Week 4 Session 5

Q)

1. DC-DC converter: A DC-DC converter is used to step down the high voltage DC power from the battery to the voltage required by different components in the vehicle. For example, the horn in the electric vehicle requires a DC voltage of less than 10V, which can be achieved using a DC-DC converter.

2. AC-DC converter: An AC-DC converter is used to convert the AC power from the charging station or on-board generator to DC power that can be stored in the battery. This converter is also used to power various DC components in the vehicle.

3. Motor controller: A motor controller is used to regulate the speed and torque of the electric motor that drives the wheels of the vehicle. It converts the DC power from the battery to AC power that is used to drive the motor.

4. Battery charger: A battery charger is used to convert the AC power from the charging station or on-board generator to DC power that can be stored in the battery. It regulates the charging current and voltage to ensure safe and efficient charging of the battery.

5. Inverter: An inverter is used to convert the DC power from the battery to AC power that can be used to power AC components in the vehicle, such as air conditioning, entertainment systems, and power outlets.

6. Regenerative braking system: A regenerative braking system uses a power converter to convert the kinetic energy of the vehicle during braking into electrical energy that can be stored in the battery. This system increases the overall efficiency of the vehicle and reduces the amount of energy required from the battery.

Overall, power converters are critical components in electric vehicles that enable the efficient use of electrical energy and ensure the safe and reliable operation of the vehicle.