A high-frequency-link single-phase PWM rectifier

Zhu, W., Zhou, K. , Cheng, M. and Peng, F. (2015) A high-frequency-link single-phase PWM rectifier. IEEE Transactions on Industrial Electronics, 62(1), pp. 289-298. (doi: 10.1109/TIE.2014.2327568)

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This paper proposes a high performance “cycloconverter-type” high-frequency-link (HFL) single-phase rectifier with an active voltage clamper, which provides bidirectional two-stage galvanic isolation AC-DC power conversion. Modulation strategy, modeling method and control scheme are comprehensively developed for the HFL rectifier to guarantee its superior performances: a) two-stage power conversion and soft-switching switch devices lead to high conversion efficiency; b)complete elimination of voltage spikes during commutation ensures safe operation of high frequency switching devices; c)it can equally function as a high performance conventional PWM rectifier: sinusoidal input current, constant dc output voltage, bidirectional power flows between DC side and AC side, and adjustable power factor. A prototype of the proposed HFL rectifier is built for evaluation. The experiment results demonstrate the efficacy of the soft-switching HFL rectifier and its highly promising control performance. The proposed rectifier offers a high-efficiency, high-power-density, and high performance galvanic isolation power conversion solution to extensive applications.

Item Type:Articles (Other)
Keywords:High Frequency Link, Power Converter
Glasgow Author(s) Enlighten ID:Zhou, Dr Keliang
Authors: Zhu, W., Zhou, K., Cheng, M., and Peng, F.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering
Research Group:System Power and Energy
Journal Name:IEEE Transactions on Industrial Electronics
Publisher:Institute of Electrical and Electronics Engineers
ISSN (Online):1557-9948

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