Basic Electrical and Instrumentation Engineering - BE3254, BE8254

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Basic Electrical and Instrumentation Engineering

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Basic Electrical and Instrumentation Engineering



BE3254 2021 Regulation Anna University

BE8254 2017 Regulation Anna University

BE3254 2021 Regulation Anna University

UNIT I: TRANSFORMER


Transformer - Electrical Engineering and Instrumentation
Single Phase Transformer Construction and Principle of Operation
EMF Equation of Transformer
Transformer on No-Load
Transformer on Load
Equivalent Circuit of Transformer
Regulation of Transformer
Transformer Losses and Efficiency
All Day Efficiency of Transformer
Auto Transformer
Solved Problems: Electrical Engineering and Instrumentation - Transformer
Important Short Questions and Answers: Electrical Engineering and Instrumentation - Transformer

REFER


Transformer: Principle of Operation
An ideal Transformer: Principle of Operation
Induction Law - Transformer
Equivalent Circuit of Transformer
Transformer Losses
Transformer Tests
Efficiency of a Transformer
Voltage Regulation of Transformer
Auto Transformer
Three-phase autotransformer connection
Parallel Operation of Transformers
Tap Changing in Transformer
Solved Problems - Transformer - Electrical machines
Important Short Questions and Answers: Electrical machines - Transformer

UNIT II: DC MACHINES


Three Phase Circuits, A Review
Construction of DC Machines
Theory of Operation of DC Generators
Characteristics of DC Generators
Operating Principle of DC Motors and Torque Equation
Types of DC Motors and their Characteristics
Speed Control of DC Motors
Application of DC Motor
Solved Problems: Electrical Engineering and Instrumentation - DC Machines
Important Short Questions and Answers: Electrical Engineering and Instrumentation - DC Machines

REFER


Construction of DC Machines
Lap Winding
Wave Winding
EMF Equation of DC Generators
Armature reaction
Methods of excitation of the field windings
Methods of Excitation used for DC Generator
Commutation and Interpoles
DC Generator Characteristics
Important short questions and answers: DC Generators
Principle of operation of a D.C. Motor
Working of D.C. Motor
Types of DC Motors
DC Motor Characteristics
Speed Control of DC Shunt Motor: Varying Armature Resistance, Field Resistance
Starting of DC Motors
Three Point Starter: Working principle
Four Point Starter
Swinburne’s Test
Hopkinson’s test: Procedure, Calculation of efficiency, Advantages, Disadvantages
Braking of DC shunt motor
Important Short questions and answers: DC Motor - Electrical machines

UNIT III: AC ROTATING MACHINES


Types, Construction and Working of 3 Phase Induction Motor
Equivalent Circuit of Induction Motor
Construction of Single-Phase Induction Motors
Types of Single Phase Induction Motors and Double Revolving Field Theory
Starting Methods of Induction Motor
Types, Construction and Working Principle of Synchronous Generator or Alternator
Equation of Induced EMF - Synchronous Generator or Alternator
Voltage Regulation - Synchronous Generator or Alternator
Working Principle and Methods of Starting of Synchronous Motors
V Curves
Important Short Questions and Answers: Induction Machines and Synchronous Machines

UNIT IV: MEASUREMENTS AND INSTRUMENTATION


Transducers
Classification of Electrical Transducers
Advantages and Disadvantages of Electrical Transducers
Characteristics of Transducer
Transducer Selection Factors
Resistance Transducers
Resistance Thermometers: Construction, Advantages, Limitations
Thermistors: Construction, Advantages, Limitations
Capacitive Transducers and its Application
Inductive Transducers
Digital Transducers
Static and Dynamic Characteristics of Measurement
Errors in Measurement
Strain gauge: Principle of Working, Materials Used, Applications
Capacitive Transducers
Piezo electric transducer
Variable Inductive Transducers: LVDT and RVDT
Important Short Questions and Answers: Basics of Measurement and Instrumentation

