配电变压器直流电阻故障测试分析与防范措施

摘要

配电变压器在电力系统中占据极其重要的地位，一旦烧坏或发生故障必然会影响工农业生产和人们的正常生活。可以通过对配电变压器直流电阻故障测试的方式，分析其变化情况，来判断配电变压器是否完好。此外，还可通过比较分析故障状况下的直流电阻值判定实际故障原因，及时排除和修复故障，恢复正常供电，提高供电可靠性。文章以某供电局的一台配变烧损后进行直流电阻测试为例，从测试数据分析，寻找故障原因并提出相应的防范措施，以供参考。%Distribution transformer plays a very important position in power system,once it burns out or fail will defi-nitely affect industrial and agricultural production and people's lives.You can use the distribution transformer DC resistance fault testing method,and analysis of changes,to determine whether the distribution transformers in good condition.In ad-dition,through comparative analysis of DC resistance value under fault conditions to found the actual cause of the failure,e-liminate and repair the failure,to improve the reliability of the power supply.In this article,taking DC resistance testing of a burned out distribution transformation in some power supply bureau as an example,from the test data analysis,find the failure reasons and propose appropriate measures for reference.