Title :
A direct AC/AC bi-directional power converter with high-frequency link and simple PWM control
Author :
Prakash, S. R Narayana ; Hui, S.Y.R. ; Vijaykumar, B.
Author_Institution :
Dept. of Electr. Eng., Singapore Polytech., Singapore
Abstract :
This paper presents a direct AC/AC bi-directional power converter that can convert 220 V mains voltage to 110 V or vice versa in a single power conversion stage. The proposed converter makes use of four quadrant switches and high frequency PWM control to accomplish the desired voltage conversion at low cost and high power density. Due to the inherent low current distortion feature, the proposed power converter automatically provides a simple solution to reduce harmonic pollution of power supply. The operating principles of this converter are described. Simulation and experimental results of the converter have confirmed the successful operation of the converter
Keywords :
AC-AC power convertors; PWM power convertors; harmonic distortion; power system harmonics; 110 V; 220 V; current distortion; direct AC/AC bi-directional power converter; four quadrant switches; harmonic pollution; high frequency PWM control; high-frequency link; operating principles; power conversion stage; Bidirectional control; Costs; Frequency conversion; Low voltage; Power conversion; Pulse width modulation; Pulse width modulation converters; Switches; Switching converters; Voltage control;
Conference_Titel :
Power Electronics and Drive Systems, 1997. Proceedings., 1997 International Conference on
Print_ISBN :
0-7803-3773-5
DOI :
10.1109/PEDS.1997.627509
