In addition, the output frequency of a motorgeneratorset shall not vary by more than 5% when operated at rated output voltage and current.
另外,当发电机以额定电压啊,电流运行时,其出力(输出功率)频率允许在上下5%内跳动。
2
If one set stops and reverse power protection is not provided, the set still running will drive the set that has stopped. The generator on the set that has stopped will act as a motor.