Dynamic Decision-Making of Blackstart Scheme Based on VSC-HVDC

被引：0
作者：
Ye, Yongjian [1 ]
Luo, Wei [1 ]
Ju, Shangchun [1 ]
Huang, Shujian [1 ]
Yang, Long [1 ]
Li, Changcheng [1 ]
机构：
[1] Guangxi Univ, Sch Elect Engn, Nanning 530004, Peoples R China
来源：
2020 IEEE STUDENT CONFERENCE ON ELECTRIC MACHINES AND SYSTEMS (SCEMS 2020) | 2020年
关键词：
system restoration; VSC-HVDC; system strength; the combination weighting method; dynamic decision-making; AC;
D O I：
10.1109/SCEMS48876.2020.9352297
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The reasonable selection of the power system blackstart scheme is of great significance to restore the power system rapidly. According to the relationship between the output characteristics of voltage source converter (VSC) and the alternating current (AC) system strength, this paper proposes an optimal decision-making method for blackstart. The short circuit ratio ( SCR) is introduced to measure the strength of the restored AC system, and the restoration process of the AC system is quantified by the branch addition method. Then, the evaluation framework of the blackstart is constructed, and the weight of each criterion is evaluated by SCR. Analytic hierarchy process (AHP) and entropy weight (EW) methods are used to evaluate each unit and its restoration path, and the technique for order preference by similarity to an ideal solution (TOPSIS) method is used to obtain the restoration sequence of units. Finally, according to the changes of system strength and data, the final restoration sequence is obtained through multiple decisions. Case studies on IEEE 39-bus test systems demonstrate that the proposed dynamic decision-making method can provide accurate decision results.
引用
收藏
页码：586 / 590
页数：5
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