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)
11/2008
11/06/2008US20080272924 Method and Device for Detecting a Degree of Pollution of an Operational Converter
11/06/2008US20080272727 Method for Determination of the Risk to Disturbance-Free Operation of a Frequency Converter
11/05/2008EP1988612A2 Mobile cooling device operated by low voltage direct current
11/05/2008EP0948123B1 Protecting method for inrush current preventing resistor
11/05/2008CN201146464Y Power supply conversing device
11/05/2008CN201146461Y Power compensator without electrochemical capacitance
11/05/2008CN201146460Y Apparatus for driving and protecting insulated gate bipolar transistor of inverse arc welder
11/05/2008CN201146459Y Active power supply filter
11/05/2008CN201146458Y Non-bridge monopole insulation convertor with low noise
11/05/2008CN201146457Y Special thick film circuit for drive and control of IPM power switch device
11/05/2008CN201146456Y Junction device for control cable of frequency convertor
11/05/2008CN201146455Y Circuit apparatus for modulating sine wave pulse-width
11/05/2008CN201146454Y Three-phase sinusoidal signal source for tracing commercial power
11/05/2008CN201146453Y Frequency changer
11/05/2008CN201146452Y Control box for mining flame-proof type industrial-mineral electric locomotive
11/05/2008CN201146451Y Heat radiation structure of 1U power supplier
11/05/2008CN201146450Y Combined frequency convertor for mining
11/05/2008CN201146092Y Radiating device and electronic component using the same with heat radiation function
11/05/2008CN101299574A Method and apparatus for active power factor correction without sensing the line voltage
11/05/2008CN101299573A Method and apparatus for active power factor correction
11/05/2008CN101299572A Pass-by apparatus for high voltage frequency transformer
11/05/2008CN101299571A Circulation cold air apparatus for high voltage frequency conversion equipment
11/05/2008CN100431254C Power converter
11/05/2008CN100431247C Active common mode filter connected in A-C line
11/05/2008CN100431246C Emi noise-reduction circuit and method for no-bridge power factor correction circuit
11/05/2008CN100431245C Dual-slope adaptive frequency controller for adjusting power supply conversion
11/04/2008US7446988 Fault condition protection
11/04/2008US7446513 Dead time control in a switching circuit
11/04/2008US7446486 High efficiency off-line linear power supply
11/04/2008US7446436 Waveform correction filters
11/04/2008US7446435 Power converter system and method
10/2008
10/30/2008WO2008128882A1 Method and device for controlling a circuit breaker
10/30/2008US20080265859 Electronic device for controlled failure
10/30/2008DE102008016632A1 Schaltsteuerung in DC-DC-Wandlern Switching control in the DC-DC converters
10/30/2008DE102007017546A1 Multichipmodul Multi-chip module
10/29/2008EP1986315A2 Method for limiting the current flowing through an output stage of an inverter
10/29/2008EP1985159A2 Circuit arrangement for providing an operating dc voltage
10/29/2008EP1985003A2 Protocol circuit layer
10/29/2008EP1984667A2 Methods and apparatus for high power factor controlled power delivery using a single switching stage per load
10/29/2008EP1756932B1 Method and circuit arrangement for optimising maximum current limitation in the primary switch of a switched-mode power supply, and a power supply
10/29/2008EP1110292B1 Circuit arrangement comprising semiconductor switches in a series configuration
10/29/2008CN201142668Y Electricity-saving control device of frequency convertor
10/29/2008CN201142642Y Main circuit structure of AC bus type power supply source
10/29/2008CN201142635Y DC-AC inversion boosted circuit
10/29/2008CN201142634Y Cooling structure of mining frequency convertor
10/29/2008CN201142260Y Output inductor magnetic integration implementing circuit based on misphase parallel connection operation
10/29/2008CN101297457A A converter
10/29/2008CN101297253A Power factor correction boost circuit
10/29/2008CN101295973A Negative voltage migration circuit
10/29/2008CN101295959A Digital sinusoidal voltage variable-frequency control electricity economizer
10/29/2008CN101295935A Optimizing PWM modulation method capable of restraining harmonic wave
