Research on the Unit Black-Start Strategy Considering Recovery Path and Start Sequence

Jie Zhao, Yilin Liang (), Yudi Fang, Yixuan Weng, Weizhe Ma, Huaixun Zhang and Yiyang Zhang
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Jie Zhao: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Yilin Liang: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Yudi Fang: State Grid Fujian Electric Power Economic and Technical Research Institute, Fuzhou 350007, China
Yixuan Weng: Shenzhen Power Company Ltd., Shenzhen 518001, China
Weizhe Ma: Shenzhen Power Company Ltd., Shenzhen 518001, China
Huaixun Zhang: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Yiyang Zhang: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China

Sustainability, 2022, vol. 14, issue 20, 1-13

Abstract: Large-scale power outage events bring serious economic losses to national and social development and cause bad impacts, and the reasonable formulation of a unit black-start strategy is the basis of power outage recovery. Firstly, the Dijkstra shortest path algorithm is used to search for the optimal recovery path of the unit to be started after a major blackout occurs, and secondly, a comprehensive index of the unit start sequence considering the unit characteristics and unit distance is defined to guide the unit start sequence formulation by combining the unit capacity, climbing rate, start power, and other characteristics with the recovery time and capacitance value of the recovery path. Finally, based on the unit start sequence and optimal recovery path, and taking into account the unit start constraints, a complete unit black-start strategy is proposed, and the effectiveness of this strategy is verified by IEEE30 node system simulation. The results show that the proposed unit black-start strategy can reduce the unit recovery time and improve the recovery success rate.

Keywords: units recovery path; start-up sequence; shortest path; recovery success rate; black start (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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