针对整流变压器冷却系统运行存在的油温偏高问题，介绍了整流变压器冷却系统改造方案。
The problem of higher oil temperater for the cooling system of the rectifier transformer, the transform plan of the cooling system of the rectifier transforner is presented.
对运行中的大容量油浸自冷变压器异常温升情况进行了分析，提出了其冷却系统设计存在的问题及优化方案。
The abnormal temperature rise of a large oil-immersed self-cooling transformer in operation is analyzed. The problems and optimization program in its cooling system design are presented.
通过变压器新旧风冷却器性能的对比，对老式风冷却系统改造的设计方案、改造效果进行了探讨。
By contrast of the new forced-air cooler in transformers to the old one, the design and effect of improvement of the old forced-air cooling system are discussed.
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