Title :
A New ZVT Power Factor Corrected Three-Phase AC-AC Converter with Single-Phase HF Link
Author :
Abdelhamid, T.H. ; Sabzali, A.
Author_Institution :
Dept. of Electr. Eng., Coll. of Technol. Studies
Abstract :
This paper presents a new zero-voltage transition, power factor corrected three-phase AC-AC converter with single-phase high frequency link. It is a two-stage converter; the first stage is a boost-integrated bridge converter operated at fixed frequency and operates in two modes at ZVT for all switches and establishes a 1-ph square wave HF link. The second stage is a bi-directional PWM 3-ph bridge that converts the 1-ph HF link to a 3-ph voltage using a novel switching strategy. The converter modes of operation, and key equations are outlined. Simulation of the overall system is carried out using Simulink. The switching strategy and its corresponding control circuit are clearly described. Experimental verification of the simulation is carried out for a prototype of 500 W at 10 kHz link frequency
Keywords :
AC-AC power convertors; PWM power convertors; bridge circuits; power factor correction; switching convertors; voltage control; zero voltage switching; 10 kHz; 500 W; Simulink; ZVT; bi-directional PWM bridge; boost-integrated bridge converter; control circuit; power factor corrected three-phase AC-AC converter; single-phase HF link; switching strategy; zero-voltage transition; Bidirectional control; Bridge circuits; Circuit simulation; Frequency conversion; Hafnium; Pulse width modulation; Reactive power; Switches; Switching converters; Voltage; ac-ac converter; power factor correction; zero-voltage transition;
Conference_Titel :
Power Electronics and Motion Control Conference, 2006. IPEMC 2006. CES/IEEE 5th International
Conference_Location :
Shanghai
Print_ISBN :
1-4244-0448-7
DOI :
10.1109/IPEMC.2006.4778017