10/29/2008CN101295932A Electric power source reactivator and method thereof
10/29/2008CN101295930A High voltage power supply
10/29/2008CN101295929A Semiconductor switch with integrated delay circuit
10/29/2008CN101295926A Magnetic integration Vcc power module control method without electrochemical capacitor
10/29/2008CN101295924A Method and device for eliminating mutual inductance coupling electromagnetic interference
10/29/2008CN101295923A Saturation preventing power factor improving method and apparatus
10/29/2008CN101295922A Soft starting device capable of implementing linear control
10/29/2008CN101295921A Current peak controlling double-trapezoidal wave compensation method of three-power level DC boosting converter
10/29/2008CN101295920A Pulse width controller of program sinusoidal wave
10/29/2008CN101295919A Large-current high-resolution driving circuit
10/29/2008CN101295918A Soft switching method for electric-controlled switch of three-phase AC input circuit
10/29/2008CN101295917A Pluggable electronic device with lock bar element
10/29/2008CN101295916A Electronic device with electric power connection interface
10/29/2008CN101295886A Active electric power regulating mechanism
10/29/2008CN100429863C Isolated driving circuit for insulated gate power transistor in single-end converter
10/29/2008CN100429862C Fast charging device for superconducting coil current regulating switch
10/29/2008CN100429861C Electrical circuit for voltage transformation and use of said electrical circuit
10/29/2008CN100429764C Semiconductor integrated circuit device and switching power source device using the same
10/28/2008US7443705 Apparatus and method for power conversion having diode in charging and discharging circuit
10/28/2008US7443702 High voltage start up circuit for power converters
10/28/2008US7443692 Power converter architecture employing at least one capacitor across a DC bus
10/28/2008US7443390 Power supply device of video display apparatus and method thereof
10/28/2008US7443145 Switching regulator
10/28/2008US7443125 Power conversion apparatus
10/28/2008US7443052 DC/DC converter and decentralized power generation system comprising a DC/DC converter
10/23/2008US20080258675 Multimode power module
10/23/2008US20080258673 Method and system for pulse position scheduling in electric drives
10/23/2008DE102006008512B4 Leistungshalbleitervorrichtung, welche mit parallel zueinander geschalteten Leistungssteuerungs-Halbleitermodulen versehen ist Power semiconductor device, which is provided with parallel-connected power control semiconductor modules
10/22/2008EP1216526B1 Reduction of emi through switching frequency dithering
10/22/2008EP0995258B1 Single-barrier closed loop dc-to-dc converter and method
10/22/2008CN201138788Y Series connection AC pressure regulating energy saving apparatus
10/22/2008CN201138785Y Wave filter circuit for switch power supply
10/22/2008CN201138784Y Special-purpose multifunctional standby power supply for body building apparatus
10/22/2008CN201138783Y Switch power supply low-frequency electromagnetic radiation screening arrangement
10/22/2008CN201138782Y Rectifier apparatus in resistance spot welding machine
10/22/2008CN201138781Y Inverter of electricity generator
10/22/2008CN101291127A Inverter circuit and compressor
10/22/2008CN101291107A Switch control circuit and its control method
10/22/2008CN101291106A Sampling method for adjusting duty ratio
10/22/2008CN101291105A Electricity supplying method and system for universal serial bus apparatus
10/22/2008CN101291104A Protecting method for sudden drop of electric and electronic equipment with medium or high electric power
10/22/2008CN101291103A Dynamic current limiting mechanism
10/22/2008CN101291102A Built-in electricity economizer
10/22/2008CN101290931A Self-cooled thyristor valve of high power and mounting vehicle
10/22/2008CN100428615C Current sense and control of DC/DC converters
10/21/2008US7440299 Control of a MOS transistor as rectifying element
10/21/2008US7440297 Fault detection for loss of feeback in forced switching power supplies with power factor correction
10/21/2008US7439779 Driver circuit
10/21/2008US7439635 Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system
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