M.RAGHAVENDRA1V B TECH EEE-B

11881A0267

ECOFRIENDLY TECHNOLOGY

WHY ELECTRIC VEHICLES?

Petrol, Diesel and gas vehicles:

non renewable resources(scarce)

Depending on foreign oil

High cost

Less reliable

Oil spills problems

EV’s batteries:

Solar and wind energy can be utilized

Domestically generated electricity

less cost

More reliable

No oil spills problems

We can charge them in our home itself

Batteries need to be charged.

Car can not be used when batteries are being

charged.

They can only go Less Kms between charges.

Battery disposal needs to be carefully managed.

Charging stations required=>load and their centers

vary

Electric Grid changes required.

Battery electric vehicles: (BEV)

works on battery .

Plug in hybrid electric vehicle(PHEV): Battery, electric drive train and internal combustion engine

Hybrid electric vehicle: Battery and internal combustion engine

Hybrid electric vehicle

What is a Hybrid Electric Vehicle?

LITHIUM-IONBATTERY

Regenerative braking : Converting motor

to generator (saves energy)

Plugging : Reversing the armature

terminals .

Dynamic Braking :Reversing supply and

adding resistance