Stochastic Estimation Trip Frequency of Sensitive Equipment Due to Voltage Sag

被引：3

作者：

Xiao, Xianyong ^{[1
]}

Liu, Xuna ^{[1
]}

Yang, Honggeng ^{[1
]}

机构：

[1] Sichuan Univ, Sch Elect Engn & Informat, Chengdu 610064, Peoples R China

来源：

2008 IEEE ASIA PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS (APCCAS 2008), VOLS 1-4 | 2008年

关键词：

Sensitive equipment; Trip frequency; Normal distribution; stochastic estimation; Voltage sags;

D O I：

10.1109/APCCAS.2008.4746035

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a case study where the sensitivity of the sensitive equipment due to voltage sag is estimated using a stochastic estimating method based on voltage tolerance curve and load voltage sag sensitivity. The randomicity of the equipment voltage tolerance is described using the normal distribution probability density function. The trip frequencies of sensitive equipment are estimated using accumulative sum mode in order to avoid identifying sensitivity grade for different equipment types. The simulation results comparing with the practical testing show that the proposed method is corrective and effective.

引用

页码：364 / 367

页数：4

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