Hybrid full bridge-voltage doubler rectifier and single stage LLC converter thereof

Motor drive device

Hybrid full bridge-voltage doubler rectifier and single stage LLC converter thereof

Low-inductance half-bridge arrangement

Bidirectional AC/DC H-bridge power converter

Direct conversion switched-mode AC/DC converter

Apparatus and method for controlling pulse width modulation switching frequency

POWER CONVERSION DEVICE

Resistorless precharging

Power factor correction device and controlling method thereof, and electronic device

Electric power conversion apparatus having single-phase and multi-phase operation modes

Ballast for lighting means

Converter and control circuit

Electrical conversion

H-bridge bidirectional current sensing circuit

Control of an electrical converter

Dynamic power converter and method thereof

Power conversion device

Cascaded H-bridge inverter and method for handling fault thereof

Solid-state lighting operable with ballasts and line voltages without ambiguity

Power conversion device including an AC/DC converter and a DC/DC converter

Power factor improving converter, and power supply device including power factor improving converter

Switched energy resonant power supply system

Semiconductor device, method of manufacturing the same and power converter

DC power supply unit and air conditioner using same

Power conversion device and control device

System and method for a switch having a normally-on transistor and a normally-off transistor

Zero current detection circuit for converter soft switching control

High efficiency bridgeless power factor correction converter for converting input alternating current into output direct current

Power factor correction circuit and power supply device

Smart-grid adaptive power management method and system with power factor optimization and total harmonic distortion reduction

AC-DC rectifier system

Variable speed drive with active converter

Method for acquiring values indicative of an AC current of an inverter and related circuit and inverter

DIFFERENTIATED CONTROL METHOD OF THE CASCADED ACTIVE POWER FILTER

Battery charger, electrical system and motor vehicle

Power converter and controlling method thereof

Rectification device for improved short-circuit protection

Current zero-cross detection device, signal acquisition circuit, and circuit system

DC power supply device and power conversion method for converting an AC power supply into a DC power supply

Delta conversion rectifier

Electric-power conversion system having inrush current prevention circuit

Electric-power conversion system including single-phase inverter

Electric-power conversion system having plurality of single-phase inverter circuits

Power factor correction circuit

Boost inductor demagnetization detection for bridgeless boost PFC converter operating in boundary-conduction mode

Wireless power transfer systems using load feedback

Self-resonance sensing dynamic power converter and method thereof

AC-DC converter with output power suppression

Bridgeless power factor improvement converter

Induction current sampling device and method for bridgeless PFC circuit

Power factor converter with nonlinear conversion ratio

INVERTER DEVICE, CONTROL CIRCUIT FOR INVERTER DEVICE, AND METHOD FOR CONTROLLING INVERTER DEVICE

Power conversion device

Method and apparatus for transferring power between AC and DC power systems

Method for controlling an H-bridge inverter

Resistorless precharging

High efficiency PFC power converter

Flicker-free converter for driving light-emitting diodes

Renewable energy site reactive power control

Bidirectional converter with preferential direction and reactive power-capable inverter having said converter

Adaptive online filter for DC offset elimination

Method for operating a non-isolated switching converter having synchronous rectification capability suitable for power factor correction applications

Smart-grid adaptive power management method and system with power factor optimization and total harmonic distortion reduction

Method of reducing input current distortion in a rectifier

Single phase bi-directional AC-DC converter with reduced passive components size and common mode electro-magnetic interference

Power converter with non-symmetrical totem pole rectifier and current-shaping branch circuits

Power factor correction device

DC power source device and power conversion method using a single drive power supply

Simplified control method for a three-phase AC voltage-DC voltage converter

Adaptive online filter for DC offset elimination

Electric-power conversion system

Power conversion apparatus that provides power conversion between AC and DC power

Variable input control for improving switched power supplies

Method and apparatus for dynamic capacitor charging

Sensing and control for improving switched power supplies

Assembly for converting an input AC voltage to an output AC voltage

Selective control for improving switched power supplies

POWER FACTOR CORRECTION CIRCUIT

Power factor correction circuit

POWER FACTOR CORRECTION (PFC) CONTROLLER AND BRIDGELESS PFC CIRCUIT WITH THE SAME

Commutator for bridgeless PFC circuit

Switching power supply including power factor correction circuit with polarity determination control

Multilevel converter and a control method for operating a multilevel converter

Bidirectional inverter-charger

AC-to-DC conversion apparatus and related control manner thereof

Switched mode power supply with voltage regulator

BRIDGELESS PFC CONVERTER AND THE METHOD THEREOF

BRIDGELESS POWER FACTOR CORRECTION CIRCUIT

Switching power supply apparatus including a PFC converter that suppresses harmonic currents

SWITCHING POWER SUPPLY APPARATUS

Converter with reactive power compensation

Method and apparatus for generating a charging circuit

Three-level active rectification pulse width modulation control

AC-DC power converting apparatus having sub-converters connected in series between main converter and AC power supply

Power factor correction converter and control method thereof

AC/DC CONVERTER PRELOADING CIRCUIT

Alternating voltage control apparatus

AC-DC converter, method of controlling the same, motor driver, compressor driver, air-conditioner, and heat pump type water heater

Bridgeless boost PFC circuits and systems

Smart-grid adaptive power management method and system with power factor optimization and total harmonic distortion reduction

Method and apparatus for lead-unity-lag electric power generation system

CONVERTER CONTROL METHOD

Universal three phase controllers for power converters

Controller and method for estimating, managing, and diagnosing motor parameters

Controller and method for minimizing phase advance current

Hybrid distribution transformer with an integrated voltage source converter

Hybrid distribution transformer having a power electronic module for controlling input power factor and output voltage

METHOD AND APPARATUS OF A UNIFIED CONTROL SOLUTION FOR BRIDGELESS POWER FACTOR CONTROLLERS AND GRID CONNECTED INVERTERS

Universal three phase controllers for power converters

Method for reducing the reactive power requirement of a fundamental frequency clocked power supply side converter under no load and with low motor loading

Apparatus for controlling H-bridge DC-AC inverter

Digitally controlled three-phase PFC rectifier

Output power switching vector scaling system and method

Motor drive using flux adjustment to control power factor

Bidirectional DC/AC inverter

SWITCHING POWER SUPPLY

Clean input UPS with fast rectifier control and improved battery life

Systems and methods for improved motor drive power factor control

Active compensation device

Universal three phase controllers for power converters

System and method for power conversion

Switch mode power supply and a method for controlling such a power supply

Current sense method for bridgeless boost (BLB) PFC circuit using single current transformer

Converting device with power factor correcting and dc/dc converting functions

Bridgeless boost converter with PFC circuit

Controller for power converter

Duty cycle controller for high power factor battery charger

System and method for power conversion using semiconductor switches having reverse voltage withstand capability

Method and apparatus for rejecting the second harmonic current in an active converter with an unbalanced AC line voltage source

Circuit for converting an AC voltage to a DC voltage

Multi-pulse converter circuits

Symmetric hybrid converters

Symmetric hybrid converters

Method and apparatus for digital power factor correction of a poly-phase AC to DC converter

Symmetric hybrid converters

Bridgeless power factor correction converter with zero current detection circuit

Wide-range gain converters

Symmetric hybrid converters

Current sensorless control method for DAB-based single stage isolated PFC converters

Three arm rectifier and inverter circuit

Transistor protection in a boost circuit using surge detection

Combined AC and DC power converter with an electromagnetic interference filter and a bridge rectifier

Systems and methods for self-driven active rectification

Reducing jitter in a direct AC LED lighting device

Apparatus for controlling LLC converter

Dual link power converter