Study on Improved Out-Of-Step Splitting Criterion Based on The PMU

被引：0

作者：

Yan, Yu ^{[1
]}

Zhang, Junfang ^{[1
]}

机构：

[1] Univ Sci & Technol, Coll Automat, Nanjing 210094, Jiangsu, Peoples R China

来源：

2012 CHINA INTERNATIONAL CONFERENCE ON ELECTRICITY DISTRIBUTION (CICED) | 2012年

关键词：

out-of-step splitting; oscillation center; voltage phase angle difference; improved PMU criterion;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Ucos phi out-of-step criterion was studied in this paper. It is found that Ucos phi criterion can only partially capture the variation of the oscillation center voltage, so a method using PMU devices to measure both ends of the bus voltage phase angle difference as a secondary criterion combined with Ucos phi criterion is proposed to locate of step oscillation center accurately. equivalent two-machine system model is established to verify the out-of-step based on both ends of the bus voltage phase angle difference by PSCAD simulation tools. The results show that the method can take advantage of the multiport measurement to recognize the out-of-step system state timely so that the contact line can be break reasonably and quickly.

引用

页数：4