| 基于预防-紧急协调控制的大电网连锁故障防御策略 |
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| 引用本文： | 姜盛波,杨军,王建雄,袁文,谢培元,罗超,孙元章. 基于预防-紧急协调控制的大电网连锁故障防御策略[J]. 电力自动化设备, 2019, 39(12) |
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| 作者姓名： | 姜盛波 杨军 王建雄 袁文 谢培元 罗超 孙元章 |
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| 作者单位： | 武汉大学电气与自动化学院,湖北武汉,430072;国网湖南省电力有限公司,湖南长沙,410000 |
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| 基金项目： | 国家自然科学基金资助项目(51277135) |
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| 摘 要： | 电网结构和运行方式的复杂性日益增加,源发故障引发大停电事故的概率随之加大。基于过载主导型连锁故障的传播机理和时间特性分析,兼顾调度人员对连锁故障后果的可承受性,建立了基于预防-紧急协调控制的大电网连锁故障防御模型,引入协调因子将控制压力分解到连锁故障发生前/后,以预防控制优化系统的初始运行状态,在考虑发电机可调度潜力的基础上以紧急控制配合必要的切机/切负荷手段,实现对连锁故障蔓延的抑制。IEEE 39节点系统的算例分析结果表明,所提协调控制模型可以充分发挥预防控制和紧急控制的互补特性,兼顾连锁故障后果可承受度约束和经济性要求,对连锁故障进行全过程防御。
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| 关 键 词： | 大电网 连锁故障 过载主导型连锁故障 预防控制 紧急控制 协调控制 |
| 收稿时间： | 2019-05-10 |
| 修稿时间： | 2019-08-29 |
Defense strategy against large power grid cascading failure based on coordinated preventive-emergency control |
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| JIANG Shengbo,YANG Jun,WANG Jianxiong,YUAN Wen,XIE Peiyuan,LUO Chao and SUN Yuanzhang. Defense strategy against large power grid cascading failure based on coordinated preventive-emergency control[J]. Electric Power Automation Equipment, 2019, 39(12) |
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| Authors: | JIANG Shengbo YANG Jun WANG Jianxiong YUAN Wen XIE Peiyuan LUO Chao SUN Yuanzhang |
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| Affiliation: | School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China,School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China,State Grid Hunan Electric Power Company, Changsha 410000, China,State Grid Hunan Electric Power Company, Changsha 410000, China,State Grid Hunan Electric Power Company, Changsha 410000, China,School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China and School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China |
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| Abstract: | |
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| Keywords: | large power grid cascading failure overload-dominated cascading failure preventive control emergency control coordinated control |
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