文档介绍：Engineering
Electrical Engineering fields
Okayama University Year
A zero-current-switching based
three-phase PWM inverter having
resonant circuits on AC-side
Hideaki Fujita∗ Hirofumi Akagi†
Masakazu Kohata‡
∗Okayama University,
†Okayama University,
‡Toyo Electric pany Limited, Kanagawa,
This paper is posted at ******@OUDIR : Okayama University Digital Information
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A Zero-Current-Switching Based Three-phase PWM Inverter
Having Resonant Circuits on AC-Side
H. Fujita, H. Akagi and M. Kohata
Okayama University Toyo Electric. Mfg. Co. Ltd.
0kayama, 700, JAPAN Yamato, 242, JAPAN
Abstmct - This paper presents a zero current switch- ,-----------------------------------
ing based three-phase PWM inverter having small res-
onant circuits on the ac side, the resonant frequency of
which is 60kHz. The zero current switching inverter
can greatly reduce the switching losses and electro-
ic noises. In this paper, the principle of zero
current switching operation, the design of the reso-
nant circuits and the control sequence are described
from a theoretical and practical point of view. More-
over, experimental results obtained from a zero cur-
rent switching PWM inverter which is driving an in- . System Configuration of Zero Current Switching Ba