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Study on the Switching Waveform of the Loaded Tap Changer of the Transformer
Pages: 56-58,61
Year: Issue:  6
Journal: Electric Switcher

Abstract: 波形测试在一定情况下是检查有载分接开关功能的有效方法.触头间的油膜和闭合时触头弹跳会干扰测试结果.微弱的直流电压和由测试电流引起的外施电压降不能击穿油膜,更不会由电弧桥接弹跳缝隙.介绍了有载分接开关切换波形测试原理、方法,指出了匹配电阻、油膜以及触头弹跳对测试波形的影响,提出了正确解读带干扰测试波形的方法.
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