变压器短路损坏原因分析及对策

Analysis and Countermeasures on Transformer Short-Circuit Damage

为了提高变压器的运行可靠性,对2005年以来多起变压器短路损坏事故进行分析。分析结果表明,主变压器抗短路能力不强、历次短路冲击的累积效应以及变压器出口设备故障是造成事故频发的主要原因。根据分析结果提出了防止同类故障的管理措施和技术措施。

In order to improve the operation reliability of transformer,accidents of transformer short-circuit damage since 2005 are analyzed. The results show that the lower capability of anti-short circuit of main transform,the cumulative effect of multi short-circuit impacts and the equipment fault at outlet of the transformer are main reasons of frequent accidents. Management and technical measures are proposed to prevent the same type fault.