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Protective gap configuration of neutral point for 110 kV graded insulation transformer
Author(s): 
Pages: 60-62
Year: Issue:  6
Journal: GUANGDONG ELECTRIC POWER

Keyword:  110 kV分级绝缘变压器中性点保护间隙避雷器;
Abstract: 对110 kV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110 kV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,进行了配合校验.
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