QUESTIONS TO BE CONSIDERED FOR USING 750kV GIL AT LAXIWA HYDROELECTRIC POWER STATION

RUAN Quan-rong; SHI Wei; SANG Zhi-qiang

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QUESTIONS TO BE CONSIDERED FOR USING 750kV GIL AT LAXIWA HYDROELECTRIC POWER STATION

更新时间：2025-04-26

- QUESTIONS TO BE CONSIDERED FOR USING 750kV GIL AT LAXIWA HYDROELECTRIC POWER STATION
- High VoltageApparatus Issue 4, Pages: 66-69(2003)
- 作者机构：
  
  1. 西安交通大学电气工程学院
  2. 西安交通大学电气工程学院陕西西安710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV734
- Published：2003
- 稿件说明：
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[1]阮全荣,施围,桑志强.750kV GIL在拉西瓦水电站应用需考虑的问题[J].高压电器,2003(04):66-69.

RUAN Quan-rong, SHI Wei, SANG Zhi-qiang. QUESTIONS TO BE CONSIDERED FOR USING 750kV GIL AT LAXIWA HYDROELECTRIC POWER STATION[J]. High voltageapparatus, 2003, (4): 66-69.
[1]阮全荣,施围,桑志强.750kV GIL在拉西瓦水电站应用需考虑的问题[J].高压电器,2003(04):66-69. DOI：

RUAN Quan-rong, SHI Wei, SANG Zhi-qiang. QUESTIONS TO BE CONSIDERED FOR USING 750kV GIL AT LAXIWA HYDROELECTRIC POWER STATION[J]. High voltageapparatus, 2003, (4): 66-69. DOI：

摘要

气体绝缘输电线路（GIL）是高电压、大电流、长距离的电力传输设备

国内外已有近30年的运行经验。它具有电能损耗小、可靠性高、送电容量大、运行维护工作量小、使用寿命（50年）长、对环境无影响等优点。结合拉西瓦水电站的装机容量大、电压等级高、地形复杂、海拔高及高压出线无法采用架空线等特点

对电站出线段采用750kVGIL的必要性和合理性加以介绍

并提出下一阶段设计中应考虑和研究的问题。

Abstract

The GIL is a transmission equipment for the transmission of high voltage and heavy current over long distance.Based on about30years of operation experience

GIL has main advantages

such as low resistive loss

high reliability

large power transmission capacity

low maintenance cost

long life in service（about50years）and no effect on the surroundings

etc..Laxiwa is a hydroelectric power station with special conditions of large generating power capacity

high transmission voltage

complicated landform

high altitude

unable to use overhead line for750kV outgoing line

and so on.This paper describes the rationality for using GIL on the plant

and puts forward the questions that need to be considered on next design stage.

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