Patent ID: 9573479
Date: 2017-02-21
CPC Classifications: B60L,H02J,Y02E,Y02T,Y04S

Claim:
1. A battery exchange station connected to an electric power system, the station comprising: a plurality of batteries including a large-capacity battery used only for electric power storage and a replacement battery that is interchangeable with a battery of a vehicle; and a controller programmed to control charging and discharging of the batteries, including controlling the station to charge the batteries with electricity supplied from the system and controlling the station to discharge the electricity stored in the batteries to the system based on an operation status of the system; and wherein, after determining the operation status of the system, the controller supplies the electricity stored in the batteries to the system if the system is operating at peak time during which the load power consumption of the system is at its peak, and supplies the electricity from the system to the batteries if the system is operating at off-peak time, wherein the peak time is set by dividing the time spent by the system on consuming the load power into several periods and specifying and period during which the load power consumption of the system is at its peak.