self-excited alternator

例句：

1. 1. The self-excited alternator is responsible for generating electricity from the wind.
   自激式交流发电机负责从风中产生电力。
2. 2.The self-excited alternator is a crucial component of modern power systems.
   自激式交流发电机是现代电力系统的关键组成部分。
3. 3. The self-excited alternator has been developed to improve efficiency and reduce noise.
   自激式交流发电机已被开发以提高效率并减少噪音。