NDLI: Variable timing control for coupled-inductor feedback ZVT inverter

Content Provider	IEEE Xplore Digital Library
Author	Yu, H. Dong, W. Song, B.M. Lai, J.
Copyright Year	2000
Description	Author affiliation: Bradley Dept. of Electr. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA (Yu, H.)
Abstract	This paper presents a novel control scheme for the coupled-inductor feedback ZVT inverter with variable timing control. The previous proposed six switches coupled inductor scheme can only turn on the main switches at reduced bus voltage. With the proposed variable timing control, the true zero-voltage-switching for main switches ran be achieved by boosting current to a certain amount. Turn off loss of main switches is significantly reduced by adding snubber capacitors across the main PWM switches. Basic circuit operation and design consideration is presented. A design example for a 650 V 75 kW ZVT inverter for an induction motor is given with the verification of simulation results. Test results of the single-phase operation also show the effectiveness of the proposed ZVT scheme.
Starting Page	1138
Ending Page	1143
File Size	473092
Page Count	6
File Format	PDF
ISBN	780003464X
DOI	10.1109/IPEMC.2000.882992
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-08-15
Access Restriction	Subscribed
Rights Holder	Int. Acad. Publ., World Publ. Corp.
Subject Keyword	Timing Feedback Switches Pulse width modulation inverters Pulse width modulation Inductors Voltage Radio access networks Boosting Snubbers
Content Type	Text
Resource Type	Article

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