Application of Statistical Method in Evaluating Pollution Flashover Risk of Insulators

NIU Chun-jie; CHENG Yang-chun

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Application of Statistical Method in Evaluating Pollution Flashover Risk of Insulators

更新时间：2025-04-26

- Application of Statistical Method in Evaluating Pollution Flashover Risk of Insulators
- High VoltageApparatus Vol. 45, Issue 1, Pages: 104-106(2009)
- 作者机构：
  
  华北电力大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM216
- Published：2009
- 稿件说明：
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[1]牛春节,程养春.概率统计在绝缘子污闪风险性评估中的应用[J].高压电器,2009,45(01):104-106.

NIU Chun-jie, CHENG Yang-chun. Application of Statistical Method in Evaluating Pollution Flashover Risk of Insulators[J]. High voltageapparatus, 2009, 45(1): 104-106.
[1]牛春节,程养春.概率统计在绝缘子污闪风险性评估中的应用[J].高压电器,2009,45(01):104-106. DOI：

NIU Chun-jie, CHENG Yang-chun. Application of Statistical Method in Evaluating Pollution Flashover Risk of Insulators[J]. High voltageapparatus, 2009, 45(1): 104-106. DOI：

摘要

笔者分析了灰密的概率密度分布

并推导出盐密与灰密的联合概率密度函数。在不考虑灰密和考虑灰密两种情况下

利用概率统计方法

推导出在恒定电压下

绝缘子的污闪概率计算方法

为评估线路可靠性、调度部门决策、绝缘子的维护以及新线路绝缘子的选型提供依据。

Abstract

This paper analyzes the probability density distribution of the non-soluble deposit density

and hence deduces a combined probability density distribution function.An expression of pollution flashover probability under constant voltage is also deduced by means of statistical method with or without considering salt NSDD.This study can be applied to power line reliability evaluation

insulators maintenance

and insulators selection for new lines.

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