New Model for Calculating the Shielding Failure Trip-Out Rate of Transmission Line

贾磊; 张桂红; 舒亮; 温定筠; 施围

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New Model for Calculating the Shielding Failure Trip-Out Rate of Transmission Line

更新时间：2025-12-08

- New Model for Calculating the Shielding Failure Trip-Out Rate of Transmission Line
- Vol. 41, Issue 2, Pages: 223-227(2007)
- 作者机构：
  
  西安交通大学电气工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM863
- Online First：10 February 2007，
  
  Published：2007
- 稿件说明：
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贾磊, 张桂红, 舒亮, et al. New Model for Calculating the Shielding Failure Trip-Out Rate of Transmission Line[J]. 2007, 41(2): 223-227.
DOI：

贾磊, 张桂红, 舒亮, et al. New Model for Calculating the Shielding Failure Trip-Out Rate of Transmission Line[J]. 2007, 41(2): 223-227. DOI：

摘要

为了能够更精确地计算输电线路的绕击跳闸率

将电磁暂态程序EMTP与蒙特卡罗法相结合

提出了一种新的计算输电线路绕击跳闸率的模型.该模型既能充分计及影响输电线路绕击跳闸的各种随机因素

又具有电磁暂态程序对过电压计算准确的优点

从而提高了计算绕击跳闸率的准确性.仿真计算结果表明

利用该模型所得到的绕击跳闸率与实际值的相对误差在10%以内.因此

该模型较规程法能更好地反映输电线路绕击跳闸的实际情况.

Abstract

To evaluate the shielding failure trip-out rate of the transmission lines accurately

a new model combining electromagnetic transient program(EMTP)simulation with Monte Carlo method is presented

where all random factors are taken into account and the higher accuracy for electromagnetic transient analysis of EMTP is kept. The simulated result shows that the relative error between the calculated result and the on site value gets within 10% to describe the trip-out more actually.

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references

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张志劲,司马文霞,蒋兴良,等. 超/特高压输电线路雷电绕击防护性能研究 [J].中国电机工程学报,2005,25(10):1-6.

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