Fundamentals of Electrical and Electronics Engineering(EEE)

Unit 1

Introduction to Electrical Power System; Ideal Independent Current and Voltage Sources, Reference Directions and Symbols; Resistance, Inductance and Capacitance; Ohm’s law, Kirchhoff’s law, Energy and Power - Series parallel combination of R, L and C Components, DC Series-Parallel Circuits - Voltage Divider and Current Divider Rules - Superposition Theorem, Network Analysis - Mesh and Node methods - Generation of sinusoidal voltage; Instantaneous, Average and effective values of periodic functions; Phasor representation.

Unit 2

Reactance and Impedance; Response in RLC circuits to sinusoidal voltage; Real and Reactive Power, Power factor; Complex Power and Power Triangle - Introduction to Three Phase Systems; Balanced 3-Phase STAR and DELTA connections of Load, Three phase power - Measuring Instruments for AC and DC quantities; Instruments to measure Voltage, Current, Power and Energy - Electromagnetic Induction; Magnetic Circuit Elements; Self and Mutual Inductances - Classification and Applications of Electrical Machines; Torque, Output Power and Efficiency. 3-Phase Induction Motor - Principle of operation, Slip, Torque-speed relation; Single Phase and Three Phase Transformers - Principle of Operation, turns ratio and Connections.

Unit 3

PN junction diode characteristics: unbiased diodes, forward and reverse bias – breakdown – barrier potential – diode approximation - Rectifiers: half wave and full wave - Zener diode – design of regulators and Characteristics - Introduction to BJT: characteristics curves and region of operation; Biasing: Load line – fixed and voltage divider bias - JFET characteristics – 555 Timer – transconductance - Introduction to Operational amplifier: inverting and non-inverting amplifier.