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
- 1,554 - 1,565 (12page)
이용수
초록· 키워드
오류제보하기
When grid voltage is unbalanced, the grid-connected output current and power of Virtual Synchronous Generators (VSGs) are distorted and quadratic. In order to improve the power quality of a grid connected to a VSG when the grid voltage is unbalanced, a comprehensive coordinated control strategy is proposed. The strategy uses the positive sequence current reference command obtained by a VSG in the balanced current control mode to establish a unified negative sequence current reference command analytical expression for the three objectives of current balance, active power constant and reactive power constant. In addition, based on the relative value of each target"s volatility, a comprehensive wave function expression is established. By deriving the comprehensive wave function, the corresponding negative sequence current reference value is obtained. Therefore, the VSG can achieve the minimum comprehensive fluctuation under the premise that the three targets meet the requirements of grid connection, and the output power quality is improved. The effectiveness of the proposed control strategy is verified by simulation and experimental results.
목차
Abstract
I. INTRODUCTION
II. MODELING OF A VSG UNDER AN UNBALANCED POWER GRID
III. COMPREHENSIVE COORDINATED CONTROL STRATEGY OF A VSG
IV. SIMULATION RESULTS
V. EXPERIMENTAL RESULTS
VI. CONCLUSION
REFERENCES
참고문헌 (25)
참고문헌 신청
S. M. Malik, X. Ai, Y. Y. Sun, Z. Q. Chen, and S. P. Zhou, “Voltage and frequency control strategies of hybrid AC/DC microgrid: a review,” IET Gener. Transm. Distrib, Vol. 11, No. 2, pp. 303-313, Jan. 2017.
W. S. Tan, M. Y. Hassan, M. S. Majid, and H. Abdul Rahman, “Optimal distributed renewable generation planning: A review of different approaches,” Renewable and Sustainable Energy Reviews, Vol. 18, pp. 626-645, Feb. 2013.
M. P. N. van Wesenbeeck, S. W. H. de Haan, P. Varela, and K. Visscher, “Grid tied converter with virtual kinetic storage,” in Proc. 2009 IEEE PowerTech. Bucharest, pp. 1-7, 2009.
M. Ashabani and Y. A. R. I. Mohamed, “Novel comprehensive control framework for incorporating VSCs to smart power grids using bidirectional synchronous-VSC,” IEEE Trans. Power Syst, Vol. 29, No. 2, pp. 943-957, Mar. 2014.
H. Zhao, Q. Yang, and H. Zeng, “Multi-loop virtual synchronous generator control of inverter-based DGs under microgrid dynamics,” IET Gener. Transm. Distrib, Vol. 11, No. 3, pp. 795-803, Feb. 2017.
W. S. Tan, M. Y. Hassan, M. S. Majid, and H. Abdul Rahman, “Optimal distributed renewable generation planning: A review of different approaches,” Renewable and Sustainable Energy Reviews, Vol. 18, pp. 626-645, Feb. 2013.
M. P. N. van Wesenbeeck, S. W. H. de Haan, P. Varela, and K. Visscher, “Grid tied converter with virtual kinetic storage,” in Proc. 2009 IEEE PowerTech. Bucharest, pp. 1-7, 2009.
M. Ashabani and Y. A. R. I. Mohamed, “Novel comprehensive control framework for incorporating VSCs to smart power grids using bidirectional synchronous-VSC,” IEEE Trans. Power Syst, Vol. 29, No. 2, pp. 943-957, Mar. 2014.
H. Zhao, Q. Yang, and H. Zeng, “Multi-loop virtual synchronous generator control of inverter-based DGs under microgrid dynamics,” IET Gener. Transm. Distrib, Vol. 11, No. 3, pp. 795-803, Feb. 2017.
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