3.0: Electric vehicle Subsystems
Design of EV Drive-train
Ashok Jhunjhunwala,
Indian Institute of Technology, Madras
Chapter 3.0 Fundamentals of Electric Vehicles: Technology & economics
,In Chapter 1 we learned
Common parts between EV and ICE Vehicles
● Body/frame: Body and frame of the ● Power Steering system: hydraulic t
existing ICE car electric (existing steering system, i
electronic)
● Doors & power windows: existing
● Power Braking system: hydraulic to
● Wheels: All wheel components electric -- Vacuum pump to actuate
including the rim, hub, knuckle, tyres the braking system
● Suspension system: Existing, including ● Vipers & fluid pump: Existing, liqui
the lower arm and the struts pump
● Safety system: Airbags and parking ● Mirrors: Electronics/Manual mirror
sensors
● battery will require extra safety ● Interiors: All interiors including sea
seat belts, A/C vents, Cabin lights a
other interior components
Chapter 3.0 Fundamentals of Electric Vehicles: Technology & economics
, ICE to EV
Parts & Components to be Modified Parts and components to be remove
◦ Air conditioning system: Integration of ◦ Fuel tank and associated connections
variable speed DC motor for existing ◦ Engine and associated connections like
hydraulic actuated AC compressor sensors
◦ Cooling system: Can be reused for motor & ◦ Clutch & transmission: to be removed si
cooling with electric water pump a single speed transmission system used
integration
◦ ECU and Connections other sensors
◦ Dashboard may need some modifications ◦ Fuel pump and other engine subsystems
Chapter 3.0 Fundamentals of Electric Vehicles: Technology & economics
Design of EV Drive-train
Ashok Jhunjhunwala,
Indian Institute of Technology, Madras
Chapter 3.0 Fundamentals of Electric Vehicles: Technology & economics
,In Chapter 1 we learned
Common parts between EV and ICE Vehicles
● Body/frame: Body and frame of the ● Power Steering system: hydraulic t
existing ICE car electric (existing steering system, i
electronic)
● Doors & power windows: existing
● Power Braking system: hydraulic to
● Wheels: All wheel components electric -- Vacuum pump to actuate
including the rim, hub, knuckle, tyres the braking system
● Suspension system: Existing, including ● Vipers & fluid pump: Existing, liqui
the lower arm and the struts pump
● Safety system: Airbags and parking ● Mirrors: Electronics/Manual mirror
sensors
● battery will require extra safety ● Interiors: All interiors including sea
seat belts, A/C vents, Cabin lights a
other interior components
Chapter 3.0 Fundamentals of Electric Vehicles: Technology & economics
, ICE to EV
Parts & Components to be Modified Parts and components to be remove
◦ Air conditioning system: Integration of ◦ Fuel tank and associated connections
variable speed DC motor for existing ◦ Engine and associated connections like
hydraulic actuated AC compressor sensors
◦ Cooling system: Can be reused for motor & ◦ Clutch & transmission: to be removed si
cooling with electric water pump a single speed transmission system used
integration
◦ ECU and Connections other sensors
◦ Dashboard may need some modifications ◦ Fuel pump and other engine subsystems
Chapter 3.0 Fundamentals of Electric Vehicles: Technology & economics
