If consumption is greater than generation, then frequency decreases and it becomes necessary to compensate it.

假如消耗的电能大于产生的，那么频率就会降低并且有必要补充电能。

youdao

If consumption is greater than generation, then frequency decreases and it becomes necessary to compensate it.

假如消耗的电能大于产生的，那么频率就会降低并且有必要补充电能。

youdao