1. Electrical Power System SMJE 2103

2. The Importance of Electrical Power Importance in daily live Importance in industrial Importance in security Importance in infrastructure Importance in conversion energy The energy is considered to be superior with others according to some proofs. Please list and discuss the proof.

5. Fundamental of Electrical Power DC Circuit AC Circuit Phasor Diagram AC Power Power Measurement Power Factor

6. DC Circuit

9. Example

10. How much dc current flows through R1, R3 and R2?

11. Example

13. AC Circuit -Series-

16. AC Circuit -Parallel-

18. AC Circuit -RLC-

21. AC Circuit -RLC Analysis-

23. Example Calculate the ac current suppose flows in the circuit

24. Example Let the source is 240V, find the current source

25. Example

26. Phasor Diagram

29. AC Power

30. AC Power -Power Triangle-

31. Example Let the source is 100 V  0 o, a.Find the total number of watts, volt-ampere reactive, and volt-ampere, and the power factor for the network. b.Sketch the power triangle

32. Power Measurement

36. Power Factor

39. Power Factor Correction

43. Tutorial Let a 100V sinusoidal source be connected to a series combination of a 3Ω resistor, an 8ΩΩ inductive reactance and a 4Ω capacitive reactance. a)Draw the circuit diagram b)Compute the series impedance c)Determine the current delivered by the source d)Is the current lagging or leading the source voltage? e)What is the power of this circuit?