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c-C_4F_8/CO_2混合气体的绝缘子沿面闪络性能研究 被引量:3

Research on Insulator Surface Flashover Properties of c-C_4F_8/CO_2 Mixed Gas
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摘要 对c-C_4F_8/CO_2混合气体的绝缘子沿面闪络性能展开研究,得到了在不同气压、不同电压类型下不同混合比例的c-C_4F_8/CO_2的沿面闪络电压,与CO_2和SF_6的沿面闪络电压进行对比,并观测实验后的绝缘子。结果表明:在工频电压和雷电冲击电压下,c-C_4F_8含量和气压是影响c-C_4F_8/CO_2沿面闪络性能的重要因素;在0.10MPa下,c-C_4F_8含量为30%的c-C_4F_8/CO_2的沿面闪络电压为SF_6的80%;在0.30 MPa下,30%含量的c-C_4F_8/CO_2沿面闪络电压约为0.10 MPa下SF_6的1.4倍,但多次实验之后绝缘子出现损坏。 The insulator surface flashover properties of c-C4F8/CO2 mixed gas were studied, and the surface flashover voltage of c-C4F8/CO2 with different mixing ratio under different pressure and different types of voltage was obtained and compared with that of CO2 and SF6. And the insulators after tests were observed. The results show that the content of c-C4F8 and pressure is the important factor influencing the surface flashover voltage of c-C4F8/CO2 under power frequency voltage and lightning impulse voltage. At the pressure of 0.10 MPa, the surface flashover voltage of c-C4F8/CO2 mixed gas with 30% of c-C4F8 is 80% of that of pure SF6. At the pressure of 0.30 MPa, the surface flashover voltage of c-C4F8/CO2 mixed gas with 30% of c-C4F8 is 1.4 times bigger than that of pure SF6. After many experiments,the insulator was damaged.
作者 满林坤 高靖 邓鑫阳 张辉 郑利川 张景旭 操卫康 谢增林 MAN Linkun;GAO Jing;DENG Xinyang;ZHANG Hui;ZHENG Lichuan;ZHANG Jingxu;CAO Weikang;XIE Zenglin(State Grid Liaoning Electric Power Company Limited Economic Research Institute,Shenyang 110015, China;Hangzhou Power Supply Company,State Grid Zhejiang Electric Power Co.,Ltd.,Hangzhou 310000,China;State Grid Shenyang Electric Power Supply Company,Shenyang 110000,China;Suzhou Power Supply Company,State Grid Jiangsu Electric Power Co.,Ltd.,Suzhou 215004,China;Fuzhou Power Supply Company,State grid FuJian Electric Power Company,Fuzhou 350009,China)
出处 《绝缘材料》 CAS 北大核心 2019年第1期22-28,共7页 Insulating Materials
关键词 SF6替代气体 c-C4F8/CO2混合气体 沿面闪络实验 绝缘子 alternative gas of SF6 c-C4F8/CO2 mixed gas surface flashover experiment insulator
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