Power System
Course #: EEN345
Lecture#2 – Basic Principles of Power
Systems (Tutorial)
Dr. Mohamed Abdi Jama
Remember: Instantaneous & Average Power
Average Real Power
Average Reactive Power
Problem 1
Problem 1
Solution
Problem 1
Solution
Remember: Complex Power, Real Power, and
Reactive Power
Problem 2
Problem 2
Solution
Problem 2
Solution
Problem 2
Solution
Alternatively, the complex powers may
be obtained as follows:
Problem 3
Problem 3
Solution
Part (a)
Problem 3
Solution
Part (b)
Problem 3
Solution
Problem 4
Problem 4
Problem 4
Solution
Problem 4
Solution
Problem 4
Solution
Remember: Complex Power Flow
Problem 5
Solution:
Problem 5
Solution
Remember: Balanced Three-Phase Power
Three-phase Real Power
Three-phase Reactive Power
Three-phase Complex Power
Problem 6
Problem 6
Problem 6
Solution
Problem 6
Solution
Problem 6
Solution
Problem 6
Solution