基于动力学的电网发电机故障恢复策略研究Research on the Strategy of Fault Generator Recovery Based on the Dynamics in the Power Grid
谢蓉;邹艳丽;傅杰;
摘要(Abstract)：
当电网中个别发电机出现故障,不能为电网正常供电时,可能会引起其他发电机的超载级联,进而影响整个电网的正常有效运行。本文基于类Kuramoto模型,提出一种根据脆弱度切除负荷节点的发电机故障恢复策略,研究对比了切除脆弱度大的节点和切除脆弱度小的节点对系统恢复后网络性能的影响。研究表明,切除脆弱度小的节点后,剩余子系统的同步临界耦合强度Kc更小、所有节点频偏中的最大频偏绝对值更小、剩余子系统的负荷最小失同步扰动强度更大。因此,当电网中个别发电机出现故障时,利用本文方法能有效排除故障,使电网恢复稳定运行。
关键词(KeyWords)： 类Kuramoto模型;脆弱度;网络性能;同步临界耦合强度;最小失同步扰动强度
基金项目(Foundation): 国家自然科学基金(11562003);; 广西多源信息挖掘与安全重点实验室系统性研究课题(13-A-02-03);; 广西研究生教育创新计划(YCSZ2014098)
作者(Authors): 谢蓉;邹艳丽;傅杰;
DOI: 10.16088/j.issn.1001-6600.2017.01.001
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