Proportional integral plus multi-frequency resonant current controller for grid-connected voltage source converter under imbalanced and distorted supply voltage conditions

J.B. Hu, Wei Zhang, Hong-sheng Wang, Y.K. He, L. Xu

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

This paper proposes a current control scheme for a grid-connected pulse width modulator (PWM) voltage source converter (GC-VSC) under imbalanced and distorted supply voltage conditions. The control scheme is implemented in the positive synchronously rotating reference frame and composed of a single proportional integral (PI) regulator and multi-frequency resonant controllers tuned at the frequencies of 2ω and 6ω, respectively. The experimental results, with the target of eliminating the active power oscillations and current harmonics on a prototype GC-VSC system, validate the feasibility of the proposed current control scheme during supply voltage imbalance and distortion.
LanguageEnglish
Pages1532-1540
Number of pages9
JournalJournal of Zhejiang University - Science A
Volume10
Issue number10
DOIs
Publication statusPublished - Oct 2009

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Natural frequencies
Electric current control
Controllers
Electric potential
Modulators

Keywords

  • grid-connected voltage source converter
  • GC-VSC
  • proportional integral plus multi-frequency resonant
  • PI+MFR
  • imbalance
  • harmonics distortion

Cite this

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abstract = "This paper proposes a current control scheme for a grid-connected pulse width modulator (PWM) voltage source converter (GC-VSC) under imbalanced and distorted supply voltage conditions. The control scheme is implemented in the positive synchronously rotating reference frame and composed of a single proportional integral (PI) regulator and multi-frequency resonant controllers tuned at the frequencies of 2ω and 6ω, respectively. The experimental results, with the target of eliminating the active power oscillations and current harmonics on a prototype GC-VSC system, validate the feasibility of the proposed current control scheme during supply voltage imbalance and distortion.",
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Proportional integral plus multi-frequency resonant current controller for grid-connected voltage source converter under imbalanced and distorted supply voltage conditions. / Hu, J.B.; Zhang, Wei; Wang, Hong-sheng; He, Y.K.; Xu, L.

In: Journal of Zhejiang University - Science A, Vol. 10, No. 10, 10.2009, p. 1532-1540.

Research output: Contribution to journalArticle

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AU - Hu, J.B.

AU - Zhang, Wei

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AU - Xu, L.

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AB - This paper proposes a current control scheme for a grid-connected pulse width modulator (PWM) voltage source converter (GC-VSC) under imbalanced and distorted supply voltage conditions. The control scheme is implemented in the positive synchronously rotating reference frame and composed of a single proportional integral (PI) regulator and multi-frequency resonant controllers tuned at the frequencies of 2ω and 6ω, respectively. The experimental results, with the target of eliminating the active power oscillations and current harmonics on a prototype GC-VSC system, validate the feasibility of the proposed current control scheme during supply voltage imbalance and distortion.

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