Influence of Environmental Temperature and Humidity of SF<sub>6</sub> on Insulating Properties of SF<sub>6</sub> Circuit Breaker

LI Bin; SHEN Dong-liang; YANG Jie

doi:10.13296/j.1001-1609.hva.2010.01.004

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Influence of Environmental Temperature and Humidity of SF₆ on Insulating Properties of SF₆ Circuit Breaker

更新时间：2025-04-26

- Influence of Environmental Temperature and Humidity of SF₆ on Insulating Properties of SF₆ Circuit Breaker
- High VoltageApparatus Vol. 46, Issue 1, Pages: 97-98+102(2010)
- 作者机构：
  
  江苏省如高高压电器有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.01.004
  CLC： TM561.3
- Published：2010
- 稿件说明：
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[1]黎斌,沈栋良,杨洁.SF_6的温度与湿度及其对产品绝缘性能的影响[J].高压电器,2010,46(01):97-98+102.

LI Bin, SHEN Dong-liang, YANG Jie. Influence of Environmental Temperature and Humidity of SF₆ on Insulating Properties of SF₆ Circuit Breaker[J]. High voltageapparatus, 2010, 46(1): 97-98+102.
[1]黎斌,沈栋良,杨洁.SF_6的温度与湿度及其对产品绝缘性能的影响[J].高压电器,2010,46(01):97-98+102. DOI： 10.13296/j.1001-1609.hva.2010.01.004.

LI Bin, SHEN Dong-liang, YANG Jie. Influence of Environmental Temperature and Humidity of SF₆ on Insulating Properties of SF₆ Circuit Breaker[J]. High voltageapparatus, 2010, 46(1): 97-98+102. DOI： 10.13296/j.1001-1609.hva.2010.01.004.

摘要

选用三台新组装的LW8-40.5罐式SF6断路器进行试验

研究环境温度与SF6湿度的关系以及对产品绝缘性能的影响

得出

当SF6相对湿度RH值约为30%时

产品耐受高电压能力未发现明显变化;在考虑SF6湿度测量值的近似温度折算方法时

可用适当方式来利用克劳修斯-克拉贝龙方程

按低于30%的某个RH值制定SF6湿度的限值标准

能排除温度的影响

简单可行

便于实施SF6湿度的在线监测。

Abstract

Using three newly assembled LW8-40.5 SF6 tank circuit breakers

the relation between environmental temperature and relative humidity（RH）of SF6

as well as its influence on insulating properties of the breakers was tested.The result indicated that when RH of SF6 was about 30%

the capacity of the breakers to withstand high-voltage did not change significantly.For converting a humidity measurement of SF6 into an approximate temperature value

be take by Clausius-Clapeyron equation could be adopted properly in determining a RH threshold of SF6 less than 30% to get rid of the influence of temperature.This method is simple and feasible for the implementation of on-line monitoring SF6 humidity.

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Influence of Environmental Temperature and Humidity of SF6 on Insulating Properties of SF6 Circuit Breaker

DOI：10.13296/j.1001-1609.hva.2010.01.004

摘要

Abstract

关键词

Keywords

references

Influence of Environmental Temperature and Humidity of SF₆ on Insulating Properties of SF₆ Circuit Breaker