Electric MC - I

Simple & clean notes of electric m/c-I for electronics engineering.it contain all important topics which are given below chapter wise

Unit-I Transformer-I

Working principle e.mf. equation construction phasor diagrams equivalent circuit voltage regulation losses separation of hysteresis and eddy current losses efficiency tests: open circuit and short circuit load Sumpner’s test Condition for maximum efficiency and regulation Power and distribution transformer allday efficiency Excitation phenomenon Autotransformer: working, advantages its equivalent circuit and phasor diagram

Unit II Transformer-II

Three phase transformer: its construction groups and connections their working and applications Scottconnection Parallel operation of Transformers Tap changers cooling conservator and breather Pulse and high frequency transformers

Unit III Three phase Induction Motor-I

Working principle construct