A 2^{nd} Order Harmonic Compensation Method for Wind Power System Using a PR Controller

- Journal title : Journal of Electrical Engineering and Technology
- Volume 8, Issue 3, 2013, pp.507-515
- Publisher : The Korean Institute of Electrical Engineers
- DOI : 10.5370/JEET.2013.8.3.507

Title & Authors

A 2^{nd} Order Harmonic Compensation Method for Wind Power System Using a PR Controller

Jeong, Hae-Gwang; Lee, Jong-Hyun; Lee, Kyo-Beum;

Jeong, Hae-Gwang; Lee, Jong-Hyun; Lee, Kyo-Beum;

Abstract

This paper proposes a compensation method for the -order harmonic of single-phase grid-connected wind power generation systems. Theoretically, a single-phase grid-connected inverter system has no choice but to cause the -order harmonic to DC-link voltage. The reference active current is affected by the DC-link voltage. The output current from the reference active current is distorted by the and -order harmonic. The proposed method can compensate, conveniently, the reference active current with the -order harmonic. To reduce the -order ripple in the reference active current, proposed method takes a PR controller as a feed-forward compensator. PR controllers can implement selective harmonic compensation without excessive computational requirements; the use of these controllers simplifies the method. Both the simulation and experimental results agree well with the theoretical analysis.

Keywords

Single-phase;Grid-connected system;Wind power;Generation system;PR(Proportional Resonant) controller; order harmonic;

Language

English

Cited by

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Controller Design for a Quick Charger System Suitable for Electric Vehicles,;;

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