synchronous transformer

例句：

1. 1. The synchronous transformer isused to convert AC power into DC powerfor distribution.
   同步变压器用于将交流电转换为直流电以供分配。
2. 2. The synchronoustransformer is a critical component in thepower system.
   同步变压器是电力系统中的关键组件。
3. 3.The synchronous transformer was designed toimprove the efficiency of the power transmission line.
   同步变压器的设计旨在提高输电线路的效率。