How about the alternators?

交流发电机情况怎么样？

The alternators should not unload suddenly.

交流发电机不应突然卸载。

We use diesel oil for prime movers of the alternators.

我们对交流发电机的原动机使用柴油。

How about the alternators? There any problem in parallel operation?

交流发电机情况怎么样？并电有什么问题吗？

Alternators take power from the engine when they produce electricity.

交替发电机从引擎那获得能量，当它们制造电能的时候。