Opportunities for Performance Improvement of Single-Phase Power Converters through Enhanced Automatic-Power-Decoupling Control

Huawei Yuan, Sinan Li, Wenlong Qi, Siew-Chong Tan, S. Y. Ron Hui

Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

3 Citations (SciVal)

Abstract

There is a growing demand for high power density, high efficiency, and high reliability (H 3 ) single-phase power converters in power electronics applications. These H 3 converters, which are equipped only with very small energy storage components, involve large-signal operation and exhibit highly coupled and nonlinear characteristics. Existing controller designs for these converters are based on small-signal models, and may not attain satisfactory dynamic performance and robustness. This paper presents a nonlinear control method based on the technique of input-output feedback linearization and the automatic-power-decoupling control strategy for the H 3 converters. The controller not only achieves global system stability and enhanced dynamic performance over existing control solutions, but also enables us to exploit the full potential of H 3 single-phase converters, thereby providing new application opportunities. Simulations and experiments are carried out to demonstrate the feasibilities and to verify the performance of the proposed control.
Original languageEnglish
Title of host publicationInternational Power Electronics Conference (2018)
PublisherIEEE
Pages1-7
Number of pages7
ISBN (Electronic)978-4-88686-405-5
DOIs
Publication statusE-pub ahead of print - 25 Oct 2018

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