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针对南昆线增压变在实际运行中暴露出来的问题,通过采取加装在线滤油设备、改变主变差动保护回路等措施,有效地解决了绝缘油碳化严重、增压变喷油、主变差动保护误动等技术难题,提高了增压变的运行稳定性,提高了南昆线的运输效率,并取得了明显的经济效益和社会效益。
Aiming at the problems exposed in the practical operation of the pressurization transformer in Nankun Railway, the measures such as installing the on-line oil filter equipment and changing the main transformer differential protection circuit are adopted to effectively solve the problems of serious carbonization of the insulating oil, Main transformer differential protection misoperation and other technical problems, improve the stability of the turbocharger to improve the transport efficiency of the Nankun line, and achieved significant economic and social benefits.