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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