variable voltage appliance power supply
10/22/2002US6469919 Power supplies having protection circuits