Electrical Technology Fundamentals
Below is the syllabus for Electrical Technology Fundamentals:
UNITI
D. C. circuit excited by independent voltage/current source (steady state): Ohm’s Law, junction & node, circuit elements classification: Linear & nonlinear, active & passive, lumped and distributed, unilateral & bilateral with examples, KVL, KCL, Loop analysis of resistive circuit in the context of dc voltage & current, Nodevoltage analysis of resistive circuit in the context of dc voltages & currents. StarDelta transformation for set of pure resistors. Relevant D. C. circuit analytical problems for quantitative analysis.Network Theorems: Superposition, Thevenin’s and Norton’s theorem all in the context of dc voltage and current sources acting in a resistive network, maximum power transfer theorem, Relevant D. C. circuit analytical problems for quantitative analysis.
UNIT–II
AC Fundamentals: Mathematical representation of various wave functions, Sinusoidal periodic signal, instantaneous & peak values, polar & rectangular form representation of impedances & phasor quantities, Adition & subtraction of two or more phasor sinusoidal quantities using component resolution method. RMS & average values of various waveforms including clipped, clapped, half wave rectified & full wave rectified sinusoidal periodic waveforms etc. Generation of alternating emf (dynamo). Relevant analytical problems for quantitative analysis.AC Circuits: Behaviour of various compoents fed by AC source (steady state respose of pure R, pure L, pure C, RL, RC, RLC series with waveforms of instantaneous voltage, current & power on simultaneous real axis scale and corresponding phasor diagrams), P. F. active, reactive $ apparent power. Frequency response of Series & Parallel RLC circuit including resonance, Q factor, cutoff frequency & bandwidth. Relevant AC circuit analytical problems solutions using ‘jomega’ operator method.
UNIT–III
Balanced Three Phase Systems: Necessity & advantage of three phase system, mode of generation of 3 phase supply. Phase and line voltages & currents, power. Measurement of 3phase power by two wattmeter method for various types of star & delta connected balanced resistive, inductive & capacitive loads including phasor diagrams at various power factors. Phase sequence significance. Relevant problems for quantitative analysis.Electromagnetism & Magnetic circuits (Quanlitative analysis only): Laws of EMI, statically & dynamically induced emf, self & mutual induction, dot notation, RH Screw rule, Fleming’s RH & LH rules. MMF, Relation between magnetic flux, mmf and reluctance, magnetic fringing, Hysteresis & Eddy current losses & their minimization.Single Phase Transformer (Qualitative analysis only): Principle, construction & emf equation. Phasor diagram for ideal case and at no load. Winding resistance & leakage reactance. Actual transformer at resistive, inductive & capacitive loads with phasor diagram. Losses & Efficiency, condition of maximum efficiency, regulation. OC & SC test, direct load test, equivalent circuit, concept of auto transformer.
UNITIV
Electrical Machines (Qualitative analysis only): Prime mover, StatorRotor, FieldArmature, necessity of a starter.D. C. Machines: Principle, general construction & working, Split ring/Commutator working in DC generator & motor, generated emf equation, Torque Equation. Types of DC Machines, speed control of DC Shunt motor.A. C. Machines: 3phase Induction motor: Concept of rotating magnetic field, principle, types, general construction and working. Concept of slip & its significance.Synchronous Generator (alternator): Principle, general construction & working.Synchronous motor: Principle, general construction & workingGeneral comparison amongst squirrel cage I. M., phase wound rotor type I. M. & DC motor.General comparison between alternator & DC generator.
TEXTBOOKS:
 Vijay Kumar Garg, Basic Electrical Engg: A Complete Solution, Wiley India Ltd.
 Rajendra Prasad, Electrical Engg. Fundamentals, PHI Pub.
REFERENCE BOOKS:
 S. K. Sahdev, Basic Electrical Engg., Pearson Education
 PV Prasad, Basic Electrical Engg., Sivangaraju, Cengage Learning Pub.
 Bobrow, Electrical Engg. Fundamentals, Oxford Univ. Press
 Kulshreshtha, Basic Electrical Engg., McGraw Hill Pub
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