In the previous unit, we saw what an electric vehicle is and its advantages. We also looked at the role of electric vehicles in the energy transition and the key role that business and politics play in the adoption of electric vehicles. This week, we will delve into electric vehicle technology.

Many questions are addressed in this unit. You may have heard a lot about electric cars or hybrid electric cars or even plug-in hybrids. What are the differences between them? What is inside an electric car and how does it work? What is the vital role of power electronics and the battery in the electric car? How do you charge the electric car, and what is the difference between AC and DC charging?

In this unit, we attempt to answer the questions mentioned above. The main topics covered during this unit are:

• • • The main components of the electric vehicle;
    • The principles of operation of the electric vehicle;
    • Types of electric vehicles – hybrid, plug-in hybrid, battery, and fuel cell;
    • Comparing electric vehicles based on emissions, range, and fuel type;
    • Basics of charging electric cars - range, power, voltage, charging time, and energy;
    • Charging electric vehicles - types of plugs, power levels, and charging modes;
    • Basics of smart charging.

A glossary of key technical terms used in this unit can be found.