Patents for H02M 1 - Details of apparatus for conversion (33,954)
09/2009
09/29/2009US7595569 Versatile and intelligent power controller
09/24/2009WO2009116589A1 Power supply apparatus
09/24/2009WO2009116360A1 Device for driving inverter
09/24/2009WO2009115962A1 Method and device for driving a hid lamp
09/24/2009WO2009088843A3 Method and apparatus to remove energy from dc loads
09/24/2009WO2009043186A4 Arrangement for protecting inverters comprising an intermediate voltage circuit from a bridge short-circuit
09/24/2009US20090237965 Semiconductor device for switching power supply control, startup circuit, and startup method for switching power supply device
09/24/2009US20090237964 Method for operating a converter circuit and apparatus for implementing the method
09/24/2009US20090237963 Ups frequency converter and line conditioner
09/23/2009EP2104401A1 Zero crossing detection of line voltage/current of variable amplitude
09/23/2009EP2104212A1 Method and device for driving a HID lamp
09/23/2009EP2102975A1 Power converter with snubber
09/23/2009CN201315545Y Anti-interference circuit and electric equipment with same
09/23/2009CN201315544Y Wind-cooling heat-dissipation device used in power module unit of power cabinet on wind-power generating equipment
09/23/2009CN101542877A Circuit protection and control system, and protection and control method applying the system
09/23/2009CN101540580A Electric energy feedback device
09/23/2009CN101540546A Power factor correction circuit and power supply device thereof
09/23/2009CN101540545A Non-contact electric energy transmission system based on single-phase matrix convertor
09/23/2009CN101540544A Circuit used for drive control of flow current tube of direct current/direct current converter
09/23/2009CN101540543A Electric power converter
09/23/2009CN101540542A Single-inductor switch direct current voltage converter and 4-mode control method
09/23/2009CN101540541A Method for switching power inverter by PSM or PWM dual-module modulation
09/23/2009CN101540502A Speed controller including a device for protection against overcurrents and overvoltages
09/23/2009CN100544172C Working frequency producing method and circuit of switching type electric voltage transposer
09/23/2009CN100544171C Suspending chopper box of magnetic suspension train
09/22/2009US7593244 Limit for the harmonics of a current
09/22/2009US7593243 Intelligent method for DC bus voltage ripple compensation for power conversion units
09/22/2009CA2521211C Switching power supply with capacitor input for a wide range of ac input voltages
09/19/2009CA2657251A1 Method for operating a converter circuit and apparatus for implementing the method
09/17/2009WO2009112389A1 Motor activation circuit for a rail vehicle and method for the operation thereof
09/17/2009WO2009112372A1 Vehicle, in particular rail vehicle, having a transducer unit and method for converting a voltage
09/17/2009WO2009112067A1 Switching arrangement and method for controlling power converters
09/17/2009WO2009095890A3 Switched-mode power supply
09/17/2009US20090231892 Uninterruptible power supply
09/17/2009US20090231891 Reactor arrangement for alternating electrical current
09/17/2009US20090231890 Boost converter input ripple current reduction circuit
09/17/2009US20090231889 Method and apparatus for ac to dc power conversion with reduced harmonic current
09/17/2009US20090231886 Power supply and bootstrap circuit thereof
09/17/2009US20090231026 Magneto-electric-induction conversion system of wireless input device
09/17/2009US20090230902 Inverter system for vehicle-mounted air conditioner
09/17/2009DE102009008714A1 Halbleiterbauteil vom Trench-Gate-Typ Semiconductor device of trench gate type
09/17/2009DE102009001531A1 Gleichrichterschaltung Rectifier circuit
09/17/2009DE102008012998A1 Electric connecting terminal for connecting frequency converters, has threaded pin connecting busbar of frequency converter with cable lug, and conductor rail connecting screw terminal and threaded pins in electrically conductive manner
09/17/2009DE102008012997A1 Electrical connecting terminal for connecting frequency converters, has conductor rail connecting terminal device with connection element in electrically conductive manner, and thread bolt fixed in conductor rail by press fit
09/17/2009CA2718168A1 Environmentally friendly power supply
