Basic Electrical and Electronics Engineering-II

Paper Code: ES201

Credits: 4

**Basic Electrical Engineering-II**

**Electrostatics: **Coulomb’s law, Electric Field Intensity, Electric field due to a group of charges, continuous charge distribution, Electric flux, Flux density, Electric potential, potential difference, Gauss’s law, proof of gauss’s law, its applications to electric field and potential calculation, Capacitor, capacitance of parallel plate capacitor, spherical capacitor, isolated spheres, concentric conductors, parallel conductors. Energy stored in a capacitor.

**DC Machines:** Construction, Basic concepts of winding (Lap and wave). DC generator: Principle of operation, EMF equation, characteristics (open circuit, load) DC motors: Principle of operation, Speedtorque Characteristics (shunt and series machine), starting (by 3 point starter), speed control (armature voltage and field control)

**Single phase transformer:** Core and shell type construction, EMF equation, no load and on load operation, phasor diagram and equivalent circuit, losses of a transformer, open and short circuit tests, regulation and efficiency calculation.

**3 phase induction motor: **Types, Construction, production of rotating field, principle of operation, equivalent circuit and phasor diagram, rating, torque-speed characteristics (qualitative only). Starter for squirrel cage and wound rotor induction motor. Brief introduction of speed control of 3 phase induction motor (voltage control, frequency control, resistance control)

**Three phase system: **Voltages of three balanced phase system, delta and star connection, relationship between line and phase quantities, phasor diagrams. Power measurement by two watt meters method.

**General structure of electrical power system:** Power generation to distribution through overhead lines and under ground cables with single lone diagram.

**Basic Electronics Engineering-II**

**Pre-requisites: Knowledge of Basic Electronics Engineering – I.**

**Module I**

**Field Effect Transistors: **

Concept of Field Effect Transistors (channel width modulation), Gate isolation types, JFET Structure and characteristics, MOSFET Structure and characteristics, depletion and enhancement type; CS, CG, CD configurations; CMOS: Basic Principles.

**Module II**

**Feed Back Amplifier, Oscillators and Operational Amplifiers:**

Concept (Block diagram), properties, positive and negative feed back, loop gain, open loop gain, feed back factors; topologies of feed back amplifier; effect of feed back on gain, output impedance, input impedance, sensitivities (qualitative), bandwidth stability; effect of positive feed back: instability and oscillation, condition of oscillation, Barkhausen criteria.

Introduction to integrated circuits, operational amplified and its terminal properties; Application of operational amplifier; inverting and non-inverting mode of operation, Adders, Subtractors, Constant-gain multiplier, Voltage follower, Comparator, Integrator, Differentiator.

**Module III**

**Digital Electronics: **

Introduction to binary number; Basic Boolean algebra; Logic gates and function realization with OPAMPs.

**Outcomes:**

Students will be able to distinguish the different Gate isolation techniques; draw and explain the I-V characteristics of FETs; Appreciate the utility of CMOS.

Student will analyse the different OPAMP circuits and apply the knowledge of network theory to OPAMP circuits.

Student must acquire the proficiency to express binary numbers, convert binary to decimal and vice versa, draw truth tables for different logic operations, design Gates and simple digital circuits using the Gates.

**Books**

**Basic Electrical Engineering-II**

**Text books:**

- Basic Electrical engineering, D.P Kothari & I.J Nagrath, TMH, Second Edition
- Fundamental of electrical Engineering, Rajendra Prasad, PHI, Edition 2005.
- Basic Electrical Engineering, V.N Mittle & Arvind Mittal, TMH, Second Edition
- Basic Electrical Engineering, J.P. Tewari, New age international publication

**Reference books:**

- Basic Electrical Engineering(TMH WBUT Series), Abhijit Chakrabarti & Sudipta Nath, TMH
- Electrical Engineering Fundamental, Vincent.D.Toro, Pearson Education,Second Edition.
- Hughes Electrical & Electronics Technology, 8/e, Hughes, Pearson Education.
- Basic Electrical Engineering, T.K. Nagsarkar & M.S. Sukhija, Oxford
- Introduction to Electrical Engineering, M.S. Naidu & S, Kamakshaiah, TMH
- Basic Electrical Engineering, J.J. Cathey & S.A Nasar, TMH, Second Edition.

**Basic Electronics Engineering-II**

**Recommended Books:****Text:**

- Sedra & Smith: Microelectronics Engineering.
- Millman & Halkias: Integrated Electronics.

**References:**

- Malvino: Electronic Principle.
- Schilling & Belove: Electronics Circuits.
- Millman & Grabal: Microelectronics.
- Salivahanan: Electronics Devices & Circuits.
- Boyelstad & Nashelsky: Electronic Devices & Circuit Theory.