transformer tuning capacitor

例句：

1. 1.The transformer is responsible for converting alternating current to direct current.
   变压器负责将交流电转换为直流电。
2. 2. The transformer was designed to improve the efficiency of the power system.
   变压器被设计用来提高电力系统的效率。
3. 3. The transformer is used in many different applications, including power transmission and distribution.
   变压器在许多不同的应用中都有使用，包括电力传输和分配。