REFER


Fundamental Principles of A.C. Machines
E.M.F. equation of an elementary alternator single phase
E.M.F. equation of an elementary alternator three phase
Relation between speed and frequency
Factors affecting the induced emf (Coil Pitch and Distributed Windings) - Synchronous Generator
Armature Reaction - Synchronous Generator
Synchronous Generators
Open circuit characteristic (OCC) and Short Circuit Characteristics (SCC) of a Synchronous generator
Armature Reaction Reactance - Synchronous Generators
Synchronous reactance
Short Circuit Ratio (SCR) - Synchronous Generator
Load Characteristics - Synchronous Generator
Potier Reactance - Synchronous Generator
Voltage Regulation - Synchronous Generator
Methods of finding Voltage Regulation in Synchronous Generator
Power angle characteristics
Salient pole alternators and Blondel's Two Reaction Theory
Direct-axis and Quadrature-axis Synchronous Reactances
Power Angle Characteristic of Salient Pole Machine
Slip Test
Parallel Operation of Alternators
Synchronizing Current
Effect of Change of Excitation
Effect of Change of Input Torque
Sharing of load when two alternators are in parallel
Prime-mover Governor Characteristic
Important Short Questions and Answers: Synchronous Generator
Synchronous Motors: Construction, Operating Principle, Equivalent Circuit
Phasor Diagram - Synchronous Motors
Torque and Power Relations
V-Curves and Inverted V-Curves
Effect of Changing Field Excitation at Constant Load
Synchronous Condenser and its Advantages, Disadvantages
Methods of starting synchronous motor
Performance Characteristic of Synchronous Motors
Hunting and Damper Winding
Synchronous Induction Motor
Important Short Questions and Answers: Synchronous Motors
Three Phase Induction Motor
Types and Construction of Three Phase Induction Motor
Squirrel cage Induction Motors
Slip ring Induction Motors
Principle of Operation - Three Phase Induction Motor
Rotating Magnetic Field and Induced Voltages
Alternate Analysis for Rotating Magnetic Field
Phasor Diagram of Three Phase Induction Motor
Equivalent Circuit of Three Phase Induction Motor
Power and Torque Relations of Three Phase Induction Motor
Induction Motor Torque
Rotor Output
Circle Diagram - analyse the three phase induction motor performance
Tests to Determine the Equivalent Circuit Parameters - Induction Motor
Construction of Circle Diagram - Induction Motor
Performance Characteristics of Three phase Induction Motor
Operation with Unbalanced Supply Voltage on Polyphase Induction Motors
Important Short Questions and Answers: Three Phase Induction Motor
Methods of Starting Three Phase Induction Motors
Starting of Slip-Ring Induction Motors
Speed control of Three Phase Induction Motors
Changing applied voltage - Speed control of Three Phase Induction Motors
Rotor resistance control - Speed control of Three Phase Induction Motors
Cascade control - Speed control of Three Phase Induction Motors
Pole changing method - Speed control of Three Phase Induction Motors
Stator frequency control - Speed control of Three Phase Induction Motors
Power Stages in an Induction Motor
Double Cage Induction Motor: Construction, Working
Cogging and Crawling of Induction Motor
Induction Generator
Induction Generator advantages, disadvantages and Application
Induction Motor Braking Regenerative Plugging Dynamic
Important Short Questions and Answers: Starting and Speed Control of Three Phase Induction Motor

UNIT V: BASICS OF POWER SYSTEMS

REFER


D.C and A.C Bridges
Wheatstone bridge(Null-type, D.C. bridge)
Deflection-type D.C. bridge
Null-type impedance A.C bridge
Maxwell bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages
Schering Bridge: Definition, Circuit Diagram, Explanation, Advantages
Hay Bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages
Wien bridge: Definition, Circuit Diagram, Explanation, Advantages
Transformer Ratio Bridges & Self-Balancing Bridges
Digital Voltmeter (DVM)
Digital Multi Meter (DMM)
Storage oscilloscope
Wheat stone bridge and Kelvin’s double bridge
Q-Meter
Important Short Questions and Answers: Analog and Digital Instruments

BE8254 2017 Regulation Anna University

UNIT I : AC CIRCUITS AND POWER SYSTEMS


Magnetic Circuits and Magnetic Materials
Laws Governing Magnetic Circuits
Flux Linkage, Inductance and Energy
Statically and Dynamically Induced Emf
Properties of Magnetic Materials
Iron or Core losses
AC Operation of Magnetic Circuits
Transformer as a Magnetically Coupled Circuit
Solved problems - Magnetic Circuits and Magnetic Materials
Important Short Questions and Answers : Electrical machines - Magnetic Circuits and Magnetic Materials

