Log in Sign up

EX-501 Electrical Machine-II Notes

5 notes for Electrical Machine-II, unit by unit.

Unit 1 · Short notes D.C. Machine-I Basic construction of DC machines · Types of DC machines and method of excitation · Lap and wave windings · EMF equation · Armature reaction and methods of limiting armature reaction · Commutation process and methods for improving commutation
Unit 2 · Short notes D.C. Machine-II Basic operation of DC motors · Torque equation · Operating characteristics of DC motors · Starting of DC motors – 2 point, 3 point and 4 point starters · Speed control of DC motors · Losses and efficiency of DC machines
Unit 3 · Short notes Synchronous Machine-I Construction · Types of prime movers · Excitation system including brushless excitation · Polyphase distributive winding, integral slot and fractional slot windings · EMF equation · Generation of harmonics and their elimination
Unit 4 · Short notes Synchronous Machine-II Salient pole machines · Two reaction theory equivalent circuit model and phasor diagram · Determination of Xd and Xq by slip test · SCR and its significance · Regulation of salient pole alternator · Power angle equation and characteristics
Unit 5 · Short notes Synchronous machine-III Synchronous motor operation, starting and stopping of synchronous motor · Pull in torque · Motor under load power and torque · Reluctance torque · Effect of excitation · Effect of armature reaction

More for EX-501

Electrical Machine-II subject page

Other 5th semester EX subjects

All EX 5th semester subjects