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

Aug 14, 2023 •409 likes •662 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

What’s 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 charger
Key parts of an electric car
Charging port + connector + cable Charger port
Charging port + connector + cable
Power + Onboard charger flow i 1 i 2 + + V 1 V 2 _ _ control signals On-board charger
Direct Current (DC) Onboard charger Alternating Current (AC)
Traction battery bank Traction Battery bank
• Battery management system Traction battery bank • Typically 10-100 kWh
Battery types Weight of 20kWh battery • Lead acid Lead acid 550 kg • Nickel based: NiMH, NiCd Nickel Cadmium 500 kg • Lithium based : Nickel Metal Hydride 350 kg • Lithium-ion (Li-ion) and • Lithium-polymer (Li-poly) Lithium Ion 180 kg
Power + Battery power converter flow i 1 i 2 + + V 1 V 2 _ _ control signals Battery converter
Battery power converter
Motor drive Motor drive
Bidirectional: Motor drive 1. Driving mode 2. Regenerative braking mode
Transmission Electric Motor Electric traction Motor/Generator + Transmission
Electric Motor/Generator + Transmission
Commonly used electric motor types
Key parts of EV Auxiliary battery Power electronic controller Auxiliary battery
Electric car: Power flow
Electric car: Power flow 12V/48V Auxiliary supply Uni-directional converter for Uni-directional charging converter for auxiliary 1 or 3 Phase AC Supply
Electric car: Power flow Onboard charger
Electric car: Power flow Onboard charger
Electric car: Power flow
What’s inside an electric car Prof. Dr. Pavol Bauer, Delft University of Technology

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