大电网可靠性评估状态分析实现方法的比较  

Comparison of Implementation Methods for State Analysis of Bulk Power System Reliability

作　　者：陈凡[1,2] 卫志农[1] 黄正[2] 孙国强[1] 张雪娇[2] 

机构地区：[1]河海大学能源与电气学院,南京210098 [2]南京工程学院电力工程学院,南京211167

出　　处：《电力系统及其自动化学报》2016年第11期82-87,共6页Proceedings of the CSU-EPSA

基　　金：江苏省高校自然科学研究资助项目(14KJD470004);江苏省大学生实践创新训练计划资助项目(201311276036Y;201311276037Y)

摘　　要：系统状态分析是影响大电网可靠性评估计算效率的关键环节,基于此对系统状态分析的具体实现方法进行了比较研究。介绍了大电网可靠性分析的原理,对系统状态分析中包含的网络拓扑分析、断线潮流计算、最优负荷削减量的计算等步骤的实现方法进行了分析,以RBTS、IEEE RTS79和IEEE RTS96等可靠性测试系统为例进行了算例分析。算例结果表明:节点标记法能更快地进行系统解列判断;利用故障前的节点阻抗矩阵和故障线路信息能够更加快速地计算系统的直流断线潮流;应根据系统规模和复杂性,选择合适的数学模型和优化算法来计算系统的最优负荷削减量。System state analysis is the key procedure affecting the calculation efficiency of bulk power system reliabili- ty. The implementation methods of steps in state analysis are studied comparatively in this paper. The principle of bulk power system reliability is reviewed, and the implementation methods for state analysis are analyzed, including network topology analysis, line-outage power flow calculation and optimal load curtailment. Finally, a series of case studies are carried out on reliability test systems, such as RBTS, IEEE RTS79 and IEEE RTS 96. Results of case studies show that node notation method can conduct the network connectivity analysis more rapidly, the fast algorithm which is on the ba- sis of node impedance matrix of normal system state and the information of fault lines can be used to calculate the line- outage power flow more effectively, and appropriate mathematical model and optimal method should be chosen to calcu- late the optimal load curtailment according to the system scale and complexity.

关 键 词：大电网 状态分析 拓扑分析 断线潮流 最优负荷削减 

分 类 号：TM71[电气工程—电力系统及自动化]