Electrical Engineering and Instrumentation Premium Lecture Notes - Raji Edition

Electrical Engineering and Instrumentation Premium Lecture Notes prepared by RAJI. Syllabus is based on R2013 Anna University B.E Electronics and Communication Engineering.

Content :

UNIT-1
DC MACHINES

• Introduction
• Dc machines classification
• Construction of DC machines
• Working principle of dc generators
• EMF equation of DC generators
• Types of DC generators
• Characteristics of DC generators
• Working principle of DC generators
• Torque and speed equation of DC motors
• Types of DC motors
• Characteristics of DC motors

UNIT-2
TRANSFORMER

• Introduction
• Working principle
• EMF equation of transformer
• Transformer ratio (k)
• Ideal transformer on NO LOAD
• Practical transformer on NO LOAD
• Transformer on LOAD
• Equivalent circuit of transformer
• Voltage regulation of transformer
• Losses in a transformer
• Efficiency of a transformer

UNIT-3
INDUCTION MACHINE AND SYNCHRONOUS MACHINES

• Three phase induction motor
• Construction
• 1. Stator
• 2. Rotor
• Torque equation
• Equivalent circuit of induction motor
• Single phase induction motor
• Construction
• Working principle
• Double field revolving theory
• Types of single phase induction motor
• Classification
• Alternators
• Operation of alternators
• EMF equation of an alternators
• Voltage regulation
• Determination of voltage regulation
• V-curves for alternator

UNIT-4
BASICS OF MEASUREMENTS AND INSTRUMENTATION

• Performance characteristics of instruments
• Static characteristics
• Dynamic characteristics
• Systematic error
• Random error
• Classification of transducers
• Theory and operating principle
• Thermistors
• Advantage
• Disadvantage
• Linear variable differential transformer (LVDT)
• Construction
• Working
• Advantage
• Disadvantage
• Piezoelectric transducers

UNIT-5
ANALOG AND DIGITAL INSTRUMENTS

• Introduction
• Comparison of analog and digital instruments
• Digital voltmeters (DVM)
• Classification
• Digital multi meter (DMM)
• Storage oscilloscope
• Advantage
• Disadvantage
• BRIDGES
• Types
• DC bridges
• AC bridges
• Classification
• Wheatstone bridge
• Application
• Kelvin’s bridge
• Advantages
• Disadvantages
• Anderson bridges
• Wein bridges