Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 1 - Details of apparatus for conversion
Patents for H02M 1 - Details of apparatus for conversion (33,954)
04/2003
04/24/2003US20030076079 Integrated power supply protection circuit
04/24/2003US20030075748 Semiconductor device and method of driving transistors
04/23/2003EP1303903A1 A dc switching regulator
04/23/2003EP1303901A1 Thermal protection circuit for high output power supplies
04/23/2003CN1412925A Power inverter
04/22/2003USRE38082 High frequency pulse transformer for an IGBT gate drive
04/22/2003US6552919 Converter utilizing pulse duration modulation and ripple control
04/22/2003US6552517 Switch-type voltage regulator with reduction of occupied space for soft-start functions
04/17/2003WO2003032475A2 Power conversion apparatus, power conversion system, and islanding operation detection method
04/17/2003WO2003032474A1 A motor control circuit and associated full bridge switching arrangement
04/17/2003WO2003032466A1 Uninterruptible power supply and its starting method
04/17/2003WO2003032428A1 Capacitor discharging circuit
04/17/2003WO2003001655A3 A method for reducing mains harmonics and switching losses in discontinuous-mode, switching power converters
04/17/2003US20030072117 Electric power conversion apparatus
04/17/2003US20030071690 Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter
04/17/2003US20030071681 IC device having a transistor switch for a power supply
04/17/2003US20030071602 Power supply apparatus
04/17/2003US20030071597 Solar, wind, and hydro power regulator
04/17/2003US20030071589 Drive circuit for brushless DC fan motor
04/17/2003US20030071586 Sequential burst mode activation circuit
04/17/2003CA2359268A1 Flyback power supply prompt gamma protection apparatus
04/16/2003EP1303031A2 Commutated electronic power converter
04/16/2003EP1301985A1 Method for recognition and/or limiting the short-circuit state of a switching converter and switching converter
04/16/2003CN2545748Y Passive power factor correction circuit
04/16/2003CN1410855A Electric power controlling method and apparatus thereof
04/15/2003US6549441 Voltage switch-over device
04/15/2003US6549438 AC-to-DC converter circuit utilizing IGBT's for improved efficiency
04/15/2003US6549434 Harmonic mitigating method and apparatus
04/15/2003US6549386 Protection circuit for a switch, and a switched-mode power supply
04/15/2003US6548992 Integrated power supply protection circuit
04/15/2003US6548985 Multiple input single-stage inductive charger
04/10/2003WO2003030595A1 Self-oscillating bridge circuit comprising a start circuit
04/10/2003WO2003030364A2 Control device
04/10/2003WO2003030359A2 Gate driver apparatus having an energy recovering circuit
04/10/2003WO2003030346A1 Power source apparatus
04/10/2003WO2003030342A2 Soft-start of dc link capacitors for power electronics and drive systems
04/10/2003WO2003030218A2 Apparatus and method for turning off bjt used as controlled rectifier
04/10/2003US20030067342 Method for driving a power semiconductor
04/10/2003US20030067339 Integrated circuit
04/10/2003US20030067303 Method for monitoring the ground potential of a rectifier drive
04/09/2003EP1300937A2 Air conditioning device
04/09/2003EP1300935A2 Energy saving power control system
04/09/2003EP1299950A1 Method and device for a condition-dependent control of the transient behavior of power semiconductor switches
04/09/2003EP1299938A1 Active filter and method for suppressing current harmonics
04/09/2003EP1299937A1 Network filter
04/09/2003EP1299936A1 Protective circuit for a network-controlled thyristor bridge
04/09/2003CN1409488A Method for driving power semiconductor element
04/09/2003CN1409471A Semi-bridge type PFC bus voltage eqaulation control method and device
04/09/2003CN1409064A Variable frequency air conditioner
04/08/2003US6545887 Unified constant-frequency integration control of three-phase power factor corrected rectifiers, active power filters and grid-connected inverters
04/08/2003US6545884 Alternator system
04/08/2003US6545882 PWM controller having off-time modulation for power converter
04/08/2003US6545450 Multiple power converter system using combining transformers
04/03/2003WO2003026377A2 Ac/dc charger for mobile phone
04/03/2003US20030063483 Apparatus and method for turning off bjt used as controlled rectifier
04/03/2003US20030063482 Apparatus and method for turning off bjt used as synchronous rectifier
04/03/2003US20030063481 Soft-start of DC link capacitors for power electronics and drive systems
04/03/2003US20030063442 Power module
04/03/2003US20030062930 Gate driver apparatus having an energy recovering circuit
04/03/2003DE20301124U1 Device for damping electromagnetic noise signals from lamps or electrical equipment in electronic system, has earth line wound around iron core
04/02/2003EP1298802A1 Method for controlling a power semiconductor
04/02/2003EP1298782A2 Inverter air-conditioner
04/02/2003EP1298780A1 X-ray generator and x-ray ct apparatus comprising the same
04/02/2003EP1297614A1 Electronic transformer
04/02/2003CN2543274Y Pfc无源钳位装置 Pfc passive clamping device
04/02/2003CN1407702A Device for reducing noise current in power adaptor
04/01/2003US6542012 Circuit for driving gate of IGBT inverter
03/2003
03/27/2003WO2003026118A1 A converter and a method for controlling a converter
03/27/2003WO2003025692A1 Amplifier having a variable power factor
03/27/2003WO2003000025A3 Current inrush limiting and bleed resistor current inhibiting in a switching power converter
03/27/2003US20030057923 Power generating device
03/27/2003US20030057778 Multiple DC control for single power supply
03/27/2003US20030057468 Semiconductor power module and power convertor
03/26/2003EP1296444A1 Driver device for sliding a panel of a vehicle
03/26/2003EP1296441A1 Power generating arrangement
03/26/2003CN1406408A Magnetic core, coil component comprising it, and power source circuit
03/26/2003CN1405964A Electric-power converter
03/26/2003CN1405962A PWM controller with off-period regulation function for power-supply convertor
03/26/2003CN1405958A Series power-switch arm capable of automatically equalizing voltage
03/25/2003US6538909 Universal high efficiency power converter
03/25/2003US6538908 Method and apparatus providing a multi-function terminal for a power supply controller
03/25/2003US6538905 DC-to-DC power converter including at least two cascaded power conversion stages
03/25/2003US6538481 Driving control device, power converting device, method of controlling power converting device and method of using power converting device
03/25/2003US6538480 Load driving device
03/20/2003WO2003023947A1 Current sense and control of dc/dc converters
03/20/2003US20030053324 Power conversion device
03/20/2003US20030053322 Power supply regulating
03/20/2003US20030053320 Harmonic mitigating method and apparatus
03/20/2003US20030052658 Method and apparatus for electronic power control
03/20/2003US20030052653 Amplifier having a variable power factor
03/20/2003US20030052401 Power converter of electric car or hybrid car
03/20/2003DE20216401U1 Passive power-factor correction circuit e.g. for industrial consumer loads, uses low-frequency inductance in order to prolong the conduction time
03/19/2003EP1294087A2 Power supply
03/19/2003EP1293030A1 Circuit arrangement
03/19/2003EP0808552B1 Ballast system
03/19/2003CN1404649A Start-up circuit for flyback converter having secondary pulse width modulation control
03/19/2003CN1404648A Method and device for reducing harmonics in power converters
03/19/2003CN1404209A Drive controller, power conversion apparatus and its controlling method and using method
03/19/2003CN1404207A 开关电源设备 Switching Power Supplies
03/19/2003CN1404206A Power inverter
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