Title :
Stability analysis of soft-switched converters with active-clamp circuits
Author :
Ninomiya, Tamotsu ; Hakoda, Yasunori
Author_Institution :
Dept. of Electr. & Electron. Syst. Eng., Kyushu Univ., Fukuoka, Japan
Abstract :
This paper discusses the stability of soft-switched DC-DC converters with an active-clamp circuit. Among basic converter topologies, the boost and buck-boost converters have instability problems such as a jumping phenomenon and an oscillation of output voltage. The effect of the clamp capacitance on the oscillatory instability of converters is made clear through the analytical and experimental considerations. The design method for sufficiently stable soft-switched converters is discussed
Keywords :
DC-DC power convertors; capacitance; circuit oscillations; circuit stability; switching circuits; active-clamp circuits; boost converters; buck-boost converters; clamp capacitance; design method; instability problems; jumping phenomenon; oscillatory instability; output voltage oscillation; soft-switched DC-DC converters; stability analysis; Capacitance; Circuit topology; Clamps; DC-DC power converters; Design methodology; Power supplies; Stability analysis; Switches; Switching converters; Turning;
Conference_Titel :
Power Electronics Congress, 1998. CIEP 98. VI IEEE International
Conference_Location :
Morelia
Print_ISBN :
0-7803-5006-5
DOI :
10.1109/CIEP.1998.750674
