Suzhou Electric Appliance Research Institute
期刊號(hào): CN32-1800/TM| ISSN1007-3175

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C4F7N/CO2混合氣體熄弧特性試驗(yàn)研究

來源:電工電氣發(fā)布時(shí)間:2020-02-26 14:26 瀏覽次數(shù):1133
C4F7N/CO2混合氣體熄弧特性試驗(yàn)研究
 
王佳田,林莘,張佳,庚振新,徐建源,劉鵬飛,王強(qiáng)
(沈陽工業(yè)大學(xué) 電氣工程學(xué)院,遼寧 沈陽 110870)
 
摘 要:為研究全氟異丁腈(C4F7N)與二氧化碳(CO2)混合氣體的熄弧特性,利用LC振蕩回路搭建電弧試驗(yàn)平臺(tái),對(duì)六氟化硫(SF6)、5%C4F7N/95%CO2以及9%C4F7N/91%CO2混合氣體在0.6、0.8 MPa下進(jìn)行20 kA短路電流開斷試驗(yàn),利用測(cè)量得到的電弧電壓、電弧電流,計(jì)算電弧電導(dǎo),進(jìn)而研究C4F7N/CO2混合氣體的熄弧性能。研究結(jié)果表明,隨著C4F7N含量的增加,電弧電壓熄弧峰值以及電弧電導(dǎo)與SF6氣體逐漸接近,表現(xiàn)出優(yōu)良的滅弧性能。
關(guān)鍵詞:C4F7N/CO2混合氣體;電弧試驗(yàn);熄弧性能
中圖分類號(hào):TM501+.2 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2020)02-0046-05
 
Experimental Study on Arc Extinguishing Characteristics of C4F7N/CO2 Mixed Gas
 
WANG Jia-tian, LIN Xin, ZHANG Jia, GENG Zhen-xin, XU Jian-yuan, LIU Peng-fei, WANG Qiang
(School of Electrical Engineering, Shenyang University of Technology, Shenyang 11 0870, China)
 
    Abstract: In order to study the arc-extinguishing characteristics of C4F7N and CO2 mixed gas, the arc test platform was built by LC oscillation circuit, and 20 kA short circuit current breaking tests were carried out with SF6, 5%C4F7N/95%CO2 and 9%C4F7N/91%CO2 mixed gas at 0.6 MPa and 0.8 MPa. The measured arc voltage and arc current were used to calculate the arc conductance, so as to study on the arc-extinguishing performance of C4F7N/CO2 mixed gas. The results show that with the increase of C4F7N content, the arc voltage quenching peak and arc conductance are close to those in the SF6 gas, showing a strong arc-extinguishing ability.
    Key words: C4F7N/CO2 mixture gas; arcing experiment; arc extinguishing performance
 
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