CRH3型动车组主变压器M1修检修探讨

On the Overhaul of the Main Voltage Transformer (M1) of CRH3 Bullet Train

CRH3型动车组是我国为建高速客运专线向德国西门子引进技术开发出来早期主力车型。因技术新,国内无检修经验,目前存在检修无标准、检修困难等短板。CRH3主变压器,作为动车组的电力来源,基能否可靠运行,给列车提供电力显得尤为重要,本文分别从检修前准备工作、变压器主体、冷确单位、油箱等方面对CRH3主变压器的检修工作提出检修标准。对CRH3的日常检修工作有着一定的引导作用。

CRH3 Bullet Train is the main type of vehicle developed at the early stage in China tor high-speed passenger lines, whose main technology was introduced from SIEMENS. Due to the updated technology, there is no experience in its overhauling in China. So problems, such as no overhaul standards and technical difficulties in overhauling, exist currently. Whether CRH3 main voltage transformer, as the power source, can run reliably to provide power is particularly important. This thesis brings overhaul standards for the aspects of overhaul preparation, the main body of the transformer, the cooling unit, oil tank, etc. It can provide some guidance for the daily overhaul of CRH3.