How big is the three-phase generator in a 40-room hotel?

According to two air conditioners in a room, the heating power is about 3.5kw, 3.5*40= 140kw.

The power of lamps and kettles in the room is about 1.7kw (kettle power is calculated as 1.5kw), 1.7*40=68kw.

The elevator power is about 15~20kw.

The power of fans, lighting, stoves, etc. In the kitchen, it may vary greatly due to different equipment, so it is temporarily considered as 10kw.

The above total power is 233kw.

Considering the lighting of corridor, front desk and other auxiliary facilities, 250kw generator should be selected.

Considering the service factor, a 200kw generator can also be selected.