H02M 1 - Details of apparatus for conversion

Patents for H02M 1 - Details of apparatus for conversion (33,954)
11/2013
11/27/2013	CN203313052U Power factor correction drive circuit
11/27/2013	CN203313051U Efficient release circuit structure
11/27/2013	CN203313050U PWM module for flyback topology to enable alternative appearance of discontinuous mode and critical mode
11/27/2013	CN203313049U Frequency-converter brake unit
11/27/2013	CN203313048U Power-supply hotplug device
11/27/2013	CN203313047U Parallel bridge-type IGBT driving device
11/27/2013	CN203313046U MOSFET driving circuit inhibiting high-frequency interference
11/27/2013	CN203313045U Large-power switch power supply drive circuit
11/27/2013	CN203313044U Full-bridge phase-shift driving circuit
11/27/2013	CN203313043U Negative-voltage drive circuit of high-frequency MOSFET
11/27/2013	CN203313042U Wind energy converter system
11/27/2013	CN203313041U Flexible direct-current power transmission power module
11/27/2013	CN203313040U Frequency converter
11/27/2013	CN203313039U Power supply device
11/27/2013	CN203313038U Modularization current transformer with intelligent module
11/27/2013	CN203312998U Rectifier bridge set for power generator
11/27/2013	CN203312879U Mixed-type vehicular charging circuit structure for electric vehicle
11/27/2013	CN203312835U Multi-interface power source
11/27/2013	CN203312772U DC power automatic protection and control circuit
11/27/2013	CN103414368A Dead-zone compensation method of three-phase inverter
11/27/2013	CN103414367A Method and device for restraining sudden direct-current side voltage changing and direct-current side mid-point voltage fluctuation of diode-clamped three-level inverter
11/27/2013	CN103414354A Power switch device pulse transformer isolation driving circuit
11/27/2013	CN103414350A System and method for adjusting frequency and electric currents based on loading conditions
11/27/2013	CN103414349A Servo driver power module and servo driver
11/27/2013	CN103414342A Fixed-frequency constant on-off time control method of dynamic voltage regulating switch converter
11/27/2013	CN103414341A Loop circuit compensating circuit used for Buck converter
11/27/2013	CN103414340A Zero-current soft switching converter
11/27/2013	CN103414336A DC-DC power source module
11/27/2013	CN103414334A DCM Boost PFC convertor with long service life and PF as 1
11/27/2013	CN103414333A Active power factor correction controller
11/27/2013	CN103414332A Fault detection and control circuit, method and system for power supply chip
11/27/2013	CN103414331A Soft starting circuit
11/27/2013	CN103414330A Method for restraining grid-connected current spikes of single-phase grid-connected inverter
11/27/2013	CN103414329A Voltage peak value locking circuit
11/27/2013	CN103414328A Circuit for removing ripple currents of single-stage PFC flyback power supply
11/27/2013	CN103414327A Inverter output filter with a set of series resonance subcircuits
11/27/2013	CN103414326A Filter circuit for three-phase converter
11/27/2013	CN103414325A Parameter design method of grid-connected inverter LLCL filter
11/27/2013	CN103414324A Low-voltage alternating-current and direct-current power source output device
11/27/2013	CN103414323A Circuit for reducing turn-on time of current control type switch adjusting system
11/27/2013	CN103414322A Control circuit, switch converter and control method of switch converter
11/27/2013	CN103414321A Numerical control circuit of power converter
11/27/2013	CN103414320A Frequency converter and connecting device of plug-in power module of frequency converter
11/27/2013	CN103414319A Mining explosive-proof and intrinsically-safe alternating-current converter
11/27/2013	CN103414318A Oblique wave compensating circuit of switching power supply controlled by peak current mode
11/27/2013	CN103414317A Railway vehicle vehicle-mounted parallel connection auxiliary converter and heat dissipation device thereof
11/27/2013	CN103414316A Chip packaging structure with power supply noise isolation
11/27/2013	CN103414192A Direct current side voltage regulation method for active power filter
11/27/2013	CN102420519B Control circuit capable of adaptively regulating grid width of power tube
11/27/2013	CN102368662B Current reference generation circuit, constant current switch power supply control circuit and control method thereof
11/27/2013	CN102347684B Control circuit for reducing constant on-time (COT) switching type power supply adjusting circuit output ripple and method thereof
11/27/2013	CN102195459B Active snubber circuit and power supply circuit
