The Application of Transient Calculation for Loop Closing of Distribution Network Based on The DSA

H. Zhigang, Guo Lingxu, Wang Xin, Wang Jian
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Abstract

Loop closing operation can reduce power outage, but it is dangerous. Real time security calculation is very necessary. Through the improved multi-balance buses power flow calculation and weighted robust state estimation, DSA technology is applied to real-time loop closing security check for distribution network. Applying the theory, the Tianjin electric power dispatching control center and Chengxi electric power dispatching control center have realized the synchronous online safety analysis under the DSA. And the power outage reduction and security is achieved.
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基于DSA的配电网暂态合闸计算的应用
合闸操作可以减少停电,但危险较大。实时安全计算是非常必要的。通过改进的多平衡母线潮流计算和加权鲁棒状态估计,将DSA技术应用于配电网的实时闭环安全检测。应用该理论,天津电力调度控制中心和城西电力调度控制中心实现了DSA下的同步在线安全分析。实现了减少停电和安全运行。
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