KUK - LMS

Syllabus

MODULE NO / UNIT	COURSE SYLLABUS CONTENTS OF MODULE	NOTES
Course Code: EI-PC-208 Course Name: Electrical Machines-I
1	Principles of Electro-mechanical Energy Conversion: Introduction, Review of magnetic system, Force and torque in magnetic field system, Energy balance equation, Energy conversion via electrical field, Determination of the Force and Torque from energy and co-energy, Generation of EMF in Machines.
2	DC Machines-I: Principle, Construction, and Classification of DC generators, EMF equation of generator, Armature winding, Armature reaction, Commutation, Performance characteristics of DC generators, and applications.
3	DC Machines-II: Principle, Construction, and Classification of DC motor, back emf, power equation, condition for maximum efficiency, armature torque and shaft torque, losses and efficiency, power stages, Performance characteristics of DC motors, Starting of DC motors; 3 point and 4 point starters, Speed control of DC motors; Field control, Armature control and Voltage control (Ward Leonard method); Efficiency and Testing of DC machines (Hopkinson's and Swinburne's Test).
4	Single Phase Transformer: Construction & Principle, Ideal and practical transformer, shifting impedances, exact and approximate equivalent circuit, resistive, inductive and capacitive loading with phasor diagrams, losses in transformers. Efficiency and condition for maximum efficiency, voltage regulation, Testing of Transformers- O.C. and S.C. tests, Polarity test, Sumpner's test, parallel operation and load sharing, Auto Transformer- Single phase autotransformers, merits and de-merits and applications.
5	Three Phase Transformers: Construction, Three phase transformer, phasor groups and their connections, open delta connection, three phase to 2 phase conversion, Three winding transformers from three single phase transformers. Parallel operation of three phase transformers.