UNIT II : TRANSFORMER


Transformer - Electrical Engineering and Instrumentation
Single Phase Transformer Construction and Principle of Operation
EMF Equation of Transformer
Transformer on No-Load
Transformer on Load
Equivalent Circuit of Transformer
Regulation of Transformer
Transformer Losses and Efficiency
All Day Efficiency of Transformer
Auto Transformer
Solved Problems: Electrical Engineering and Instrumentation - Transformer
Important Short Questions and Answers: Electrical Engineering and Instrumentation - Transformer

REFER


Transformer: Principle of Operation
An ideal Transformer: Principle of Operation
Induction Law - Transformer
Equivalent Circuit of Transformer
Transformer Losses
Transformer Tests
Efficiency of a Transformer
Voltage Regulation of Transformer
Auto Transformer
Three-phase autotransformer connection
Parallel Operation of Transformers
Tap Changing in Transformer
Solved Problems - Transformer - Electrical machines
Important Short Questions and Answers: Electrical machines - Transformer

UNIT III : DC MACHINES


Three Phase Circuits, A Review
Construction of DC Machines
Theory of Operation of DC Generators
Characteristics of DC Generators
Operating Principle of DC Motors and Torque Equation
Types of DC Motors and their Characteristics
Speed Control of DC Motors
Application of DC Motor
Solved Problems: Electrical Engineering and Instrumentation - DC Machines
Important Short Questions and Answers: Electrical Engineering and Instrumentation - DC Machines

REFER


Construction of DC Machines
Lap Winding
Wave Winding
EMF Equation of DC Generators
Armature reaction
Methods of excitation of the field windings
Methods of Excitation used for DC Generator
Commutation and Interpoles
DC Generator Characteristics
Important short questions and answers: DC Generators
Principle of operation of a D.C. Motor
Working of D.C. Motor
Types of DC Motors
DC Motor Characteristics
Speed Control of DC Shunt Motor: Varying Armature Resistance, Field Resistance
Starting of DC Motors
Three Point Starter: Working principle
Four Point Starter
Swinburne’s Test
Hopkinson’s test: Procedure, Calculation of efficiency, Advantages, Disadvantages
Braking of DC shunt motor
Important Short questions and answers: DC Motor - Electrical machines

UNIT IV : AC MACHINES


Types, Construction and Working of 3 Phase Induction Motor
Equivalent Circuit of Induction Motor
Construction of Single-Phase Induction Motors
Types of Single Phase Induction Motors and Double Revolving Field Theory
Starting Methods of Induction Motor
Types, Construction and Working Principle of Synchronous Generator or Alternator
Equation of Induced EMF - Synchronous Generator or Alternator
Voltage Regulation - Synchronous Generator or Alternator
Working Principle and Methods of Starting of Synchronous Motors
V Curves
Important Short Questions and Answers: Induction Machines and Synchronous Machines

