Investigation on the Dielectric Properties of Hot CO<sub>2</sub> and CO<sub>2</sub>-based Gas Mixtures Based on the Boltzmann Equation Analysis

ZHANG Hantian; SUN Hao; YANG Fei; WU Yi; NIU Chunping; RONG Mingzhe; LI Tianwei

doi:10.13296/j.1001-1609.hva.2017.04.001

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Investigation on the Dielectric Properties of Hot CO₂ and CO₂-based Gas Mixtures Based on the Boltzmann Equation Analysis

更新时间：2025-04-26

- Investigation on the Dielectric Properties of Hot CO₂ and CO₂-based Gas Mixtures Based on the Boltzmann Equation Analysis
- High VoltageApparatus Vol. 53, Issue 4, Pages: 1-4+12(2017)
- 作者机构：
  
  1. 西安交通大学电力设备电气绝缘国家重点实验室
  2. 南方电网科学研究院有限责任公司直流输电技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.04.001
  CLC： TM21
- Published：2017
- 稿件说明：
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[1]张含天,孙昊,杨飞,吴翊,纽春萍,荣命哲,厉天威.基于Boltzmann方程的高温CO_2及其混合气体绝缘特性研究[J].高压电器,2017,53(04):1-4+12.

ZHANG Hantian, SUN Hao, YANG Fei, et al. Investigation on the Dielectric Properties of Hot CO₂ and CO₂-based Gas Mixtures Based on the Boltzmann Equation Analysis[J]. High voltageapparatus, 2017, 53(4): 1-4+12.
[1]张含天,孙昊,杨飞,吴翊,纽春萍,荣命哲,厉天威.基于Boltzmann方程的高温CO_2及其混合气体绝缘特性研究[J].高压电器,2017,53(04):1-4+12. DOI： 10.13296/j.1001-1609.hva.2017.04.001.

ZHANG Hantian, SUN Hao, YANG Fei, et al. Investigation on the Dielectric Properties of Hot CO₂ and CO₂-based Gas Mixtures Based on the Boltzmann Equation Analysis[J]. High voltageapparatus, 2017, 53(4): 1-4+12. DOI： 10.13296/j.1001-1609.hva.2017.04.001.

摘要

是高压断路器中常用SF6的一种极具潜力的替代气体。文中分别计算了CO

、CO

-O

、CO

-N2、CO

-CH

和CO

-H

等混合气体在不同混合比例、压力和温度（300

000 K）下的临界击穿强度（E/N）cr。通过Gibbs最小自由能方法

计算了气体组分

挑选混合气体中的主要粒子。以计算出的粒子组分为输入参数

通过二阶近似的Boltzmann方程

获得不同条件下CO

及其混合气体的临界击穿强度。计算结果表明

-O

、CO

-CH

和CO

-H

会提升CO

的临界击穿强度。文中获得了高温条件下CO

及其混合气体的绝缘特性基础数据

为寻找SF6替代气体提供了理论依据。

Abstract

is a potential alternative for SF

in the high voltage circuit breaker. In this paper

the critical reduced electric field strength（E/N）crof CO

-O

-N

-CH

and CO

-H

at different mixing ratios

pressures and temperatures（300

000 K） have been calculated. The species co

mposition of CO

gas mixtures was calculated based on the Gibbs free energy minimizing to pick out the main species. Then the（E/N）crof CO

gas mixtures at different conditions were derived by solving the two term approximation of Boltzmann equation. The results indicate that the（E/N）crof CO

-O

-H

and CO

-CH

are higher than that of other mixture gases. The fundamental data of the insulation properties of CO

and its mixtures under high temperature are obtained

which provides a theoretical basis for the search of substitute gases for SF

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⁰

Investigation on the Dielectric Properties of Hot CO2 and CO2-based Gas Mixtures Based on the Boltzmann Equation Analysis

DOI：10.13296/j.1001-1609.hva.2017.04.001

摘要

Abstract

关键词

Keywords

references

Investigation on the Dielectric Properties of Hot CO₂ and CO₂-based Gas Mixtures Based on the Boltzmann Equation Analysis