| 摘要 |
Disclosed is a charging and billing system for an electric vehicle, which perform optimal charging and billing in consideration of all the matters related to the charging of the electric vehicle such as the quality of charging according to the supply state of charging power and a fee calculated differently according to the time used for charging, the amount of charged electricity and the like. The present invention has a function of detecting the maximum amount of electricity, setting the amount of charged electricity according to a detected value, and setting charging conditions such as regional electric-power situations and a reserve margin for each time, each user, each region and an electric power company, and performs optimal charging and billing according to the charging conditions such as the use time, the amount of charged electricity, the charging starting time, a temporary stop in charging, and the charging restarting time while continuously managing the maximum amount of charged electricity, a voltage/current change point, information on the connection of an electricity supply unit and a charging device, the fee according to the use time, and fee information according to the amount of charged electricity. |
