A PWM buck-boost AC chopper solving the commutation problem
Jong-Hyun Kim; Byung-Duk Min; Bong-Hwan Kwon; Sang-Chul Won
Industrial Electronics, IEEE Transactions on
Volume 45, Issue 5, Oct 1998 Page(s):832 - 835
Digital Object Identifier   10.1109/41.720341
Summary:A novel pulsewidth modulation buck-boost AC chopper using regenerative DC snubbers is proposed and analyzed. Compared to the previous buck-boost AC choppers, AC snubbers causing power loss are eliminated using regenerative DC snubbers. Experimental results show that the proposed scheme gives good steady-state performance of the AC chopper, which coincides with the theoretical results

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