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Basic Electrical and Instrumentation Engineering - BE8254
Online Study Material, Lecturing Notes, Assignment, Reference, Wiki and important questions and answers
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Anna University
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Anna University ECE
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Engineering
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Electronics Engineering
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UNIT I : AC CIRCUITS AND POWER SYSTEMS
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Magnetic Circuits and Magnetic Materials
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Laws Governing Magnetic Circuits
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Flux Linkage, Inductance and Energy
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Statically and Dynamically Induced Emf
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Properties of Magnetic Materials
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Iron or Core losses
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AC Operation of Magnetic Circuits
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Transformer as a Magnetically Coupled Circuit
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Solved problems - Magnetic Circuits and Magnetic Materials
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Important Short Questions and Answers : Electrical machines - Magnetic Circuits and Magnetic Materials
UNIT II : TRANSFORMER
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Transformer - Electrical Engineering and Instrumentation
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Single Phase Transformer Construction and Principle of Operation
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EMF Equation of Transformer
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Transformer on No-Load
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Transformer on Load
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Equivalent Circuit of Transformer
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Regulation of Transformer
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Transformer Losses and Efficiency
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All Day Efficiency of Transformer
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Auto Transformer
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Solved Problems: Electrical Engineering and Instrumentation - Transformer
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Important Short Questions and Answers: Electrical Engineering and Instrumentation - Transformer
REFER
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Transformer: Principle of Operation
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An ideal Transformer: Principle of Operation
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Induction Law - Transformer
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Equivalent Circuit of Transformer
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Transformer Losses
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Transformer Tests
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Efficiency of a Transformer
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Voltage Regulation of Transformer
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Auto Transformer
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Three-phase autotransformer connection
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Parallel Operation of Transformers
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Tap Changing in Transformer
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Solved Problems - Transformer - Electrical machines
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Important Short Questions and Answers: Electrical machines - Transformer
UNIT III : DC MACHINES
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Three Phase Circuits, A Review
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Construction of DC Machines
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Theory of Operation of DC Generators
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Characteristics of DC Generators
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Operating Principle of DC Motors and Torque Equation
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Types of DC Motors and their Characteristics
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Speed Control of DC Motors
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Application of DC Motor
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Solved Problems: Electrical Engineering and Instrumentation - DC Machines
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Important Short Questions and Answers: Electrical Engineering and Instrumentation - DC Machines
REFER
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Construction of DC Machines
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Lap Winding
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Wave Winding
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EMF Equation of DC Generators
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Armature reaction
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Methods of excitation of the field windings
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Methods of Excitation used for DC Generator
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Commutation and Interpoles
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DC Generator Characteristics
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Important short questions and answers: DC Generators
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Principle of operation of a D.C. Motor
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Working of D.C. Motor
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Types of DC Motors
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DC Motor Characteristics
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Speed Control of DC Shunt Motor: Varying Armature Resistance, Field Resistance
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Starting of DC Motors
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Three Point Starter: Working principle
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Four Point Starter
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Swinburne’s Test
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Hopkinson’s test: Procedure, Calculation of efficiency, Advantages, Disadvantages
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Braking of DC shunt motor
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Important Short questions and answers: DC Motor - Electrical machines
UNIT IV : AC MACHINES
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Types, Construction and Working of 3 Phase Induction Motor
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Equivalent Circuit of Induction Motor
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Construction of Single-Phase Induction Motors
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Types of Single Phase Induction Motors and Double Revolving Field Theory
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Starting Methods of Induction Motor
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Types, Construction and Working Principle of Synchronous Generator or Alternator
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Equation of Induced EMF - Synchronous Generator or Alternator
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Voltage Regulation - Synchronous Generator or Alternator
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Working Principle and Methods of Starting of Synchronous Motors
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V Curves
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Important Short Questions and Answers: Induction Machines and Synchronous Machines
REFER
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Fundamental Principles of A.C. Machines
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E.M.F. equation of an elementary alternator single phase
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E.M.F. equation of an elementary alternator three phase
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Relation between speed and frequency
