220kV变压器铁心多点接地检修探析

220 kV Transformer Core Multi-point Grounding Overhaul Analysis

变压器是电力系统中较为重要的组成部分之一,它的运行稳定直接关系到系统的正常运行。然而,由于受各种因素的影响,变压器投运后经常会出现铁心多点接地问题,在一定程度上影响了变压器运行的可靠性。基于此,对220 kV变压器铁心多点接地的危害及其原因进行了分析,并在此基础上提出了诊断方法和处理措施,以期为变压器的检修提供帮助。

Transformer is one of the power system is more important part of its stable operation is directly related to the normal operation of the system. However, due to various factors, often occur after the core issue multi-point grounding transformer into operation, to a certain extent, affected the reliability of transformer operation. Based on this, on the 220 kV transformer core multi-point grounding hazards and their causes are analyzed and presented on the basis of diagnostic methods and treatment measures in order to help repair the transformer.