SYSTEM AND METHOD FOR CHARGING ELECTRIC VEHICLE

摘要

PURPOSE: An electric car charging system and an electric car charging method thereof are provided to improve the efficiency of operation by providing a communication protocol. CONSTITUTION: One or more chargers (10) supply electricity to an electric car. A charger management server (5) controls the operation of the charger. The charger management server manages the information of the charger. A communication server (100) communicates with the charger management server by using a first communication protocol. The communication server communicates with the charger by using a second communication protocol. [Reference numerals] (10) Charger; (110) Proximity wireless communication unit; (120) Signal processing unit; (130) Communication unit; (140) Control unit; (5) Charger management server; (8) Power grid; (9) Payment server; (AA) Second communication protocol; (BB) First communication protocol