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Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2009, Vol. 10 Issue (10): 1532-1540    DOI: 10.1631/jzus.A0820440
Electrotechnology     
Proportional integral plus multi-frequency resonant current controller for grid-connected voltage source converter under imbalanced and distorted supply voltage conditions
Jia-bing HU, Wei ZHANG, Hong-sheng WANG, Yi-kang HE, Lie XU
School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China; Department of Electronics and Electrical Engineering, Strathclyde University, Glasgow G1 1XW, UK
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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.

Key wordsGrid-connected voltage source converter (GC-VSC)      Proportional integral plus multi-frequency resonant (PI+MFR)      Imbalance      Harmonics distortion     
Received: 12 June 2008     
CLC:  TM315  
  TM614  
Cite this article:

Jia-bing HU, Wei ZHANG, Hong-sheng WANG, Yi-kang HE, Lie XU. Proportional integral plus multi-frequency resonant current controller for grid-connected voltage source converter under imbalanced and distorted supply voltage conditions. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2009, 10(10): 1532-1540.

URL:

http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0820440     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2009/V10/I10/1532

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