Experimental Comparative Study of the Temperature Rise Performance of Dry Air,N<sub>2</sub> and SF<sub>6</sub> Gas-insulated RMU

LAN Jian; FENG Ying; LI Xiangyang; WANG Chengyu; LI Huaqiang

doi:10.13296/j.1001-1609.hva.2019.01.011

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Experimental Comparative Study of the Temperature Rise Performance of Dry Air,N₂ and SF₆ Gas-insulated RMU

更新时间：2025-04-26

- Experimental Comparative Study of the Temperature Rise Performance of Dry Air,N₂ and SF₆ Gas-insulated RMU
- High VoltageApparatus Vol. 55, Issue 1, Pages: 64-71(2019)
- 作者机构：
  
  1. 中国电力科学研究院有限公司
  2. 中能国研(北京)电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.01.011
  CLC： TM643
- Published：2019
- 稿件说明：
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[1]兰剑,冯英,李向阳,王承玉,李化强.干燥空气、N_2和SF_63种气体绝缘环网柜温升性能的试验对比研究[J].高压电器,2019,55(01):64-71.

LAN Jian, FENG Ying, LI Xiangyang, et al. Experimental Comparative Study of the Temperature Rise Performance of Dry Air,N₂ and SF₆ Gas-insulated RMU[J]. High voltageapparatus, 2019, 55(1): 64-71.
[1]兰剑,冯英,李向阳,王承玉,李化强.干燥空气、N_2和SF_63种气体绝缘环网柜温升性能的试验对比研究[J].高压电器,2019,55(01):64-71. DOI： 10.13296/j.1001-1609.hva.2019.01.011.

LAN Jian, FENG Ying, LI Xiangyang, et al. Experimental Comparative Study of the Temperature Rise Performance of Dry Air,N₂ and SF₆ Gas-insulated RMU[J]. High voltageapparatus, 2019, 55(1): 64-71. DOI： 10.13296/j.1001-1609.hva.2019.01.011.

摘要

文中对气体绝缘环网柜分别在不同充气压力下充入干燥空气、N

以及SF

3种气体进行温升性能的试验对比研究。研究表明

采用干燥空气或N

作为绝缘介质

其温升要明显高于SF

并且温升相差值在各气压下基本一致

分别高出5～12 K和5～10 K

差值较大的部位主要集中在固体绝缘包覆元件的固定联结处。同种气体绝缘环网柜在不同气压下

温升随充气压力的增大而降低

对于干燥空气或N

绝缘环网柜

在微正压范围内

温升值随压力的升高仅有5%的降低

没有充SF

降低的显著。研究结果对干燥空气或N

绝缘环网柜的设计、试验以及运行提供了参考和依据。

Abstract

A series of study of the temperature rise performance comparison tests of gas-insulated RMU filling dryair

and SF

respectively under different gas pressures has been carried out. It has been found that the temperaturerise of RMU using dry air or N

as insulating medium is 5～12 K or 5～10 K higher than that of using SF

respectively

and highest points focus on solid insulation embedded component fixed connections and the temperature rise differ-ence value is nearly consistent under different gas pressures. If RMU filling the same insulat

ing gas under differentpressures

the temperature rise drops down by increasing of the gas pressure. The temperature rise of dry air or N

gas-insulated RMU has only 5% reduction within scopes of micro-positive pressures

which is not significant comparedwith SF

gas-insulated RMU. Research results provide references to guide the design

test and operation of dry air or N

gas-insulated RMU.

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Experimental Comparative Study of the Temperature Rise Performance of Dry Air,N2 and SF6 Gas-insulated RMU

DOI：10.13296/j.1001-1609.hva.2019.01.011

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Abstract

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Keywords

references

Experimental Comparative Study of the Temperature Rise Performance of Dry Air,N₂ and SF₆ Gas-insulated RMU