11/27/2013	CN102186282B Drive circuit capable of improving power factors of alternating current light emitting diode (AC LED) lamp
11/27/2013	CN102097927B Starting circuit of switch power supply chip and starting method of starting circuit
11/27/2013	CN101743683B Power factor correction (PFC) controller and method using finite state machine to adjust duty cycle of PWM control signal
11/26/2013	US8594732 Methods and apparatus for using polarized antennas in wireless networks including multi-sector base stations
11/26/2013	US8593837 Power supply device and method, based on power supply mode, for image forming apparatus
11/26/2013	US8593768 Apparatus and method for disabling the operation of high power devices
11/26/2013	DE202011110423U1 Frequenzumrichtereinheit Frequency converter unit
11/21/2013	WO2013173094A1 Systems and methods for high power factor charging
11/21/2013	WO2013171924A1 Multichannel dc-dc converter
11/21/2013	WO2013171900A1 Power supply device
11/21/2013	WO2013170841A2 Surge-proof bridge-free power factor correction circuit
11/21/2013	WO2013092037A3 Rectifier circuit having error detection
11/21/2013	WO2013004542A3 Actuation circuit and method for actuating the input switching stage of a transformer circuit
11/21/2013	US20130308354 Power supply noise reduction circuit and power supply noise reduction method
11/21/2013	US20130308351 High voltage inductor filter apparatus and method of use thereof
11/21/2013	US20130308347 Resonant switching power supply device
11/21/2013	US20130308346 Active ac snubber for direct ac/ac power converters
11/21/2013	US20130307512 Systems for indirect average current measurement
11/21/2013	US20130307352 Inverter apparatus and solar power generation system
11/21/2013	DE112004001647B4 Übertragung elektrischer Leistung von einer Primärseite zu einer Sekundärseite eines Umformers Transmitting electrical power from a primary side to a secondary side of a transformer
11/21/2013	DE10351843B4 Verfahren und elektrische Schaltungen zur Ermittlung einer Temperatur eines Leistungshalbleiters Method and electrical circuits for determining a temperature of a power semiconductor
11/21/2013	DE102013208720A1 Leistungswandlerschaltkreis und Verfahren zum Betrieb eines Leistungswandlerschaltkreises Power conversion circuit and method for operating a power converter circuit
11/21/2013	DE102013104823A1 Elektromotor Electric motor
11/21/2013	DE102013103342A1 Motoransteuervorrichtung mit veränderlichem niederspannungsalarm-erkennungspegel Motor driving device with variable low voltage alarm-detection level
11/21/2013	DE102012208460A1 Umrichter für eine elektrische Maschine Inverter for an electric machine
11/21/2013	DE102012207155B4 Schaltungsanordnung zum Ansteuern eines Halbleiter-Schaltelements Circuit arrangement for driving a semiconductor switching element
11/21/2013	DE102004063536B4 Umrichterschaltung Converter
11/21/2013	DE102004041927B4 Schaltungsanordnung mit einem Pegelumsetzer und einem Spannungsregler Circuit arrangement having a level converter and a voltage regulator
11/20/2013	EP2665170A1 System and method of parallel converter current sharing
11/20/2013	EP2665169A1 Apparatus for driving semiconductor switch element
11/20/2013	EP2665168A1 Method for improving operation lifetime of capacitor, capacitor control circuit structure and use thereof
11/20/2013	EP2665152A2 Charging system
11/20/2013	EP1648088B1 Gate circuit
11/20/2013	CN203301377U Power supply controller
11/20/2013	CN203301375U Hierarchical thought-based fuzzy PI double loop-controlled direct-current boost circuit
11/20/2013	CN203301374U Switching power supply and switching power supply controller for realizing constant output current
11/20/2013	CN203301359U Active PFC circuit
11/20/2013	CN203301358U Inverter auxiliary opening/closing apparatus
11/20/2013	CN203301357U Inverter load impedance match circuit structure
11/20/2013	CN203301356U Two-order filtering mechanism of ice melting apparatus of rural power grid
11/20/2013	CN203301355U Novel IGBT driving device suitable for high-power electric locomotive
11/20/2013	CN203301354U Half-bridge resonant double-inductance symmetrical isolation driving circuit structure
11/20/2013	CN203301353U Heat tube self-cooling type excitation rectifier cabinet with mirror symmetry structure
11/20/2013	CN203301352U Frequency converter heat dissipation structure and frequency converter
11/20/2013	CN203301351U Power driver of wind energy generator
11/20/2013	CN203301350U High-voltage frequency converter with compact structure
11/20/2013	CN203301349U Magnetic voltage regulator
11/20/2013	CN203301348U Miniature and efficient power supply adapter

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