Patents for H02M 1 - Details of apparatus for conversion (33,954)
05/2002
05/28/2002US6396715 DC to DC converter for operating in selectable voltage modes
05/28/2002US6396714 Active clamping for zero current zero voltage forward conversion
05/28/2002US6396672 Apparatus and method for utilizing a snubber capacitor to power a silicon-controlled rectifier gate trigger circuit
05/23/2002WO2002041482A2 Leakage energy recovering system and method for flyback converter
05/23/2002WO2002041481A2 Dc-dc converter with reduced input current ripples
05/23/2002WO2002041480A2 Switchable power converter for multiple level input line power factor correction
05/23/2002WO2002041479A2 Voltage clamping system and method for a dc/dc power converter
05/23/2002WO2002041462A2 Inverter dc link volts 'tooth' modulation scheme
05/23/2002US20020060914 High frequency power generator and related methods
05/23/2002US20020060913 Power converter with power converter element and controller formed on different semiconductor substrates
05/23/2002US20020060340 Semiconductor component
05/22/2002EP1206829A1 Highly efficient driver circuit for a solid state switch
05/22/2002EP0813767B1 Switched-mode power supply with synchronous preconverter
05/22/2002CN1350717A General self-driven synchronous rectification scheme for synchronous rectifiers having a flouting gate
05/16/2002WO2002039788A1 Ballast self oscillating inverter with phase controlled voltage feedback
05/16/2002WO2002039572A1 Ac/dc converter
05/16/2002WO2002039567A2 Magnetic amplifier ac/dc converter with primary side regulation
05/16/2002US20020057540 Semiconductor switching devices
05/16/2002US20020057114 Circuit for driving gate of IGBT inverter
05/16/2002US20020057062 Discharge lamp lighting apparatus and lamp apparatus
05/16/2002US20020057019 Automatic power supply selector for a ACPI-compliant PCI devices
05/16/2002DE10056022A1 AC-DC converter for television receiver or discharge lamp has bridge circuit and step-up device capacitively coupled to resonant converter
05/16/2002DE10052710A1 DC voltage converter circuit has compensator for removing oscillation from intermediate voltage supplied to voltage converter
05/16/2002DE10048469A1 Method for improving the current waveform of a rectified power supply for delivery to a power consuming device in which fifth and seventh order harmonics are suppressed using a suitable voltage system
05/16/2002CA2436545A1 Ballast self oscillating inverter with phase controlled voltage feedback
05/15/2002CN1349297A Buffer circuit, and power conversion device using same
05/14/2002US6388903 Voltage compensating apparatus and method for 3-phase inverter employing four switches
05/14/2002US6388902 Switching power supply circuit
05/14/2002US6388900 Constant-frequency active filter controlled by a peak current control mode
05/14/2002US6388429 Controller for power factor corrector and method of operation thereof
05/14/2002US6388344 Power semiconductor array on a DCB substrate
05/10/2002WO2002037908A2 Active ground current reduction device
05/10/2002WO2002037657A1 Method and pulse-control circuit for a power component
05/09/2002US20020054499 Power conversion apparatus
05/09/2002US20020054497 Power supply system
05/08/2002EP1204198A2 Method and system for detecting a zero current level in a line commutated converter
05/08/2002EP1204197A2 Decive and method for network-side intermediate voltage regulation
05/08/2002CN2490755Y Column type trigger module
05/07/2002US6385066 Method and system for detecting a zero current level in a line commutated converter
05/07/2002US6385061 Switched mode power supply with programmable skipping mode
05/07/2002US6385060 Switching power supply with reduced energy transfer during a fault condition
05/07/2002US6385057 Power conversion system and method of power conversion
05/02/2002WO2002035892A2 Electronic ballast with continued conduction of line current
05/02/2002WO2002035703A2 A system and method for grouped gating control logic
05/02/2002WO2002035694A1 Portable device with reduced power dissipation
05/02/2002WO2002035691A1 Magnetic core, coil component comprising it, and power source circuit
05/02/2002US20020051368 Mobile power generation system
05/02/2002EP1202442A2 Switching power supply circuits
05/02/2002EP1202440A1 Snubber circuit and power converter using the same
05/02/2002EP1201022A1 Power converting circuit with reduced harmonic content
