Patents for H02M 1 - Details of apparatus for conversion (33,954)
07/2008
07/10/2008DE202008005671U1 Frequenzvariabler Spannungsregelkreis A variable frequency voltage control loop
07/09/2008EP0988686B1 A device for supervising a high voltage converter station
07/09/2008CN201084840Y A power supply adapter
07/09/2008CN201084726Y Heat radiator
07/09/2008CN201084037Y Industrial control voltage-stabilized power supply
07/09/2008CN101218741A Variable speed drive for a chiller system with a switched reluctance motor
07/09/2008CN101217255A A PFC circuit with current sharing control module and the corresponding current sharing control method
07/09/2008CN101217254A A semi-initiative type active power factor corrector and correction method
07/09/2008CN101217253A Multifunctional power factor corrector
07/09/2008CN101217252A A soft start circuit for PDM DC-DC switching power supply
07/09/2008CN101217251A A monocycle feedforward switch control circuit
07/09/2008CN101217250A An optical fiber drive method of power switch in DC full-bridge converter
07/09/2008CN101217249A Detachable transducer of comparatively better efficiency
07/09/2008CN101214576A Power tube driving circuit of inversion direct current submerged arc welding machine
07/09/2008CN100401625C Active passive mixed single phase power factor correcting circuit
07/09/2008CN100401612C Noise suppressor
07/08/2008US7397680 Method and apparatus for balancing active capacitor leakage current
07/08/2008US7397675 Inverter-filter non-linearity blanking time and zero current clamping compensation system and method
07/08/2008US7397644 Power supply device and electric circuit
07/08/2008US7397225 Apparatus for controlling the power of an AC voltage supplying an electrical consumer by phase control and method for reducing harmonics
07/03/2008WO2008079148A1 Mechatronic-based inverter
07/03/2008WO2008030919A3 Multiphase power converters and multiphase power converting methods
07/03/2008US20080158918 Switching regulator
07/03/2008US20080157739 Method and apparatus to improve regulation of a power supply
07/03/2008DE10258115B4 Breitbandiges Messmodul zur Strommessung an Einrichtungen der Leistungselektronik Broadband measurement module for current measurement at institutions of power electronics
07/03/2008DE102006026020B4 Schweißstromquelle für ein Schweißgerät Welding power source for a welder
07/02/2008EP1940015A1 Switching power supply with an active clamp circuit
07/02/2008EP1939694A2 Image forming apparatus comprising a malfunction detector and control method thereof
07/02/2008CN201081848Y Unit bypass device for high-voltage frequency converter composed of serially connected units
07/02/2008CN201081847Y High-efficiency heat dissipation structure for onboard power converter
07/02/2008CN101212214A Triangle wave generating circuit and PWM modulation circuit
07/02/2008CN101212190A Full-bridge type driver
07/02/2008CN101212172A Low-frequency ripple suppression circuit for voltage output of switching power transformer in limited current state
07/02/2008CN101212171A Clock generator with reduced electromagnetic interference for DC-DC converters
07/02/2008CN101212170A Frequency converter voltage and current signal supply circuit
07/02/2008CN101212169A Power module
07/02/2008CN101211222A Frequency converter intrinsic safety keyboard signal transmitting and receiving circuit
07/02/2008CN101211221A Frequency converter keyboard circuit
07/02/2008CN101211165A Electric power system energy-saving control method and apparatus
07/02/2008CN100399690C Power-limiting variable-voltage power supply
07/02/2008CN100399685C Filter
07/02/2008CN100399684C Pulse triggering means for high power semiconductor component
07/01/2008US7394676 Intelligent direct current power supplies
07/01/2008US7394675 Power supplying apparatus and power supplying method
07/01/2008US7394674 Backup power supply with parallel AC power source and DC power source
07/01/2008US7394670 Switching power source
06/2008
06/26/2008WO2007130533A3 Method and apparatus for improving light load efficiency in switching power supplies
06/26/2008US20080151586 Control Circuit for Converters
06/26/2008US20080151585 Converter Control Apparatus
06/26/2008US20080151581 Small form factor power supply
06/26/2008DE102007054618A1 Stromrichter mit einem flüssiggekühlten Kondensator und einer Busstruktur mit niedriger Induktivität Converter with a liquid-cooled condenser and a bus structure with low inductance
