110kV分级绝缘变压器中性点保护间隙的配置  

Protective gap configuration of neutral point for 110 kV graded insulation transformer

作　　者：张振旗 黄培专 

机构地区：[1]珠海电力工业局,广东珠海519000

出　　处：《广东电力》2001年第6期60-62,共3页Guangdong Electric Power

摘　　要：对 110kV分级绝缘变压器中性点保护间隙配置进行了分析 ,认为低压侧无地方电源介入的 110kV变电所内的主变压器中性点不应加装棒间隙。针对已运行的不同型式的中性点避雷器 ,依据零序电抗与正序电抗的实际比值 。Based on the configuration analysis of neutral point for 110 kV graded insulation transformer, this paper suggested that protective gap should not be installed at neutral point of 110 kV transformer where no power plant is available at low voltage coils. According to different existing run time X 0/X 1 values,neutral point and surge arrester have been tested to be matched.

关 键 词：100kV分级绝缘变压器 中性点保护间隙 避雷器 

分 类 号：TM415[电气工程—电器] TM862