| SF6沿面绝缘的工程计算 |
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| 引用本文： | 贾志杰.SF6沿面绝缘的工程计算[J].高压电器,2011,47(10):48-52. |
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| 作者姓名： | 贾志杰 |
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| 作者单位： | 四川电力科学研究院,成都,610072 |
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| 摘 要： | 随着采用SF6绝缘的高压输变电装置在工程中的广泛应用,如GIS和GIL,其内部支撑绝缘子的介电性能成了维持设备安全稳定运行的重要因素.文中建立了锥板电极系统来模拟GIS/GIL中同轴圆柱结构的电场分布,并选择一个考虑了7种影响因素的SF6沿面闪络电压的计算公式,对环氧树脂绝缘子进行了直流下不同SF6气压中沿面绝缘的工程...
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| 关 键 词： | 环氧树脂绝缘子 工程计算 表面粗糙度 闪络电压 表面电荷积聚 |
Engineering Calculation of Surface Insulation in SF6 Gas |
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| JIA Zhi-jie.Engineering Calculation of Surface Insulation in SF6 Gas[J].High Voltage Apparatus,2011,47(10):48-52. |
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| Authors: | JIA Zhi-jie |
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| Affiliation: | JIA Zhi-jie(Sichuan Electric Power Research Institute,Chengdu 610072,China) |
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| Abstract: | In the SF6 insulated high voltage power transmission and transformation apparatuses,such as GIS and GIL,the dielectric strength of interior supporting insulators is an important factor for equipments' safe and stable operation.In this paper,a cone-plate electrode assembly is built to simulate the electric field distribution of coaxial cylindrical structure inside the GIS/GIL,and a formula with seven influencing factors is chosen for calculation of flashover voltage in SF6.Then some epoxy resin insulators ar... |
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| Keywords: | epoxy resin insulator engineering calculation surface roughness flashover voltage surface charge accumulation |
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