Power Generation and Distribution

Engineering Studies – H2 Transport Engineering – Electricity

This topic covers electrical generation methods, there characteristics and applications.

Key Concepts

• Electrical safety
• Methods of generating electricity
• Advantages and disadvantages of each method
• Electrical distribution grids
• Transformers

Discussion Questions

1. 1. What is the concept that links electrical generators and electric motors regarding electric current and magnetic fields?
   2. Name various methods of generating electricity.
   3. Discuss the advantages of the various methods?
   4. Describe the method of distributing electricity from the power station to the consumer.
   5. Why is high voltage used to distribute electricity?
   6. If transmission of electricity is efficient at high voltage, why are various voltages used for transmission in the grid?
   7. What is the function of a sub-station in the power grid?
   8. Why are AC and DC currents selected for applications?
   9. Describe how an AC current can be converted to a DC current?
   10. How is electricity measured? What are the units of measurement?