Basic Electrical and Electronics Engineering

Contents: Preface. I. Basics of electrical engineering: 1. Introduction. 2. Current flow. 3. Sources of electrical energy. 4. OHM's law. 5. Electrical power. 6. Energy calculations. 7. Electrical energy. 8. Kirchoffs laws. 9. Resistances in series. 10. Resistances in parallel. 11. Series parallel resistances. 12. Resistances in star or delta connections. 13. Features of a resistance. 14. Uses of resistance. 15. Differences between electrical and electronic circuits. 16. Network theorems. 17. Network classification. 18. Superposition theorem. 19. The Venins theorem. 20. Nortons theorem. 21. Maximum power transfer theorem. II. D.C. Circuit analysis using mesh and nodal analysis: 1. Introduction. 2. Loop or mesh analysis and nodal analysis. 3. Loop analysis for D.C. circuits. 4. Nodal analysis. 5. Nodal analysis for D.C. circuits. 6. Nodal analysis with dependent sources. III. Fundamentals of alternating current: 1. Introduction. 2. Generation of alternating voltage and currents. 3. Expression for the EMF generated by a single phase alternator. 4. Different forms of representing alternating quantities. 5. Arithmetic operations of phasors. 6. Instantaneous and average power in AC circuits. IV. A.C. Single phase and three phase circuits: 1. Introduction. 2. Power and power factor in single phase A.C. circuits. 3. A.C. series circuits. 4. A.C. Parallel circuits. 5. A.C. series parallel circuit. 6. A.C. Star delta connected circuits. 7. Importance of power factor. 8. Features of A.C. single phase circuits. 9. Uses of A.C. single phase circuits. 10. Introduction to three phase systems. 11. Poly phase system. 12. Advantages of three phase systems. 13. Generation of three phase EMFS. 14. Balanced and unbalanced three phase circuits. 15. Three phase connections. 16. Three phase voltages and currents phase and line values. 17. Balanced or unbalanced three phase loads. 18. Power in three phase circuits. 19. Power measurement in three phase circuits. 20. Three wattmeter method. 21. Two wattmeter method. 22. Two wattmeter method for balanced load. 23. Effect of power factor on the wattmeter readings. 24. Leading power factor. 25. Other methods of connecting two wattmeters. 26. Single wattmeter method. 27. Measurement of reactive power. 28. Three phase wattmeter. 29. Power factor meter. 30. Phase sequence meter. 31.Frequency meter. 32. Comparison between star and delta connections. 33. Comparison between 1-phase and 3 phase supply systems. V. Magnetic circuits and electromagnetic induction: 1. Introduction. 2. Magnetic circuits. 3. Magnetization curve or BH curve. 4. Magnetic hysteresis. 5. Eddy current loss. 6. Faradays laws of electromagnetic induction. 7. Direction of induced EMF. 8. Induced EMF. 9. Dynamically induced EMF. 10. Statically induced EMF. 11. Lifting power of magnet. VI. Transformers. VII. D.C. Machines. VIII. A.C. Machines 1. Synchronous machines. IX. A.C. Machines II induction motors. X. Digital electronics. XI. Electronic components and circuits. 12. Cathode ray oscilloscope. Questions. References.