稳态模型和混合模型在连锁故障预测中的适用性分析
Feasibility Analysis on Forecast of Cascading Failures Based on Steady Model and Hybrid Model
DOI: 10.12677/SG.2018.82013, PDF,   
作者: 钱宇骋*, 张晶晶, 丁 明：安徽省新能源利用与节能省级实验室(合肥工业大学)，安徽 合肥
关键词: 电力系统；连锁故障；预测；稳态模型；暂态模型；混合模型；适用性分析；Power System； Cascading Failure； Forecast； Steady Model； Transient Model； Hybrid Model； Feasibility Analysis
摘要: 针对连锁故障仿真中常用的直流潮流稳态模型(DC-SM)、交流潮流稳态模型(AC-SM)、暂态模型(TM)和混合模型(HM)，以TM为参考模型，对比了模型在连锁故障预测时的一致性和差异性，将连锁故障传播阶段划分为关键线路开断前的缓慢相继开断阶段和关键线路开断后的快速相继开断阶段，对SM和HM在不同阶段的适用性进行分析。首先，采用IEEE10机39节点系统进行仿真计算，对比DC-SM、AC-SM与TM的仿真结果，分析节点电压和发电机功角等因素对仿真结果的影响，验证了SM在缓慢相继开断阶段预测的有效性；最后，针对SM在连锁故障快速相继开断阶段预测方面存在的问题，对比了HM和TM在快速相继开断阶段的仿真结果，验证了HM在快速相继开断阶段预测的有效性。
Abstract: The commonly used simulation models of cascading failure contain DC power flow steady model (DC-SM), AC power flow steady model (AC-SM), transient model (TM) and hybrid model (HM). Taken TM as a reference model, the consistency and difference of the models are compared in the simulation of cascading failures, and cascading failure propagation stage is divided into slow successive break stage and fast successive break stage, and the feasibility of SM and HM at different stages is analyzed. Firstly, taken the IEEE 39-bus system as an example, by comparing the simulation results of DC-SM, AC-SM and TM, the influence of the bus voltage and generator power angle on the simulation results is analyzed, and the effectiveness of SM in the slow successive break phase is verified. Finally, aiming at the problem of SM in the simulation of cascading failures, the simulation results of HM and TM in the fast successive break stage are compared, and the effectiveness of HM in the fast successive break phase is verified.
文章引用：钱宇骋, 张晶晶, 丁明. 稳态模型和混合模型在连锁故障预测中的适用性分析[J]. 智能电网, 2018, 8(2): 111-120. https://doi.org/10.12677/SG.2018.82013

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