电力系统扩展黑启动方案的后效性研究

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摘要大停电后恢复初期阶段的扩展黑启动策略为恢复控制提供了新的思路,针对扩展黑启动方案的后效性研究,将后续网架重构过程离散为次序进行的多个时步,建立了计及后续重构过程中机组启动与负荷恢复交替与协调的多目标网架重构优化模型。结合采用分层序列法、改进细菌觅食算法和最短路径法,从网架重构整体最优的角度求解每一时步的待恢复机组、负荷及相应的恢复路径,进而得到网架重构最优方案;在此基础上,建立了反映重构过程多输入多输出要素的指标集,以超效率数据包络分析模型评估后续网架重构的相对效率,以此效率表征扩展黑启动方案的后效性。基于新英格兰10机39节点系统的扩展黑启动方案算例分析验证了本文方法的有效性与正确性。

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关键词 ：扩展黑启动, 后效性, 数据包络分析, 网架重构, 多目标优化

Abstract：The extended black-start strategy during the early recovery stage after blackout provides a new way for power system restoration. In order to evaluate the aftereffect of an extended black-start scheme, through discretizing the network reconstruction process into a series of successive time steps, a multi-objective network reconstruction optimization model considering the alternation and coordination that unit restarting with load restoration during subsequent reconstruction process is established, and then a solving method combining the lexicographic optimization method with improved bacterial foraging algorithm and Dijkstra algorithm is proposed to solve the model. The units, loads and restoration paths in each time step are optimized from the perspective of the global optimum to obtain the optimal reconstruction scheme. After that, by defining a group of input and output indexes reflecting the multiple elements of reconstruction process, the relative efficiency of the subsequent reconstruction, which represents the aftereffect of the extended black-start scheme, are evaluated by using the super efficiency data envelopment analysis model. The test results on the New England 10-unit 39-bus system verified the validity and correctness of the proposed method.

Key words： Extended black-start aftereffect data envelop analysis network reconstruction multi-objective optimization

收稿日期: 2014-06-19 出版日期: 2015-05-25

PACS:

TM76

基金资助:国家自然科学基金（51277076）,高等学校博士学科点专项科研基金（20110036110007）和中央高校基本科研业务费专项资金（13XS23）资助项目

作者简介: 顾雪平男,1964年生,教授,博士生导师,主要研究方向为电力系统安全防御与恢复控制、智能技术在电力系统中的应用。王大江男,1984年生,博士研究生,研究方向为电力系统安全防御与恢复控制。

引用本文:

顾雪平, 李少岩. 电力系统扩展黑启动方案的后效性研究[J]. 电工技术学报, 2015, 30(8): 238-246. Gu Xueping, Wang Dajiang, Li Shaoyan, Li Wenyun, Zhu Tao,. Investigation on Aftereffect of Power System Extended Black-Start Schemes. Transactions of China Electrotechnical Society, 2015, 30(8): 238-246.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2015/V30/I8/238

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