REFER


Fundamental Principles of A.C. Machines
E.M.F. equation of an elementary alternator single phase
E.M.F. equation of an elementary alternator three phase
Relation between speed and frequency
Factors affecting the induced emf (Coil Pitch and Distributed Windings) - Synchronous Generator
Armature Reaction - Synchronous Generator
Synchronous Generators
Open circuit characteristic (OCC) and Short Circuit Characteristics (SCC) of a Synchronous generator
Armature Reaction Reactance - Synchronous Generators
Synchronous reactance
Short Circuit Ratio (SCR) - Synchronous Generator
Load Characteristics - Synchronous Generator
Potier Reactance - Synchronous Generator
Voltage Regulation - Synchronous Generator
Methods of finding Voltage Regulation in Synchronous Generator
Power angle characteristics
Salient pole alternators and Blondel's Two Reaction Theory
Direct-axis and Quadrature-axis Synchronous Reactances
Power Angle Characteristic of Salient Pole Machine
Slip Test
Parallel Operation of Alternators
Synchronizing Current
Effect of Change of Excitation
Effect of Change of Input Torque
Sharing of load when two alternators are in parallel
Prime-mover Governor Characteristic
Important Short Questions and Answers: Synchronous Generator
Synchronous Motors: Construction, Operating Principle, Equivalent Circuit
Phasor Diagram - Synchronous Motors
Torque and Power Relations
V-Curves and Inverted V-Curves
Effect of Changing Field Excitation at Constant Load
Synchronous Condenser and its Advantages, Disadvantages
Methods of starting synchronous motor
Performance Characteristic of Synchronous Motors
Hunting and Damper Winding
Synchronous Induction Motor
Important Short Questions and Answers: Synchronous Motors
Three Phase Induction Motor
Types and Construction of Three Phase Induction Motor
Squirrel cage Induction Motors
Slip ring Induction Motors
Principle of Operation - Three Phase Induction Motor
Rotating Magnetic Field and Induced Voltages
Alternate Analysis for Rotating Magnetic Field
Phasor Diagram of Three Phase Induction Motor
Equivalent Circuit of Three Phase Induction Motor
Power and Torque Relations of Three Phase Induction Motor
Induction Motor Torque
Rotor Output
Circle Diagram - analyse the three phase induction motor performance
Tests to Determine the Equivalent Circuit Parameters - Induction Motor
Construction of Circle Diagram - Induction Motor
Performance Characteristics of Three phase Induction Motor
Operation with Unbalanced Supply Voltage on Polyphase Induction Motors
Important Short Questions and Answers: Three Phase Induction Motor
Methods of Starting Three Phase Induction Motors
Starting of Slip-Ring Induction Motors
Speed control of Three Phase Induction Motors
Changing applied voltage - Speed control of Three Phase Induction Motors
Rotor resistance control - Speed control of Three Phase Induction Motors
Cascade control - Speed control of Three Phase Induction Motors
Pole changing method - Speed control of Three Phase Induction Motors
Stator frequency control - Speed control of Three Phase Induction Motors
Power Stages in an Induction Motor
Double Cage Induction Motor: Construction, Working
Cogging and Crawling of Induction Motor
Induction Generator
Induction Generator advantages, disadvantages and Application
Induction Motor Braking Regenerative Plugging Dynamic
Important Short Questions and Answers: Starting and Speed Control of Three Phase Induction Motor

UNIT V : MEASUREMENT AND INSTRUMENTATION


Transducers
Classification of Electrical Transducers
Advantages and Disadvantages of Electrical Transducers
Characteristics of Transducer
Transducer Selection Factors
Resistance Transducers
Resistance Thermometers: Construction, Advantages, Limitations
Thermistors: Construction, Advantages, Limitations
Capacitive Transducers and its Application
Inductive Transducers
Digital Transducers
Static and Dynamic Characteristics of Measurement
Errors in Measurement
Strain gauge: Principle of Working, Materials Used, Applications
Capacitive Transducers
Piezo electric transducer
Variable Inductive Transducers: LVDT and RVDT
Important Short Questions and Answers: Basics of Measurement and Instrumentation

REFER


D.C and A.C Bridges
Wheatstone bridge(Null-type, D.C. bridge)
Deflection-type D.C. bridge
Null-type impedance A.C bridge
Maxwell bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages
Schering Bridge: Definition, Circuit Diagram, Explanation, Advantages
Hay Bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages
Wien bridge: Definition, Circuit Diagram, Explanation, Advantages
Transformer Ratio Bridges & Self-Balancing Bridges
Digital Voltmeter (DVM)
Digital Multi Meter (DMM)
Storage oscilloscope
Wheat stone bridge and Kelvin’s double bridge
Q-Meter
Important Short Questions and Answers: Analog and Digital Instruments

BE8254 Basic Electrical and Instrumentation Engineering - Anna University 2017 Regulation Syllabus - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - Question Bank - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - UNIT I AC CIRCUITS AND POWER SYSTEMS important questions - Download Pdf


BE8254 Basic Electrical and Instrumentation Engineering - UNIT II TRANSFORMER important questions - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - UNIT V MEASUREMENT AND INSTRUMENTATION important questions - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - 16 marks Important Questions - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - UNIT II TRANSFORMER - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - UNIT III DC MACHINES important questions - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - UNIT III DC MACHINES - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - UNIT IV AC MACHINES important questions - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - UNIT IV AC MACHINES - Download Pdf
BE8254 Basic Electrical and Instrumentation Engineering - UNIT V MEASUREMENT AND INSTRUMENTATION - Download Pdf
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