지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.11
- 수록면
- 1,575 - 1,581 (7page)
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이 논문의 연구 히스토리 (3)
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초록· 키워드
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Due to the mismatched line impedance among distributed generation units (DGs) and uncontrolled harmonic current, the droop controller has a number of problems such as inaccurate reactive power sharing and voltage distortion at the point of common coupling (PCC). To solve these problems, this paper proposes a resistive-capacitive virtual impedance control method. The proposed control method modifies the DG output impedance at the fundamental and harmonic frequencies to compensate the mismatched line impedance among DGs and to regulate the harmonic current. Finally, reactive power sharing is accurately achieved, and the PCC voltage distortion is compensated. In addition, adaptively controlling the virtual impedance guarantees compensation performance in spite of load changes. The effectiveness of the proposed control method was verified by experimental results.
목차
Abstract
I. INTRODUCTION
II. CONVENTIONAL DROOP CONTROL ALGORITHM
III. PROPOSED CONTROL STRATEGY
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
참고문헌 (18)
참고문헌 신청
D. E. Olivares, A. Mehrizi-Sani, A. H. Etemadi, C. A. Canizares, R. Iravani, M. Kazerani, A. H. Hajimiragha, O. Gomis-Bellmunt, M. Saeedifard, R. Palma-Behnke, G. A. Jimenez-Estevez, and N. D. Hatziargyriou, “Trends in microgrid control,” IEEE Trans. Smart Grid, Vol. 5, No. 4, pp. 1905-1919, Jul. 2014.
Y. W. Li and C. N. Kao, “An accurate power control strategy for power-electronics-interfaced distributed generation units operating in a low-voltage multibus microgrid,” IEEE Trans. Power Electron., Vol. 24, No. 12, pp. 2977-2988, Dec. 2009.
H. Han, X. Hou, J. Yang, J. Wu, M. Su, and J. M. Guerrero, “Review of power sharing control strategies for islanding operation of AC microgrids,” IEEE Trans. Smart Grid, Vol. 7, No. 1, pp. 200-215, Jan. 2016.
K. De Brabandere, B. Bolsens, J. Van den Keybus, A. Woyte, J. Driesen, and R. Belmans, “A Voltage and Frequency Droop Control Method for Parallel Inverters,” IEEE Trans. Power Electron., Vol. 22, No. 4, pp. 1107- 1115, Jul. 2007.
C. T. Lee, C. C. Chu, and P. T. Cheng, “A new droop control method for the autonomous operation of distributed energy resource interface converters,” IEEE Trans. Power Electron., Vol. 28, No. 4, pp. 1980-1993, Apr. 2013.
Y. W. Li and C. N. Kao, “An accurate power control strategy for power-electronics-interfaced distributed generation units operating in a low-voltage multibus microgrid,” IEEE Trans. Power Electron., Vol. 24, No. 12, pp. 2977-2988, Dec. 2009.
H. Han, X. Hou, J. Yang, J. Wu, M. Su, and J. M. Guerrero, “Review of power sharing control strategies for islanding operation of AC microgrids,” IEEE Trans. Smart Grid, Vol. 7, No. 1, pp. 200-215, Jan. 2016.
K. De Brabandere, B. Bolsens, J. Van den Keybus, A. Woyte, J. Driesen, and R. Belmans, “A Voltage and Frequency Droop Control Method for Parallel Inverters,” IEEE Trans. Power Electron., Vol. 22, No. 4, pp. 1107- 1115, Jul. 2007.
C. T. Lee, C. C. Chu, and P. T. Cheng, “A new droop control method for the autonomous operation of distributed energy resource interface converters,” IEEE Trans. Power Electron., Vol. 28, No. 4, pp. 1980-1993, Apr. 2013.
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