Measurement and Analysis of Temperature Distribution of UHV GIL Expansion Joints

LIU Yunpeng; FEI Ye; CHEN Jiangbo; MAO Anlan; SHAO Minfeng; YIN Jing

doi:10.13296/j.1001-1609.hva.2020.12.001

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Measurement and Analysis of Temperature Distribution of UHV GIL Expansion Joints

更新时间：2025-04-26

- Measurement and Analysis of Temperature Distribution of UHV GIL Expansion Joints
- High VoltageApparatus Vol. 56, Issue 12, Pages: 1-6(2020)
- 作者机构：
  
  1. 华北电力大学
  2. 中国电力科学研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.12.001
  CLC： TM75
- Published：2020
- 稿件说明：
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[1]刘云鹏,费烨,陈江波,毛安澜,邵苠峰,尹晶.特高压GIL伸缩节温度分布的测量与分析[J].高压电器,2020,56(12):1-6.

LIU Yunpeng, FEI Ye, CHEN Jiangbo, et al. Measurement and Analysis of Temperature Distribution of UHV GIL Expansion Joints[J]. High voltageapparatus, 2020, 56(12): 1-6.
[1]刘云鹏,费烨,陈江波,毛安澜,邵苠峰,尹晶.特高压GIL伸缩节温度分布的测量与分析[J].高压电器,2020,56(12):1-6. DOI： 10.13296/j.1001-1609.hva.2020.12.001.

LIU Yunpeng, FEI Ye, CHEN Jiangbo, et al. Measurement and Analysis of Temperature Distribution of UHV GIL Expansion Joints[J]. High voltageapparatus, 2020, 56(12): 1-6. DOI： 10.13296/j.1001-1609.hva.2020.12.001.

摘要

温升特性是特高压GIL结构设计的重要一环

型式试验发现特高压GIL伸缩节的温度要明显高于其他单元位置

且呈现各方向、各部位温升不一致的情形

在阳光辐射条件下可能会超过标准要求

为保证苏通GIL综合管廊GIL安全可靠运行

开展了特高压GIL伸缩节温度分布的测量

对比分析了型式试验和现场运行条件下温升差异和分布不一致的原因

找到了伸缩节发热最高部位点

提出了相应运维措施建议

防止伸缩节局部温度超过标准要求

结果表明在苏通工程投运后能够对GIL安全可靠运行提供一定帮助。

Abstract

The temperature rise characteristic is an important part of the design of UHV GIL structure.The type test shows that the temperature of the UHV GIL expansion joint is significantly higher than that of other unit positions

and the temperature rise in each direction and each part is inconsistent under the conditions of sunlight radiation.It may exceed the standard requirements.In order to ensure the safe and reliable operation of the GIL of the Sutong GIL integrated pipe gallery

the temperature distribution of the UHV GIL expansion joint is measured

and the reasons for the difference in temperature rise and the inconsistent distribution under the type test and on-site operating conditions are compared and analyzed.The highest point of the expansion joint is found

and the corresponding operation and maintenance measures are proposed to prevent the local temperature of the expansion joint from exceeding the standard requirements.The results show that the Sutong project can provide a certain help for the safe and reliable operation of the GIL.

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