Study on Cooling Performances of c-C4F8 and Its Mixtures with N2 in GIL Model

LI Kang; GUO Runrui; Hassan Javed; ZHANG Guoqiang

doi:10.13296/j.1001-1609.hva.2016.12.015

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Study on Cooling Performances of c-C₄F₈ and Its Mixtures with N₂ in GIL Model

更新时间：2025-04-26

- Study on Cooling Performances of c-C₄F₈ and Its Mixtures with N₂ in GIL Model
- High VoltageApparatus Vol. 52, Issue 12, Pages: 99-103(2016)
- 作者机构：
  
  1. 中国科学院电工研究所
  2. 中国科学院大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.12.015
  CLC： TM21
- Published：2016
- 稿件说明：
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[1]李康,郭润睿,Hassan Javed,张国强.c-C_4F_8及其与N_2混合气体传热性能研究[J].高压电器,2016,52(12):99-103.

LI Kang, GUO Runrui, Hassan Javed, et al. Study on Cooling Performances of c-C₄F₈ and Its Mixtures with N₂ in GIL Model[J]. High voltageapparatus, 2016, 52(12): 99-103.
[1]李康,郭润睿,Hassan Javed,张国强.c-C_4F_8及其与N_2混合气体传热性能研究[J].高压电器,2016,52(12):99-103. DOI： 10.13296/j.1001-1609.hva.2016.12.015.

LI Kang, GUO Runrui, Hassan Javed, et al. Study on Cooling Performances of c-C₄F₈ and Its Mixtures with N₂ in GIL Model[J]. High voltageapparatus, 2016, 52(12): 99-103. DOI： 10.13296/j.1001-1609.hva.2016.12.015.

摘要

氟碳气体c-C

温室效应小

耐电强度高

是一种良好的SF

替代气体。使用氟碳气体与N

的混合气体作为绝缘介质的气体绝缘开关

将成为一类新型的环境友好的设备。文中以管道输电模型为研究平台

通过散热分析结合实验测量的方法研究了0.1、0.25 MPa两种气压下氟碳气体、20%氟碳气体与80%N

混合气体的散热性能并与N

、SF

散热性能进行比较。结果显示对于同一气体介质气压升高

气体综合传热系数增大

传热性能变好;对于不同的气体介质

气体综合传热系数大小排序有:SF

≈c-C

>c-C

但在管道输电模型下不同气体综合传热系数的差别对传热总量的影响较小

因而可认为这几种气体的传热性能相差不大。

Abstract

Owing to its low global warming potential（GWP）and high dielectric performance

fluorocarbon gas cC

is a potential substitute for SF

. Gas insulated switchgear filled with c-C

gas mixture will become a new type of environmentally-friendly equipment. With a combination of heat transfer analysis and experimental measurement

the cooling performances of fluorocarbon gas and its mixture with N

at pres

sures of 0.1 MPa and0.25 MPa has been studied using a gas-insulated transmission line（GIL）and the results are compared with those of N

and SF

gas. Results show that the equivalent heat transfer coefficient of the same gas increases with pressure while for different gases we have SF

≈c-C

>c-C

. However

the effect of heat transfer coefficient is nonsignificant to the overall rate of heat loss. The cooling performance of the above mentioned gases is similar.

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