电网技术2012，Vol.36Issue(11)：101-108,8.
电力系统强迫功率振荡的等效电路定位分析法
An Equivalent Circuit Approach to Locate Source of Power System Forced Power Oscillation
摘要
Abstract
The most efficient way to cope with forced power oscillation occurred in power system is to locate the disturbing source. Taking injecting unbalanced power into the prime mover of single-machine infinitive bus system to trigger the forced power oscillation as an example and according the relation among variables of a linearized system while the oscillation reaches its steady-state and the characteristics of energy transformation, the power deviation and frequency deviation of forced power oscillation are represented by phasors and the steady-state oscillation process is turned into a circuit to carry out the analysis, and then such a circuit analysis approach is extended to multi-machine system. On this basis, four methods to judge the propagation direction of the disturbance are given, and accordingly the location of disturbing source can be found out. The availability of the proposed approach is verified by simulation results of a ten-machine 39-bus system.关键词
强迫振荡/扰动源定位/能量函数/等效电路Key words
forced power oscillations/ location of disturbing source/ energy function/ equivalent circuit分类
信息技术与安全科学引用本文复制引用
杨毅强,刘天琪,李兴源,胡楠,史华勃..电力系统强迫功率振荡的等效电路定位分析法[J].电网技术,2012,36(11):101-108,8.基金项目
国家863高技术基金项目(2011AA05A119) （2011AA05A119）
国家自然科学基金项目(51037003). （51037003）
