Electric Vehicle Battery System

On-Board Charger (OBC) Description and Operation

~1min read

Description

In normal charging, the battery is charged through the On-Board Charger (OBC) from an external 220 V power source.
The On-Board Charger (OBC) is a device that charges the battery voltage of an electric vehicle using a 110 ~ 220 V AC power supply. Its maximum output is 6.6 kW, and its efficiency is approximately 91%.
Main Function
Item Contents
Inspection Input Current Power Factor Control To comply with AC power standards
Protection Limit Maximum Output
  • When OBC maximum capacity is exceeded
  • When OBC limit temperature is exceeded
Troubleshooting Detect OBC Malfunction
Cooperative
Control
Cooperative Drive Control Cooperative control with other systems during charging pre-planning / air conditioning

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