1. EE 442 POWER ELECTRONICS I Introduction Dr. Said A. Deraz
Assistant Professor
Electrical Engineering Department
Faculty of Engineering, King Abdulaziz University

2. What is power electronics?
Power Electronics is the application of solid-state electronics for the control and conversion of electric power. It converts electric energy of the supply into voltage or current suitable for the load.
Basic structure of power Electronics system

3. Power electronics devices

5. Types of power converters
In brief, power electronics combines power, electronics and control. It employs electronic devices in circuit theory to achieve an efficient conversion of electric energy as well as the control and conditioning of electric power

6. Operating range of power semiconductor devices

7. Applications of power electronics

8. Advantages and disadvantages of power electronics
Higher efficiency
Long life
Small size and low weight
Fast response
Disadvantages
Produce harmonics in the supply system & controlled system
Interference with communication system
Produce low power factor at low voltage