A Classification Rolling Contingency Screening Method for On-line Transient Security and Stability Assessment

被引：0

作者：

Xu T. ^{[1
]}

Du Y. ^{[2
]}

Bao Y. ^{[1
]}

Ma S. ^{[3
]}

Ren X. ^{[1
]}

Xiang X. ^{[1
]}

机构：

[1] NARI Group Corporation (State Grid Electric Power Research Institute), Nanjing

[2] Electric Power Dispatching and Control Center of State Grid Jibei Electric Power Company Limited, Beijing

[3] China Electric Power Research Institute, Beijing

来源：

Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2018年 / 42卷 / 13期

关键词：

Contingency screening; On-line assessment; Stability margin; Stability mode; Transient security and stability;

D O I：

10.7500/AEPS20170602007

中图分类号：

学科分类号：

摘要：

To meet the requirement of calculation time for on-line transient security and stability assessment, an on-line transient security and stability contingency screening method based on margin and mode estimation is proposed. According to the margin and modes information of each contingency in previous assessment results, including transient power angle stability, transient voltage security, transient voltage stability, and transient frequency security, and combining the power flow change, in service or out of service information of the relevant components associated with the security and stability modes of each contingency, the transient security and stability margin of each contingency under the new on-line transient security and stability evaluation is estimated, and the corresponding security mode is determined. Thereby, the contingency subset, which needed to be calculated in detail can be screened from the complete contingency set in the on-line transient security and stability evaluation. According to the simulation analysis of actual power network data, the validity and practicability of the proposed method can be verified. © 2018 Automation of Electric Power Systems Press.

引用

页码：182 / 188

页数：6

共 16 条

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