homopolar alternator

例句：

1. 1. The homopolar alternator is crucial for the operation of the power system.
   同极交流发电机对于电力系统的操作至关重要。
2. 2. The design of the homopolar alternator has been optimized to improve efficiency.
   同极交流发电机的设计已经优化以提高效率。
3. 3. The homopolar alternator is used in various industrial applications to generate electricity.
   同极交流发电机被用于各种工业应用中，以生成电力。