An Enhanced Harmonic Voltage Compensator for General Loads in Stand-alone Distributed Generation Systems

Quoc-Nam Trinh; Hong-Hee Lee; Tae-Won Chun

An Enhanced Harmonic Voltage Compensator for General Loads in Stand-alone Distributed Generation Systems

Quoc-Nam Trinh

Hong-Hee Lee

Tae-Won Chun

Vol. 13, No. 6, pp. 1070-1079, Nov. 2013

10.6113/JPE.2013.13.6.1070

Distributed generation

Nonlinear load

Unbalanced load

Repetitive controller

Harmonic compensation

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Abstract

This paper develops an enhanced harmonic voltage compensator which is implemented with the aid of two repetitive controllers (RCs) in order to improve the output voltage performance of stand-alone distributed generation (DG) systems. The proposed harmonic voltage compensator is able to maintain the DG output voltage sinusoidal regardless of the use of nonlinear and/or unbalanced loads in the load side. In addition, it can offer good steady-state performance under various types of loads and a very fast dynamic response under load variations to overcome the slow dynamic response issue of the traditional RC. The feasibility of the proposed control strategy is verified through simulations and experiments.

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Cite this article

[IEEE Style]

Q. Trinh, H. Lee, T. Chun, "An Enhanced Harmonic Voltage Compensator for General Loads in Stand-alone Distributed Generation Systems," Journal of Power Electronics, vol. 13, no. 6, pp. 1070-1079, 2013. DOI: 10.6113/JPE.2013.13.6.1070.

[ACM Style]

Quoc-Nam Trinh, Hong-Hee Lee, and Tae-Won Chun. 2013. An Enhanced Harmonic Voltage Compensator for General Loads in Stand-alone Distributed Generation Systems. Journal of Power Electronics, 13, 6, (2013), 1070-1079. DOI: 10.6113/JPE.2013.13.6.1070.