电力系统自动化Issue(13)：44-50,157,8.DOI:10.7500/AEPS20140815004
计及特高压输电线路影响的自组织临界电网风险评估方法
A Modified Self-organized Criticality Method for Power System Risk Assessment Concerning Influences of Ultra-high-voltage Transmission Lines
叶冠豪 1张焰 1张志强2
作者信息
- 1. 上海交通大学电子信息与电气工程学院，上海市 200240
- 2. 中国电力科学研究院，北京市 100192
- 折叠
摘要
Abstract
Based on the self-organized criticality theory,and considering the voltage control in fast process,a comprehensive simulation analysis on the cascading failure conditions for power systems with ultra-high-voltage(UHV) transmission lines is conducted by optimal DC power flow calculation and serial Monte Carlo simulation.Then the power failure risks are assessed by related risk indices.According to the self-organized criticality balance progress,the relationship between the daily mean fault branch number,load increasing rate,branch restoration index and total branch number is derived at the time the balance between the power flow of branches and capacity increase is reached.Case studies show that the risk assessment results using the self-organized criticality method are closely related to the load development level.Finally,the modified self-organized criticality method is adopted to evaluate the power failure risks of regional power systems with UHV transmission lines,and the rationality of the theory analysis is verified.关键词
特高压输电线路/自组织临界/风险评估/连锁故障Key words
ultra-high-voltage transmission line/self-organized criticality/risk evaluation/cascading failure引用本文复制引用
叶冠豪,张焰,张志强..计及特高压输电线路影响的自组织临界电网风险评估方法[J].电力系统自动化,2015,(13):44-50,157,8.
