Title :
Investigation of zero-current switching fixed frequency resonant-transition square wave converters
Author :
Cheng, K.W.E. ; Yeung, Y.P.
Author_Institution :
Dept. of Electr. Eng., Hong Kong Polytech. Univ., Kowloon, Hong Kong
Abstract :
Most of the soft-switching power converters, especially zero-current switching resonant converters, are required to vary switching frequency to control their output voltage. A family of newly designed zero-current switching fixed frequency square wave resonant converters is proposed. The output voltage of these converters can be controlled by the on-state period of a semiconductor switch; and therefore, they can be operated at a fixed switching frequency. All of the switching devices are in the zero-current switching condition. Also, the peak current of each switching device is minimized. Computer simulation and experimental results are presented to support the operation of the converters
Keywords :
DC-DC power convertors; power semiconductor switches; resonant power convertors; switching circuits; ZCS; computer simulation; experimental results; fixed switching frequency; fixed-frequency resonant-transition square wave power converters; on-state period; output voltage regulation; peak current minimisation; semiconductor switch; switching devices; zero-current switching; Computer simulation; Frequency conversion; Power semiconductor switches; Resonance; Resonant frequency; Switching converters; Switching frequency; Voltage control; Zero current switching; Zero voltage switching;
Conference_Titel :
Power Electronics and Drive Systems, 1999. PEDS '99. Proceedings of the IEEE 1999 International Conference on
Print_ISBN :
0-7803-5769-8
DOI :
10.1109/PEDS.1999.792800
