Characteristics of Pi-section-arti fical Lines with Damping and their Application

Wang Renfu

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Characteristics of Pi-section-arti fical Lines with Damping and their Application

更新时间：2025-04-26

- Characteristics of Pi-section-arti fical Lines with Damping and their Application
- High VoltageApparatus Issue 1, Pages: 3-15(1984)
- 作者机构：
  
  西安高压电器研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1984
- 稿件说明：
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[1]王仁甫.阻尼的PI型人工链路的特性分析及其应用[J].高压电器,1984(01):3-15.

Wang Renfu. Characteristics of Pi-section-arti fical Lines with Damping and their Application[J]. High voltageapparatus, 1984, (1): 3-15.
[1]王仁甫.阻尼的PI型人工链路的特性分析及其应用[J].高压电器,1984(01):3-15. DOI：

Wang Renfu. Characteristics of Pi-section-arti fical Lines with Damping and their Application[J]. High voltageapparatus, 1984, (1): 3-15. DOI：

摘要

对三种π型人工链路（纯电感电容链、均匀阻尼链及第一支路阻尼链）的特性作了分析

并与国际电工委员会（IEC）标准所规定的近区故障试验中的线路侧的瞬态恢复电压（TRV）及开断容量试验中的起始瞬态恢复电压（ITRV）作了比较。采用具有阻尼的π型链路能提高工人链路的TRV或ITRV的起始上升陡度、降低峰值系数和改善与真实线路间的等价性

解决了至今所用的人工链路特性与IEC标准要求间一直存在的一些不相符的问题

而所需的链数仅为目前世界上大多数实验室所用的π型链数（8至12链）的一半或更少

这样

简化了链回路的计算并在实际试验中获得了满意的瞬态恢复电压的波形。

Abstract

Characteristics of three types of Pi-cection-artificial lines （the purely capacitive inductive line

the line with homogeneous resistance and red the line

with the resitance in the first branch only） are analyzed and compa-with requirements specified by IEC standard for TRV of SLF line-side and ITRV of the sourse-side of SLF or BTF.Pi-section lines with damping increase the slope of TRV and ITRV

reduce the peak factor and improve the equivalence of artificial lines to the actual line.At the same time

the number of Pi-sections of artificial lines is only the half of that in the lines adopted in the most of other high power laboratories.

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