Whats inside an electric car Prof. Dr. Pavol Bauer, Delft University - - PowerPoint PPT Presentation

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Aug 14, 2023 409 likes •666 views

Whats inside an electric car Prof. Dr. Pavol Bauer, Delft University of Technology Key parts of an electric car Transmission Electric Motor Traction Motor Battery bank drive Charger port Battery On-board converter Auxiliary battery

SLIDE 1

What’s inside an electric car

Prof. Dr. Pavol Bauer, Delft University of Technology

SLIDE 2

Charger port Traction Battery bank Electric Motor Auxiliary battery On-board charger Motor drive Battery converter Transmission

Key parts of an electric car

SLIDE 3

Key parts of an electric car

SLIDE 4

Charging port + connector + cable

Charger port

SLIDE 5

Charging port + connector + cable

SLIDE 6

Onboard charger

i2 + _ + _ control signals Power flow V2 V1 i1 +

On-board charger

SLIDE 7

Onboard charger

Direct Current (DC) Alternating Current (AC)

SLIDE 8

Traction battery bank

Traction Battery bank

SLIDE 9

Traction battery bank

Battery management system
Typically 10-100 kWh

SLIDE 10

Battery types

Lead acid
Nickel based: NiMH, NiCd
Lithium based :
Lithium-ion (Li-ion) and
Lithium-polymer (Li-poly)

Weight of 20kWh battery Lead acid 550 kg Nickel Cadmium 500 kg Nickel Metal Hydride 350 kg Lithium Ion 180 kg

SLIDE 11

Battery power converter

i2 + _ + _ control signals Power flow V2 V1 i1 +

Battery converter

SLIDE 12

Battery power converter

SLIDE 13

Motor drive

SLIDE 14

Motor drive

Bidirectional:

1. Driving mode
2. Regenerative braking mode

SLIDE 15

Electric Motor Transmission

Electric traction Motor/Generator + Transmission

SLIDE 16

Electric Motor/Generator + Transmission

SLIDE 17

Commonly used electric motor types

SLIDE 18

Auxiliary battery

Auxiliary battery Power electronic controller

Key parts of EV

SLIDE 19

Electric car: Power flow

SLIDE 20

Electric car: Power flow

1 or 3 Phase AC Supply Uni-directional converter for auxiliary Uni-directional converter for charging 12V/48V Auxiliary supply

SLIDE 21

Electric car: Power flow

Onboard charger

SLIDE 22

Electric car: Power flow

Onboard charger

SLIDE 23

Electric car: Power flow

SLIDE 24

What’s inside an electric car

Prof. Dr. Pavol Bauer, Delft University of Technology