EE6352 EEI Scanned Lecture Notes (Units 1 and 2) - Sreedhar Edition

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Anna University , Chennai

Department of B.E. Electronics and Communication Engineering

Third Semester

EE6352 Electrical Engineering and Instrumentation

Lecture Notes (Units 1 and 2) - Sreedhar Edition

(Regulation 2013) 

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Content : 
ELECTRICAL ENGINEERING AND INSTRUMENTATION

UNIT-1

CONCTRUCTION DETAILS
Parts of DC machine
1. Yoke 
2. Field system
3. Armature
4. Commutator
5. Brushless, bearing and shaft
EMF equation of a DC generator
Objective
EMF of the generator
Problems
Separately excited DC generators
Self –excited DC generator  
1. Series generator
2. Shunt generator
3. Compound generator
Dc generator characteristics
Characteristics of series generators
Characteristics of shunt generators
Compound generator characteristics
Principle operation of DC motors
DC motor characteristics
1. Torque and armature current characteristics
2. Speed and armature current characteristics
3. Speed and torque characteristics
Characteristics of shunt motors
Characteristics of series motors
Compound motors
SPEED CONTROL AND DC SHUNT MOTORS
By varying flux
Ward leonard control system

UNIT-2
Construction details
Magnetic core
Types
1. Core type
2. Shell type
Winding
1. Primary
2. Secondary
Insulation
Insulating oil
Temperature range
Oil gauge
Buchholz relay
Breather
Bushing
Working principle of transformer
Basic principle
EMF equation of transformer
Ideal transformer
Properties
Vector diagram
Practical transformer on NO-LOAD
Voltage regulation
Equivalent circuit
Transformer on load
Phasor diagram

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