AC and DC charging Prof. Dr. Pavol Bauer, Delft university of Technology Image credits go here
Battery EV charging Direct Current (DC) Electricity grid Alternating Current (AC)
Parts of EV Charger AC DC Isolated Power Converter 1. AC/DC converter Vehicle Charging cable + inlet connector 2. Charging port + cable + connector EV Coupler 3. Battery management system Control & (BMS) + Charge controller Protection Communication /Control Charge BMS Controller
Direct Current (DC) EV charging Alternating Current (AC) Traction Battery bank Charging port + cable + connector On-board charger
On-board charger: AC charging 1.9 - 22 kW On board charger limited in power due to § Size restrictions § Weight restrictions
Off-board charger: DC charging 50 – 350 kW Off-board Charger
AC and DC charging AC charging Off-board Charger DC charging
Charging: Connector Type & Power Level
AC connector types USA - Japan Tesla AC Type 1 Europe Type 3 Type 2 Based on Type 2 China Image courtesy: Phoenix contact (www.phoenixcontact.com), Scame & EV plug alliance, (www.scame.com)
DC connector types Image courtesy: Phoenix contact (www.phoenixcontact.com), USA Europe USA-Europe-Japan China Tesla DC Tesla DC Chademo GB/T CHAdeMO (www.chademo.com) Combo 1 Combo 2 Combined AC & DC Combined AC & DC
1 kWh = 5 km Charging Power Level km added per Charging level Charging level AC / DC AC / DC Power Power hour of charging Level 1 Level 1 AC and DC AC and DC 0-10 kW 0-10 kW 50 km Level 2 Level 2 AC and DC AC and DC 10-50 kW 10-50 kW 50 – 250 km Level 3 > 50 kW Only DC 250 – 1750 km (Fast charging) (up to 350 kW)
AC and DC charging Prof. Dr. Pavol Bauer, Delft university of Technology Image credits go here
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