CHARGING SYSTEM AND CHARGING METHOD OF CHARGING SYSTEM

PROBLEM TO BE SOLVED: To properly control the power during charging secondary batteries in a charging system having a plurality of chargers.SOLUTION: The charging system is provided in each of electric vehicles 161A to 161C. The charging system includes an on-board charger for charging a battery, an...

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Bibliographische Detailangaben
1. Verfasser:	OKUBO NORIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To properly control the power during charging secondary batteries in a charging system having a plurality of chargers.SOLUTION: The charging system is provided in each of electric vehicles 161A to 161C. The charging system includes an on-board charger for charging a battery, and a system controller 10 connected to a vehicle-side controller of each of the electric vehicles 161A to 161C so as to be capable of communicating with them to control the charging operation by the on-board charger. The individual on-board chargers send a maximum charging power value in compliance with the battery to be charged to the system controller. The system controller adds the maximum charging power values received from the individual on-board chargers to calculate a total charging power value. When the total charging power value exceeds a contract power value, the system controller changes the maximum charging power value in each on-board charger so that the total charging power value may be equal to or lower than the contract power value.