Technical aspects of common-mode leakage current suppression in pv-generation systems

Abstract

Currently in many countries much attention is paid to the power generation systems using renewable energy sources. However there is much less research is being carried out on transformerless structures and multilevel converter topologies. This paper intends to reveal some essential features of a grid-tied PV-generation system based on multilevel converter and without transformer. In particular, common-mode leakage current, a well-known problem of such systems, has some peculiarities if a multilevel converter is used. It is shown, that the common-mode voltage is the main reason of the leakage currents in single-phase and three-phase systems. The paper explores possible solutions to reduce or entirely suppress these currents and compares different known solutions. A solution for multilevel system is proposed and verified by simulation.

Original language	English
Title of host publication	Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	505-510
Number of pages	6
ISBN (Electronic)	9781509017980
DOIs	https://doi.org/10.1109/EPEPEMC.2016.7752047
Publication status	Published - 21 Nov 2016
Event	17th IEEE International Power Electronics and Motion Control Conference, PEMC 2016 - Varna, Bulgaria Duration: 25 Sep 2016 → 28 Sep 2016

Conference

Conference	17th IEEE International Power Electronics and Motion Control Conference, PEMC 2016
Country	Bulgaria
City	Varna
Period	25.9.16 → 28.9.16

ASJC Scopus subject areas

Control and Optimization
Electrical and Electronic Engineering
Energy Engineering and Power Technology

Access to Document

10.1109/EPEPEMC.2016.7752047

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Grishanov, E., Brovanov, S., Dybko, M., Kharitonov, S., & Leonov, S. (2016). Technical aspects of common-mode leakage current suppression in pv-generation systems. In Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016 (pp. 505-510). [7752047] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EPEPEMC.2016.7752047

Technical aspects of common-mode leakage current suppression in pv-generation systems. / Grishanov, Evgeny; Brovanov, Sergey; Dybko, Maxim; Kharitonov, Sergey; Leonov, Sergey.

Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016. Institute of Electrical and Electronics Engineers Inc., 2016. p. 505-510 7752047.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Grishanov, E, Brovanov, S, Dybko, M, Kharitonov, S & Leonov, S 2016, Technical aspects of common-mode leakage current suppression in pv-generation systems. in Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016., 7752047, Institute of Electrical and Electronics Engineers Inc., pp. 505-510, 17th IEEE International Power Electronics and Motion Control Conference, PEMC 2016, Varna, Bulgaria, 25.9.16. https://doi.org/10.1109/EPEPEMC.2016.7752047

Grishanov E, Brovanov S, Dybko M, Kharitonov S, Leonov S. Technical aspects of common-mode leakage current suppression in pv-generation systems. In Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016. Institute of Electrical and Electronics Engineers Inc. 2016. p. 505-510. 7752047 https://doi.org/10.1109/EPEPEMC.2016.7752047

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