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Several Problems on Air Gaps Flashover Characteristics Tests for EHV/UHV Transmission Lines
Author(s): 
Pages: 2674-2678
Year: Issue:  11
Journal: High Voltage Engineering

Abstract: 为了获得超/特高压线路杆塔间隙在各种影响因素下的闪络特性,满足线路绝缘配合需要,提高线路运行的安全性和经济性,依据超/特高压线路空气间隙电气特性试验结果,分析了冲击电压极性、间隙电极结构、杆塔宽度、导线结构、"邻近效应"等因素对空气间隙放电电压的影响,以及操作冲击放电特有的性能.结果表明杆塔宽度、导线结构、接地体"邻近效应"对闪络电压影响明显,如杆塔宽度增大,相等间隙距离冲击闪络电压降低,且随着间...
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