Insulation Performance of C5F10O/CO2 Gas Mixture

被引：0

作者：

Wang X. ^{[1
]}

Fu X. ^{[1
]}

Han G. ^{[2
]}

Lu Y. ^{[2
]}

Li X. ^{[2
]}

Gao Q. ^{[1
]}

Rong M. ^{[1
]}

机构：

[1] State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an

[2] Pinggao Group Co., Ltd., Pingdingshan

来源：

Gaodianya Jishu/High Voltage Engineering | 2017年 / 43卷 / 03期

关键词：

AC breakdown; C[!sub]5[!/sub]F[!sub]10[!/sub]O/CO[!sub]2[!/sub] gas mixture; Insulating performance; Lightning impulse; SF[!sub]6[!/sub] alternative gases;

D O I：

10.13336/j.1003-6520.hve.20170303004

中图分类号：

学科分类号：

摘要：

SF6 has been widely used in electrical industry due to its excellent electrical capabilities. However, as for the extremely high GWP of SF6, researchers have done a lot of investigations on SF6 alternative gases during the last few decades. Unfortunately, all the methods have their own drawbacks and limitations and can not be applied in practical engineerings. In this paper, C5F10O/CO2 gas mixtures, with the partial pressure of C5F10O to be 20kPa and 40kPa, and the total pressure varying from 0.1MPa to 0.5MPa, were studied as the main object, while SF6 gas was used as a control. By the study of the AC and lightning impulse performance, the possibility of this gas mixture to replace SF6 was discussed. The results show that the AC breakdown voltage of 0.2MPa C5F10O/CO2 gas mixtures with the partial pressure of C5F10O to be 20kPa and 40kPa are about 61.89% and 81.99% of SF6 at the same pressure, respectively. The LI 50% breakdown voltage of 0.5MPa C5F10O/CO2 gas mixtures with the partial pressure of C5F10O to be 40kPa is about 88.9%(+) and 89.9%(-) of SF6 at 0.3MPa. Thus, by increasing the content of C5F10O or the total pressure of the gas mixtures, the insulating performance of the gas mixtures can be effectively improved, of which the former is more effective. © 2017, High Voltage Engineering Editorial Department of CEPRI. All right reserved.

引用

页码：715 / 720

页数：5

共 22 条

[1] Solomon S., Qin D., Manning M., Et al., Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Climate Change 2007: the Physical Science Basis, Summary for Policymakers, pp. 159-254, (2007)
[2] Christophorou L.G., Olthoff J.K., Green D.S., Gases for electrical insulation and arc interruption: possible present and future alternatives to pure SF6, (1997)
[3] Rokunohe T., Yagihashi Y., Endo F., Et al., Fundamental insulation characteristics of air
[4] N2, CO2, N2/O2, and SF6/N2, mixed gases, Electrical Engineering in Japan, 155, 3, pp. 9-17, (2006)
[5] Wada J., Ueta G., Okabe S., Evaluation of breakdown characteristics of CO2 gas for non-standard lightning impulse waveforms- breakdown characteristics under double-frequency oscillation waveforms and single-frequency oscillation waveforms in the presence of bias voltage, IEEE Transactions on Dielectrics & Electrical Insulation, 19, pp. 1799-1809, (2012)
[6] Meijer S., Smit J.J., Girodet A., Comparison of the breakdown strength of N2, CO2 and SF6 using the extended Up-and-down method, International Conference on Properties and Applications of Dielectric Materials, pp. 653-656, (2006)
[7] Okabe S., Wada J., Ueta G., Dielectric properties of gas mixtures with C3F8/C2F6 and N2/CO2, IEEE Transactions on Dielectrics & Electrical Insulation, 22, 4, pp. 2108-2116, (2015)
[8] Yamamoto O., Takuma T., Hamada S., Et al., Applying a gas mixture containing c-C4F8 as an insulation medium, IEEE Transactions on Dielectrics & Electrical Insulation, 8, 6, pp. 1075-1081, (2002)
[9] Widger P., Haddad A., Griffiths H., Breakdown performance of vacuum circuit breakers using alternative CF3I-CO2, insulation gas mixture, IEEE Transactions on Dielectrics & Electrical Insulation, 23, 1, pp. 14-21, (2016)
[10] Zhang X., Xiao S., Zhou J., Et al., Experimental analysis of the feasibility of CF3I/CO2, substituting SF6, as insulation medium using needle-plate electrodes, IEEE Transactions on Dielectrics & Electrical Insulation, 21, 4, pp. 1895-1900, (2014)

← 1 2 3 →