AC and DC charging€¦ · EV charging Direct Current (DC) Alternating Current (AC) Battery...

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ecreditsgohere

ACandDCchargingProf.Dr.Pavol Bauer,DelftuniversityofTechnology

EVcharging

Direct Current (DC)

Alternating Current (AC)

Battery

Electricity grid

Parts of EV Charger

Chargingcable+connector

Vehicleinlet

EVCoupler

AC DC

IsolatedPowerConverter

ChargeControllerBMS

Control&ProtectionCommunication

/Control

1. AC/DCconverter

2. Chargingport+cable+connector

3. Batterymanagementsystem(BMS)+Chargecontroller

Chargingport+cable+connector

TractionBatterybank

On-boardcharger

EVchargingDirect Current (DC)

Alternating Current (AC)

On-boardcharger:ACcharging

Onboardchargerlimitedinpowerdueto

§ Sizerestrictions

§ Weightrestrictions

1.9 - 22 kW

Off-boardcharger:DCcharging

Off-boardCharger

50 – 350 kW

AC and DC charging

AC charging

DC charging

Off-boardCharger

Charging:ConnectorType&PowerLevel

Imagecourtesy:P

hoen

ixcon

tact(w

ww.pho

enixcontact.com

),Scam

e&EVplugalliance,(www.scame.com)

USA- Japan Europe China

Type1

TeslaAC

Type2

Type3

BasedonType2

AC connector types

Imagecourtesy:P

hoen

ixcon

tact(w

ww.pho

enixcontact.com

),CH

AdeM

O(w

ww.chade

mo.com)

DC connector types

USA Europe USA-Europe-Japan China

TeslaDC TeslaDC Chademo GB/T

Combo1CombinedAC&DC

Combo2CombinedAC& DC

Charging Power Level

Charginglevel AC/DC Power

Level1 ACandDC 0-10kW

Level2 ACandDC 10-50kW

1 kWh = 5 km

kmaddedperhourofcharging

50km

50– 250km

250– 1750km

Charginglevel AC/DC Power

Level1 ACandDC 0-10kW

Level2 ACandDC 10-50kW

Level3(Fastcharging)

OnlyDC>50kW

(upto350kW)

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ecreditsgohere

ACandDCchargingProf.Dr.Pavol Bauer,DelftuniversityofTechnology