AC and DC charging Prof. Dr. Pavol Bauer, Delft university of - - PowerPoint PPT Presentation

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AC and DC charging Prof. Dr. Pavol Bauer, Delft university of - - PowerPoint PPT Presentation

Jan 12, 2023 670 likes •817 views

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.

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SLIDE 1

Image credits go here

AC and DC charging

  • Prof. Dr. Pavol Bauer, Delft university of Technology
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SLIDE 2

EV charging

Direct Current (DC) Alternating Current (AC) Battery Electricity grid

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SLIDE 3

Parts of EV Charger

Charging cable + connector Vehicle inlet EV Coupler AC DC Isolated Power Converter

Charge Controller BMS Control & Protection Communication /Control

  • 1. AC/DC converter
  • 2. Charging port + cable +

connector

  • 3. Battery management system

(BMS) + Charge controller

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SLIDE 4

Charging port + cable + connector Traction Battery bank On-board charger

EV charging

Direct Current (DC) Alternating Current (AC)

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SLIDE 5

On-board charger: AC charging

On board charger limited in power due to § Size restrictions § Weight restrictions 1.9 - 22 kW

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SLIDE 6

Off-board charger: DC charging

Off-board Charger 50 – 350 kW

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SLIDE 7

AC and DC charging

AC charging DC charging

Off-board Charger

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SLIDE 8

Charging: Connector Type & Power Level

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SLIDE 9

Image courtesy: Phoenix contact (www.phoenixcontact.com), Scame & EV plug alliance, (www.scame.com)

USA - Japan Europe China Type 1 Tesla AC Type 2 Type 3 Based on Type 2

AC connector types

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SLIDE 10

Image courtesy: Phoenix contact (www.phoenixcontact.com), CHAdeMO (www.chademo.com)

DC connector types

USA Europe

USA-Europe-Japan

China Tesla DC Tesla DC Chademo GB/T Combo 1

Combined AC & DC

Combo 2

Combined AC & DC

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SLIDE 11

Charging Power Level

Charging level AC / DC Power Level 1 AC and DC 0-10 kW Level 2 AC and DC 10-50 kW

1 kWh = 5 km

km added per hour of charging 50 km 50 – 250 km 250 – 1750 km Charging level AC / DC Power Level 1 AC and DC 0-10 kW Level 2 AC and DC 10-50 kW Level 3 (Fast charging) Only DC > 50 kW (up to 350 kW)

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SLIDE 12

Image credits go here

AC and DC charging

  • Prof. Dr. Pavol Bauer, Delft university of Technology