A new control strategy of high-frequency link inverter

A novel control strategy is proposed to improve the efficiency and to realize safe soft commutation of the high-frequency inverter which is composed of full-bridge, high-frequency transformer and cycloconverter. Through the novel control strategy the full-bridge switches can achieve almost full-rang...

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Bibliographic Details
Published in2016 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) pp. 1 - 6
Main Authors Zheng Pei, Ruixiang Hao
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2016
Subjects
Capacitors
cycloconverter
High-frequency link
Inductors
Inverters
Mathematical model
soft-switching
Switches
Zero voltage switching
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Summary:A novel control strategy is proposed to improve the efficiency and to realize safe soft commutation of the high-frequency inverter which is composed of full-bridge, high-frequency transformer and cycloconverter. Through the novel control strategy the full-bridge switches can achieve almost full-range zero-voltage switching on, and the cycloconverter switches can achieve full-range zero-current switching off. The novel control strategy can also help the cycloconverter to realize safe soft commutation. What's more, the novel strategy can keep the loss balance of the cycloconverter switches, which improves the reliability of the high-frequency link inverter. And a 1kW simulation model and prototype have been built to verify the effectiveness of the novel control strategy.
DOI:10.1109/ACEPT.2016.7811516