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电网技术  2011 

大电网连锁故障的风险分析及对策

, PP. 43-49

Keywords: 大电网,连锁故障,安全自动装置,特高压,网架结构,运行方式,风险

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Abstract:

针对大规模电网连锁故障风险不断增大的问题,结合我国大区电网实际运行经验,对大电网运行特点及存在的连锁故障风险因素,如电力系统安全自动装置风险、特高压电网联络线功率控制风险、电网网架结构风险、电网运行方式风险、小概率事件风险等都进行了深入探讨。在此基础上,从大电网运行、管理等角度入手,针对各类风险的不同特点,提出了若干有普遍适用意义的对策,如建设广域测量系统及风险预警系统、构建电网防灾调度体系、加快调控一体化建设等。最后,对我国大电网的发展前景进行了总结和展望。

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