09/16/2009EP2101400A2 Method and apparatus for AC to DC power conversion with reduced harmonic current
09/16/2009EP2101399A1 Boost converter input ripple current reduction circuit
09/16/2009EP2100362A1 Interleaved power factor corrector boost converter
09/16/2009EP2027646B1 Driving with inverters with low switching losses
09/16/2009CN201312259Y Conductive rectifier type AC/DC converted APFC circuit
09/16/2009CN201312258Y Single-phase power factor correction hysteresis current controller
09/16/2009CN201312257Y Single-phase power factor correction reference current waveform compensation system
09/16/2009CN201312256Y High performance power filter circuit
09/16/2009CN201312255Y Low harmonic intelligent electricity economizer
09/16/2009CN201312254Y Electric locomotive traction current transformer adopting symmetrical distribution of power module
09/16/2009CN201312253Y Installation structure of rectification follow current component in switch power supply
09/16/2009CN201312252Y Installation structure of IGBT contravariant component and input rectification bridge in switch power supply
09/16/2009CN201312251Y Main loop structure of big-power frequency changer
09/16/2009CN101536296A Quantum vacuum energy extraction
09/16/2009CN101534110A IGBT current-limiting drive circuit
09/16/2009CN101534064A Power supply circuit of AC-DC converter
09/16/2009CN101534061A A double-isolation boosting multi-input direct current convertor
09/16/2009CN101534055A Single-isolation pressure increase and reduction type multi-input direct current converter
09/16/2009CN101534048A Single-phase power factor correction simplified direct division controller
09/16/2009CN101534047A Boost converter input ripple current reduction circuit
09/16/2009CN101534046A Two-stage lead-edge-blanking filter for switch type power supply switching system
09/15/2009US7589985 Switching Regulator
09/15/2009US7589984 Method for starting pulse width modulation
09/11/2009WO2009110354A1 Output filter and power converter using output filter
09/11/2009WO2009109888A1 Driving a light-emitting diode
09/09/2009EP2097969A1 Feeding of output-side parallel connected bridge rectifiers with phase-shifted voltages from the secondary windings of at least one transformer
09/09/2009EP0917753B1 A device for supervising in a high voltage converter station
09/09/2009CN201307825Y Substitute power-supply module of electronic engraving machine
09/09/2009CN201307824Y Three-phase SCR trigger circuit
09/09/2009CN101529702A Feeding of output-side parallel connected bridge rectifiers with phase-shifted voltages from the secondary windings of at least one transformer
09/09/2009CN101527520A Single-stage single-phase AC-DC convertor based on LLC series resonance
09/09/2009CN101527514A Direct current power supply
09/09/2009CN101527513A Direct current power supply
09/09/2009CN101527506A Method for isolation and conversion of direct current positive and negative signals and circuit thereof
09/09/2009CN101527505A Disturbance voltage attenuation device
09/09/2009CN101527504A Multilevel T-type converter power factor control method
09/09/2009CN101527503A High-power factor correcting circuit
09/09/2009CN101527502A Power converter apparatus
09/09/2009CN101527501A Power conversion units connected in parallel
09/09/2009CN101527500A Power supply conversion device and power supply conversion method for converting power supply
09/09/2009CN101527303A Power converter
09/09/2009CN101527302A Power converter apparatus
09/09/2009CN100539367C PFC-PWM controller having interleaved switching
09/08/2009USRE40907 Ripple cancellation circuit for ultra-low-noise power supplies
09/08/2009US7586759 Power source apparatus
09/03/2009WO2009106911A2 A method of protection from over-temperature and corresponding arrangement
09/03/2009WO2009106014A1 A multi-state switch and a converter employing the multi-state switch
09/03/2009US20090218954 Sequential burst mode actlvation circuit
09/03/2009DE202009009019U1 Ein Stromadaptor A strømadaptor
09/02/2009EP2096742A1 Power factor correction circuit for air conditioning equipment
09/02/2009EP1490957A4 Line frequency switching regulator
09/02/2009CN201303288Y Mineral frequency converter body
09/02/2009CN201303287Y Safety dedicated power supply for household electrothermal electric apparatus
09/02/2009CN101521502A Soft starting device
09/02/2009CN101521484A Flameproof four-quadrant variable frequency speed governor