Jong-Kyu Kim, “비례공진제어기를 이용한 계통연계형 풍력발전 시스템의 성능개선,” 아주대학교 공학석사 학위 논문, 2012. > Paper

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Thesis Jong-Kyu Kim, “비례공진제어기를 이용한 계통연계형 풍력발전 시스템의 성능개선,” 아주대학교 공학석사 학위 논문, 2012.

2012

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This paper proposes a compensation method for the 2nd harmonics of grid-connected small wind power generation systems.

Theoretically, a single-phase grid-connected inverter system has no choice but to cause the 2nd harmonics 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 2nd

harmonics. Unlike existing methods which compensates the reference of DC-link voltage, the proposed method can compensate,

conveniently, the reference active current with the 2nd harmonics. The proposed method takes a PR controller as a feed-forward

compensator to reduce the 2nd harmonics in the reference active current. The PR controller can implement selective harmonic

compensation without excessive computational requirements; the use of these controllers simplifies the method. The simulation

results agree well with the theoretical analysis.

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