Parameter design of wide area power system stabilizer based on time delay sensitivity and multi-objective optimization

被引：0
|
作者：
Chen Z. [1 ,2 ]
Tang H. [1 ,2 ]
Yan S. [3 ]
Zhou T. [1 ,2 ]
机构：
[1] School of Electrical Engineering, Southeast University, Nanjing
[2] Jiangsu Key Laboratory of Smart Grid Technology and Equipment, Nanjing
[3] Taizhou Power Supply Company of State Grid Jiangsu Electric Power Co., Ltd., Taizhou
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2019年 / 39卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Damping torque analysis method; Multi-objective optimization; Pade approximation; Parameter design; Time delay; Wide area power system stabilizer;
D O I：
10.16081/j.epae.201910002
中图分类号：
学科分类号：
摘要：
Aiming at the time delay problem of signals in the application progress of WPSS(Wide area Po-wer System Stabilizer), a sensitivity index of eigenvalue to time delay is derived based on the Pade appro-ximation and damping torque analysis method, then the multi-objective particle swarm optimization algorithm is applied to solve the parameter optimization problem of WPSS considering the sensitivity index and system damping comprehensively, then the parameter design of WPSS with good robustness for time delay is realized. In the established CPPS(Cyber Physical Power System) platform, the two-area four-generator system is taken as the example to study the control effect of the controller with different time delays. Time-domain simulative results show that the proposed parameter design method of controller has good robustness to the time delay fluctuation of wide area signal. When the transmission time delay of the wide area measurement system changes in a certain range, the controller can still suppress the inter-area low-frequency oscillation effectively, which provides a novel idea for the parameter design of the WPSS. © 2019, Electric Power Automation Equipment Press. All right reserved.
引用
收藏
页码：208 / 214
页数：6
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