LFP系列变压器差动保护用电流互感器断线原理

Principle Analysis of Current Transformer Disconnection of Transformer Differential Protection on LFP Series Products

介绍了南京南瑞继保电气有限公司生产的LFP系列变压器差动保护用电流互感器断线闭锁保护的原理。对其原理进行了分析,并提出了现场运行应采取的措施。

The transformer differential protection on LFP series producted by Nanjing NARI relay electric company has been running for many years in the power system, but its principle of avoiding misjudgment current transformer disconnection closedown protection have limitation.