Neutral-point voltage control for a three-level DC-AC inverter using equivalent-input-disturbance approach

Jie Zhang, Ryuichi Yokoyama, Jinhua She

研究成果: Conference contribution

2 引用 (Scopus)

抜粋

One problem with a single-voltage source, three-level inverter is the drafting of its neutral-point voltage. This may occur during transition or when unbalanced loads are connected to the inverter system. Variation of neutral-point voltage may greatly deteriorate the power quality. In this paper, we employ an equivalent-input-disturbance approach to deal with this problem. By adding an extra neutral leg, the control problem of neutralpoint voltage is converted to a disturbance rejection problem. This method suppresses the variation of the neutral-point voltage to a small level and reduces the capacity of capacitors. Simulation results show the effectiveness of the method.

元の言語English
ホスト出版物のタイトルProceedings - 2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2012
ページ398-402
ページ数5
DOI
出版物ステータスPublished - 2012
イベント2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2012 - Aalborg
継続期間: 2012 6 252012 6 28

Other

Other2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2012
Aalborg
期間12/6/2512/6/28

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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  • これを引用

    Zhang, J., Yokoyama, R., & She, J. (2012). Neutral-point voltage control for a three-level DC-AC inverter using equivalent-input-disturbance approach. : Proceedings - 2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2012 (pp. 398-402). [6254033] https://doi.org/10.1109/PEDG.2012.6254033