大型电力变压器绕组直流电阻测试装置的研究与应用  

Research and application of DC resistance testing device for large power transformer windings

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作  者:史纯清 Shi Chunqing(Duyun Power Supply Burea, Duyun 558000 Guizhou, chin)

机构地区:[1]都匀供电局,贵州都匀558000

出  处:《贵州电力技术》2017年第6期77-79,共3页Guizhou Electric Power Technology

摘  要:通过对变压器三角形绕组直流电阻测试时间长,而且不能保证测试准确性的现状进行了分析。研究一种可用于变压器三角形绕组直流电阻的快速测试装置,通过切换装置的自动切换,进行三角形绕组的快速测试。及时准确查找出变压器三角形绕组内部的焊接质量,接头松动,接触不良等诸多缺陷,对保证变压器安全运行起到重要作用。According to the analysis of the current situation, that DC resistance test of transformer triangle winding is too long and the accuracy of test is not guaranteed, a fast test device for DC resistance of transformer triangle winding is studied, Relying on automatic switchover of switching device, it took fast tests on triangular winding and found out many defects, such as the welding quality, connectors fastening and poor contact etc. , in transformer triangular winding timely and accurately, which plays an important role in ensuring the safe operation of the transformer.

关 键 词:变压器 直流电阻 测试 助磁 

分 类 号:TM41[电气工程—电器]

 

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