general-purpose transformer

例句：

1. 1. The new model of the electric vehicle has a larger battery capacity and can be used as a general-purpose transformer.
   这款新型电动汽车的电池容量更大，可以作为通用变压器使用。
2. 2. The transformer is designed to convert AC power into DC power for use in various applications.
   这种变压器设计用来将交流电转换为直流电，以供各种应用使用。
3. 3. The transformer was installed in the electrical system to improve efficiency and reduce energy consumption.
   这个变压器被安装在电力系统中，以提高效率并减少能源消耗。