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BT-104 · Basic Electrical & Electronics Engineering/Official Syllabus

Basic Electrical & Electronics Engineering (BT-104) - Official Syllabus

1
Unit 1

D.C. Circuits

  • Voltage and current sources
  • dependent and independent sources
  • Units and dimensions
  • Source Conversion
  • Ohm’s Law
  • Kirchhoff’s Law
  • Superposition theorem
  • Thevenin’s theorem and their application for analysis of series and parallel resistive circuits excited by independent voltage sources
  • Power & Energy in such circuits
  • Mesh & nodal analysis
  • Star Delta transformation & circuits
2
Unit 2

1- phase AC Circuits & 3-phase AC Circuits

  • Generation of sinusoidal AC voltage
  • definition of average value, R.M.S. value, form factor and peak factor of AC quantity
  • Concept of phasor
  • Concept of Power factor
  • Concept of impedance and admittance
  • Active, reactive and apparent power
  • analysis of R-L, R-C, R-L-C series & parallel circuit
  • Necessity and advantages of three phase systems
  • Meaning of Phase sequence
  • balanced and unbalanced supply and loads
  • Relationship between line and phase values for balanced star and delta connections
  • Power in balanced & unbalanced three-phase system and their measurements
3
Unit 3

Magnetic Circuits & Single phase transformer

  • Basic definitions
  • magnetization characteristics of Ferro magnetic materials
  • self inductance and mutual inductance
  • energy in linear magnetic systems
  • coils connected in series
  • AC excitation in magnetic circuits
  • magnetic field produced by current carrying conductor
  • Force on a current carrying conductor
  • Induced voltage, laws of electromagnetic Induction, direction of induced E.M.F.
  • Single phase transformer- General construction, working principle, e.m.f. equation, equivalent circuits, phasor diagram, voltage regulation, losses and efficiency, open circuit and short circuit test
4
Unit 4

Electrical Machines

  • Construction, Classification & Working Principle of DC machine, induction machine and synchronous machine
  • Working principle of 3-Phase induction motor
  • Concept of slip in 3- Phase induction motor
  • Explanation of Torque-slip characteristics of 3-Phase induction motor
  • Types of losses occurring in electrical machines
  • Applications of DC machine, induction machine and synchronous machine
5
Unit 5

Basic Electronics

  • Number systems & Their conversion used in digital electronics
  • De morgan’s theorem
  • Logic Gates
  • half and full adder circuits
  • R-S flip flop
  • J-K flip flop
  • Introduction to Semiconductors
  • Diodes
  • V-I characteristics
  • Bipolar junction transistors (BJT) and their working
  • introduction to CC, CB & CE transistor configurations
  • different configurations and modes of operation of BJT

Laboratory Experiments

  • Basic safety precautions. Introduction and use of measuring instruments – voltmeter, ammeter, multi-meter, oscilloscope. Real-life resistors, capacitors and inductors.
  • Measuring the steady-state and transient time-response of R-L, R-C, and R-L-C circuits to a step change in voltage (transient may be observed on a storage oscilloscope). Sinusoidal steady state response of R-L, and R-C circuits – impedance calculation and verification. Observation of phase differences between current and voltage. Resonance in R-L-C circuits.
  • Transformers: Observation of the no-load current waveform on an oscilloscope (non- sinusoidal wave-shape due to B-H curve nonlinearity should be shown along with a discussion about harmonics). Loading of a transformer: measurement of primary and secondary voltages and currents, and power.
  • Determination of equivalent circuit parameters of a single phase transformer by O.C. and S.C. tests and estimation of voltage regulation and efficiency at various loading conditions and verification by load test.
  • Demonstration of cut-out sections of machines: dc machine (commutator-brush arrangement), induction machine (squirrel cage rotor), synchronous machine (field winging - slip ring arrangement) and single-phase induction machine.
  • Torque Speed Characteristic of separately excited dc motor.
  • Synchronous speed of two and four-pole, three-phase induction motors. Direction reversal by change of phase-sequence of connections. Torque-Slip Characteristic of an induction motor. Generator operation of an induction machine driven at super- synchronous speed.
  • Synchronous Machine operating as a generator: stand-alone operation with a load. Control of voltage through field excitation.
  • Study of V-I Characteristics of Diodes.
  • Applications of Diodes and their verification.
  • Transistor applications as amplifier and switch.
  • Verification of truth table for various gates, Flip-Flops.
  • Realizations of Various gates, Flip-Flops etc.
  • Verification of De morgan’s theorems.

Reference Books

  • Basic Electrical Engineering — D.P. Kothari, I.J. Nagrath — Tata McGraw Hill
  • Basic Electrical Engineering — S.N. Singh — P.H.I. — 2013
  • Fundamentals of Electrical Engineering — Rajendra Prasad — Prentice Hall — 2014
  • Basic Electrical and electronics engineering — M.S. Sukhija, T. K. Nagsarkar — Oxford University press — 2012
  • Basic Electrical Engineering — C.L. Wadhwa — New Age International
  • Textbook of Electrical Technology - Vol. 1 — B.L. Theraja, A.K Theraja — S. Chand Publication
  • Hughes Electrical Technology — E. Hughes, I.M. Smith — Pearson
  • Electrical Engineering Fundamentals — Vincent Del Toro
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