05/02/2002DE10048441A1 Detecting voltage breakdown in valve sections with series circuit of switchable power semiconductors, involves comparing voltage applied to each monitored valve section with threshold
05/01/2002CN2488903Y Ozone generator with power supply purifying function
04/2002
04/30/2002US6381155 Method for clusterized power sharing conversion and regulation of the primary power source within a converting and regulating power supply, and system
04/30/2002US6381152 Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device
04/30/2002US6381151 High efficiency switching controller
04/30/2002US6380800 Pump area reduction through the use of passive RC-filters or active filters
04/30/2002US6380796 Semiconductor power converting apparatus
04/30/2002US6380722 Method to increase the efficiency of a power switching device
04/30/2002US6380692 Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes
04/25/2002US20020048181 Method and apparatus for electric power conversion optimized for efficient harmonic elimination
04/25/2002US20020047743 Active power filter for isolating electrically noisy load from low noise power supply
04/25/2002US20020047693 Zero voltage, zero current switching boost converter
04/25/2002US20020047634 Discharge lamp lighting circuit
04/25/2002US20020047309 DC to DC converter and power management system
04/25/2002US20020047000 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
04/25/2002DE10050947A1 Device for regulating intermediate circuit voltage on mains side, e.g. for electric locomotive, has device for determining mains voltage harmonics to be added to correction value for converter desired voltage value
04/24/2002EP1199911A1 Ballast method and apparatus and coupling therefor
04/24/2002EP1199790A2 Power supply pulse width modulation (PWM) control system
04/24/2002EP1198876A1 System for controlling the delivery of power to dc computer components
04/24/2002CN1346534A Electronic ballasts with current and voltage feedback paths
04/24/2002CN1346173A Self-correction step-up active filtering switch power source
04/24/2002CN1346172A Heat radiation increased and over current load avoided small sized power supply
04/23/2002US6377481 Power supply including diode recovery current suppression circuit
04/23/2002US6377479 Power conversion system
04/23/2002US6377476 Protection circuit for active switches in clamp-mode topologies, and power converter employing the same
04/23/2002US6377428 Switching device having the capability of detecting an abnormality
04/23/2002US6377107 Fast turn-off circuit arrangement
04/18/2002WO2002031950A2 System and method for detection of zero current condition
04/18/2002WO2001071775A3 A low-inductance capacitor and a method for minimizing inductance in a snubber circuit
04/18/2002WO2001069984A3 Method and apparatus of an improved electronics ballast circuit
04/18/2002WO2001048516A3 Emi reduction for isolated bus systems
04/18/2002US20020044473 Power converting apparatus and power generating apparatus
04/18/2002US20020044468 Universal high efficiency power converter
04/18/2002US20020044466 Voltage converter circuit with self-oscillating half-bridge configuration and with protection against hard switching
04/18/2002US20020044463 Power supply device with detection of malfunctioning
04/18/2002US20020044460 Converter system for increasing a DC voltage
04/18/2002US20020044459 Snubber circuit and power transformer using the same
04/18/2002US20020044004 Highly efficient driver circuit for a solid state switch
04/18/2002US20020043968 Active filter and method for suppressing current harmonics
04/17/2002EP1198058A1 Single-phase converter, converter and refrigeration cycle device
04/17/2002EP1198056A2 Power converting apparatus and power generating apparatus
04/17/2002EP1196982A1 Universal switched power converter
04/17/2002EP1196981A2 Control of dc/dc converters having synchronous rectifiers
04/17/2002CN2487151Y Large power source harmonic suppressor for variable frequency air conditioner
04/17/2002CN1083170C DC power supply device and air conditioner
04/16/2002US6373735 AC-DC converter with reduced energy loss through a switching element
04/16/2002US6373734 Power factor correction control circuit and power supply including same
04/16/2002US6373731 Surge voltage suppressed power inverter using a voltage driven switching element
04/16/2002US6373730 Switching power supply
04/16/2002US6373729 Electric power source apparatus including electric power converter circuit and method for controlling the same