Syllabus – Theory
DC Circuits: Electrical circuit elements (R, L and C), Ohm’s Law, KVL and KCL, Types of sources, Source transformation, Network reduction techniques (Series and Parallel), Mesh and Nodal analysis, Superposition theorem, Thevenin’s and Norton’s theorems (DC Excitation only) – Numerical problems.
AC Circuits: Representation of sinusoidal waveforms, Average & RMS value, Peak factor, Form factor, j-notation, Analysis of single-phase AC circuits consisting of R, L, C, RL, RC, RLC combinations (series circuits only) – Numerical problems.
Single Phase Transformers: Working principle and constructional details, Types – Core and Shell type transformers, EMF equation, Transformer operation on NO load and ON load Conditions, OC and SC tests on Transformer, Losses and Efficiency – Numerical problems on EMF equation.
DC Machines: D.C. Generators – Construction, Principle of operation, E.M.F. equation, Methods of excitation – Separately excited and Self-excited generators- Numerical problems on EMF equation. D.C Motors – Principle of operation, Concept of Back E.M.F., Torque equation, Load test on DC Shunt motor – Conceptual description only.
AC Machines: Generation of rotating magnetic elds, Construction and working of a three-phase Induction motor, Concept of slip, Torque production- Starting and Running torques, Torque-Slip characteristics – Numerical problems on slip. Construction of Synchronous generator – Salient pole and Non-salient pole generators, working principle of synchronous generator, No-Load Characteristics – Conceptual description only.
Resources
Lecture Notes
Module 1 (Download)
Module 2 (Download)
Module 3 (Download)
Module 4 (Download)
Module 5 (Download)