06/26/2008DE102007002742A1 Trigger circuit for e.g. operating inductive element, has buck converter with input sectors, where storage inductance of buck converter is connected with reference potential assigned to input sectors
06/26/2008DE102006060828A1 Umrichter mit einer Verzögerungsschaltung für PWM-Signale Converter with a delay circuit for PWM signals
06/26/2008DE102006059608A1 Inverter for solar plants, has housing for retaining electronic components and housing has connection for high pressure source and high pressure source provides contact high pressure and power component has cooling body
06/25/2008EP1936792A1 Synchronous rectifier having precise on/off switching times
06/25/2008EP1936790A2 Portable power supply with ac and dc input
06/25/2008EP1936789A2 Converter with a delay circuit for PWM signals
06/25/2008CN201078836Y Intelligent control electricity economizer
06/25/2008CN101208855A AC voltage output apparatus and hybrid vehicle including the same
06/25/2008CN101208854A Drive circuit of motor and outdoor unit of air conditioner
06/25/2008CN101207960A Drive unit of gas discharge lamp
06/25/2008CN101207336A Transistor driver circuit of power converter
06/25/2008CN101207335A Method and circuit for providing compensations of power converters
06/25/2008CN101207328A Control of wind power generation inverter
06/25/2008CN101207327A Soft starting device of power supply
06/25/2008CN101207326A Converter with a delay circuit for PWM signals
06/25/2008CN101207325A Detection circuit for triggering and complete shutting down of thyristor current transformer
06/25/2008CN101207324A Switch power source digital controller with digital communication function
06/25/2008CN101207323A Method of optimization for power electronic circuit based on ant colony algorithm
06/25/2008CN101207269A Power module and notebook computer
06/25/2008CN100397768C A dc-dc converter with reduced surge voltage and an electronic ballast including the converter for a discharge lamp
06/25/2008CN100397762C Digital three phase shift trigger integrated circuit
06/25/2008CN100397761C Bootstrap circuit for switching power supplies
06/25/2008CN100397281C System and method for coordinated control of a switched power capacitor with an integrated resonance protection system
06/25/2008CN100397280C Clocked cascading current-mode regulator with high noise immunity and arbitrary phase count
06/24/2008US7391630 Method and system for power factor correction using constant pulse proportional current
06/24/2008US7391628 Switching controller having frequency hopping for power supplies and method therefor
06/24/2008US7391198 Method and cell for controlling the power factor of a power supply line
06/24/2008US7391194 Apparatus and method for minimizing power loss associated with dead time
06/24/2008US7391165 Discharge lamp lighting control device
06/22/2008CA2615595A1 Multiple-primary high frequency transformer inverter
06/19/2008US20080144343 Compensation circuit and compensation method for current mode power converters
06/19/2008US20080144340 Rectifier filter control device for a power supply
06/19/2008DE102007059128A1 Mikrominiatur-Leistungswandler Microminiature power converter
06/19/2008DE102006059833A1 Electrical device has electronic semiconductor switch, particularly power semiconductor switches, in which component is designed at control inlet of electronic semiconductor switch
06/19/2008DE102004007620B4 Vorladeschaltkreis für die Inbetriebnahme eines DC-DC-Wandlers zur Spannungserhöhung Pre-charge circuit for the commissioning of a DC-DC converter to increase the voltage
06/18/2008EP1933450A1 Power converter
06/18/2008EP1933447A2 Driver circuit for switching transistors
06/18/2008CN201075861Y Silicon controlled tandem connection structure of medium voltage motor soft starter
06/18/2008CN201075840Y Inverter special for fire-fighting emergency power supply
06/18/2008CN201075838Y High-frequency full wave rectifying circuit outputting stable electrical level
06/18/2008CN201075836Y Three-phase rectification circuit for low harmonic wave inputting current capacitance filtering
06/18/2008CN201075835Y New type audio power amplifier supply power
06/18/2008CN201075821Y Power factor corrector for frequency converting air conditioner
06/18/2008CN201075820Y Modularized supply power start and stop control circuit
06/18/2008CN201075819Y Fan system and soft start circuit module thereof
06/18/2008CN201075818Y Power adapter
06/18/2008CN201075817Y Series connection high voltage bridge arm having voltage equalizing protection
06/18/2008CN201075816Y New type high power driver
06/18/2008CN201075815Y Air cooling device of high voltage frequency convertor