Charging

3. Charging from AC power grid

3.2. Charging from three-phase ac power grid

• Charging from standard household sockets or charging stands
• Parameters in ČR: 3x 400 V, 50 Hz, 16 A, alternatively 32 A in industrial plants
  
• Power:
• a) $P = 3 U I \cos\phi = 3 \cdot 230 \cdot 16 \cdot 0.9 = 10 \space kW$
  
• b) $P = 3 U I \cos\phi = 3 \cdot 230 \cdot 32 \cdot 0.9 = 20 \space kW$

• The on-board charger converts ac voltage and current of the household socket to the dc voltage and current of the battery.
  
• At the same time, the BMS communicates with the charger.

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