文档介绍：测试工具
400kVA 配电变压器出口短路故障分析
杨斌
( 国网江苏省电力有限公司检修分公司，江苏南京，210000)
摘要 ：配电变压器是配电网的关键装置，但其运行期间易受到短路电流的干扰，由此引发低压出口短路等故障，严重危
害设备的稳定性，甚至诱发安全事故。对此，文章以 400 kVA 配电变压器为基本对象，围绕其出口短路故障展开分析，以
供参考。
关键词 ：400kVA；配电变压器；出口短路；故障分析
Analysis on outlet short circuit fault of 400KVA distribution transformer
Yang Bin
(Jiangsu Electric Power Maintenance Branch Company, Nanjing Jiangsu, 210000)
Abstract: Distribution transformer is the key device of distribution network, but it is easy to be
disturbed by short-circuit current during its operation, which leads to low-voltage outlet short-
circuit and other faults, seriously endangers the stability of equipment, and even induces safety
accidents. In this regard, this paper takes the 400 KVA distribution transformer as the basic object,
analyzes its outlet short circuit fault for reference.
Keywords: 400KVA; distribution transformer; outlet short circuit; fault analysis
1 案例概述