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NEE101/NEE201: ELECTRICAL ENGINEERING

 

L T P  3 1 0

 

Unit-I

 

1. D C Circuit Analysis and Network Theorems:

 

Circuit Concepts: Concepts of network, Active and passive elements, Voltage and current sources, Concept of linearity and linear network, Unilateral and bilateral elements, R, L and C as linear elements, Source transformation

 

Kirchhoff's laws; Loop and nodal methods of analysis; Star-delta transformation

 

Network theorems: Superposition theorem, Thevenin's theorem, Norton's theorem, Maximum Power

 

Transfer theorem (Simple numerical problems)

9

 

Unit-II

 

2. Steady- State Analysis of Single Phase AC Circuits:

 

AC fundamentals: Sinusoidal, square and triangular waveforms – Average and effective values, Form and peak factors, Concept of phasors, phasor representation of sinusoidally varying voltage and current, Analysis of series, parallel and series-parallel RLC Circuits, Resonance in series and parallel circuits, bandwidth and quality factor; Apparent, active & reactive powers, Power factor, Causes and problems of

 

low power factor, Concept of power factor improvement (Simple numerical problems)

8

 

Unit-III

 

3. Three Phase AC Circuits:

 

Three phase system-its necessity and advantages, Star and delta connections, Balanced supply and

balanced load, Line and phase voltage/current relations, Three-phase  power and its measurement

(simple numerical problems).                                                                                                   3

 

4. Measuring Instruments:

 

Types of instruments, Construction and working principles of PMMC and moving iron type voltmeters & ammeters, Single phase dynamometer wattmeter, Use of shunts and multipliers (Simple numerical

 

problems on shunts and multipliers)

4

 

Unit-IV

 

5.

Introduction to Earthing and Electrical Safety:

 

Need of Earthing of equipment and devices, important electrical safety issues.

2

6.

Magnetic Circuit:

 

 

Magnetic circuit concepts, analogy between electric & magnetic circuits, B-H curve, Hysteresis and eddy

current losses, Mutual coupling with dot convention, Magnetic circuit calculations.

3

 

 

 

11

 

7. Single Phase Transformer:

 

Principle of operation, Construction, EMF equation, Equivalent circuit, Power losses, Efficiency (Simple

 

numerical problems), Introduction to auto transformer.

3

 

Unit-V

 

8. Electrical Machines:

 

Concept of electro mechanical energy conversion

 

DC machines: Types, EMF equation of generator and torque equation of motor, Characteristics and applications of DC motors (simple numerical problems)

 

Three Phase Induction Motor: Types, Principle of operation, Slip-torque characteristics, Applications

 

(Numerical problems related to slip only)

 

Single Phase Induction motor: Principle of operation and introduction to methods of starting, applications.

 

Three Phase Synchronous Machines: Principle of operation of alternator and synchronous motor and

their applications.

8

 

 

 

Text Books:

 

  1. "Principles of Electrical Engineering", V. Del Toro,; Prentice Hall International
  2. "Basic Electrical Engineering", D P Kothari, I.J. Nagarath; Tata McGraw Hill
  3. "Basic Electrical Engineering", S N Singh; Prentice Hall International
  4. "Fundamentals of Electrical Engineering", B Dwivedi, A Tripathi; Wiley India
  5. "Basic Electrical Engineering", Kuldeep Sahay, New Age International Publishers

 

 

Reference Books:

 

  1. "Electrical and Electronics Technology", Edward Hughes; Pearson
  2. "Engineering Circuit Analysis", W.H. Hayt & J.E. Kimerly; Mc Graw Hill
  3. "Basic Electrical Engineering", C L Wadhwa; New Age International
  4. "Basic Electrical Engineering", T.K. Nagsarkar,M.S. Shukhija; Oxford University Press