Voltage Sag Severity Assessment Based on Process Performance Index

Qin Dong Xiao Yanhui Yang Honggeng

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Voltage Sag Severity Assessment Based on Process Performance Index

更新时间：2025-11-18

- Voltage Sag Severity Assessment Based on Process Performance Index
- Issue 5, Pages: 9-12(2008)
- 作者机构：
  
  1. 内江电业局
  2. 四川大学
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM714.2
- Published：2008
- 稿件说明：
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[1]秦东,肖艳辉,杨洪耕.用过程性能指数评估电压凹陷严重程度的方法[J].四川电力技术,2008(05):9-12.

Qin Dong Xiao Yanhui Yang Honggeng. Voltage Sag Severity Assessment Based on Process Performance Index[J]. 2008, (5): 9-12.
[1]秦东,肖艳辉,杨洪耕.用过程性能指数评估电压凹陷严重程度的方法[J].四川电力技术,2008(05):9-12. DOI：

Qin Dong Xiao Yanhui Yang Honggeng. Voltage Sag Severity Assessment Based on Process Performance Index[J]. 2008, (5): 9-12. DOI：

摘要

提出利用过程性能指数评估节点电压凹陷对一般敏感设备的影响程度。首先将电压暂降特性（幅值和持续时间）与CBEMA曲线相结合

得到电压凹陷容忍差值

然后结合年凹陷频次得到电压凹陷容忍差的均值和标准差

最后根据均值和标准差计算出节点电压凹陷过程性能指数

作为评估节点电压凹陷影响程度的指标。以IEEE-30系统为例

将节点电压凹陷过程性能指数与平均严重程度指数的计算结果进行对比

验证了该方法的有效性和实用性。

Abstract

The paper estimates the influence extent of node voltage sags on general equipment sensitivity by process performance index.Firstly the tolerant deviation of voltage sag is obtained by combination voltage sag characteristics（amplitude and duration） with CBEMA curve

and then Combined with the annual frequency mean and standard deviation of tolerant deviation of voltage sag are calculated and process performance index of node voltage sag is obtained according to mean and standard deviation

which is treated as the index to estimate the influence extent of node voltage sags.The paper takes IEEE-30 as an example

the results of the process performance indices are compared with average severity indices

which proves its effectiveness and practicality.

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The Voltage Sags Sensitivity Assessment of Equipment Based on Moment Estimation

The Sensitivity Stochastic Assessment of Equipment Due to Voltage Sag

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