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Factors affecting the induced emf (Coil Pitch and Distributed Windings) - Synchronous Generator
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Armature Reaction - Synchronous Generator
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Synchronous Generators
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Open circuit characteristic (OCC) and Short Circuit Characteristics (SCC) of a Synchronous generator
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Armature Reaction Reactance - Synchronous Generators
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Synchronous reactance
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Short Circuit Ratio (SCR) - Synchronous Generator
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Load Characteristics - Synchronous Generator
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Potier Reactance - Synchronous Generator
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Voltage Regulation - Synchronous Generator
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Methods of finding Voltage Regulation in Synchronous Generator
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Power angle characteristics
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Salient pole alternators and Blondel's Two Reaction Theory
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Direct-axis and Quadrature-axis Synchronous Reactances
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Power Angle Characteristic of Salient Pole Machine
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Slip Test
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Parallel Operation of Alternators
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Synchronizing Current
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Effect of Change of Excitation
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Effect of Change of Input Torque
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Sharing of load when two alternators are in parallel
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Prime-mover Governor Characteristic
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Important Short Questions and Answers: Synchronous Generator
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Synchronous Motors: Construction, Operating Principle, Equivalent Circuit
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Phasor Diagram - Synchronous Motors
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Torque and Power Relations
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V-Curves and Inverted V-Curves
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Effect of Changing Field Excitation at Constant Load
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Synchronous Condenser and its Advantages, Disadvantages
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Methods of starting synchronous motor
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Performance Characteristic of Synchronous Motors
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Hunting and Damper Winding
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Synchronous Induction Motor
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Important Short Questions and Answers: Synchronous Motors
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Three Phase Induction Motor
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Types and Construction of Three Phase Induction Motor
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Squirrel cage Induction Motors
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Slip ring Induction Motors
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Principle of Operation - Three Phase Induction Motor
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Rotating Magnetic Field and Induced Voltages
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Alternate Analysis for Rotating Magnetic Field
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Phasor Diagram of Three Phase Induction Motor
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Equivalent Circuit of Three Phase Induction Motor
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Power and Torque Relations of Three Phase Induction Motor
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Induction Motor Torque
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Rotor Output
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Circle Diagram - analyse the three phase induction motor performance
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Tests to Determine the Equivalent Circuit Parameters - Induction Motor
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Construction of Circle Diagram - Induction Motor
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Performance Characteristics of Three phase Induction Motor
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Operation with Unbalanced Supply Voltage on Polyphase Induction Motors
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Important Short Questions and Answers: Three Phase Induction Motor
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Methods of Starting Three Phase Induction Motors
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Starting of Slip-Ring Induction Motors
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Speed control of Three Phase Induction Motors
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Changing applied voltage - Speed control of Three Phase Induction Motors
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Rotor resistance control - Speed control of Three Phase Induction Motors
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Cascade control - Speed control of Three Phase Induction Motors
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Pole changing method - Speed control of Three Phase Induction Motors
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Stator frequency control - Speed control of Three Phase Induction Motors
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Power Stages in an Induction Motor
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Double Cage Induction Motor: Construction, Working
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Cogging and Crawling of Induction Motor
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Induction Generator
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Induction Generator advantages, disadvantages and Application
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Induction Motor Braking Regenerative Plugging Dynamic
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Important Short Questions and Answers: Starting and Speed Control of Three Phase Induction Motor
UNIT V : MEASUREMENT AND INSTRUMENTATION
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Transducers
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Classification of Electrical Transducers
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Advantages and Disadvantages of Electrical Transducers
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Characteristics of Transducer
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Transducer Selection Factors
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Resistance Transducers
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Resistance Thermometers: Construction, Advantages, Limitations
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Thermistors: Construction, Advantages, Limitations
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Capacitive Transducers and its Application
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Inductive Transducers
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Digital Transducers
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Static and Dynamic Characteristics of Measurement
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Errors in Measurement
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Strain gauge: Principle of Working, Materials Used, Applications
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Capacitive Transducers
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Piezo electric transducer
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Variable Inductive Transducers: LVDT and RVDT
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Important Short Questions and Answers: Basics of Measurement and Instrumentation
REFER
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D.C and A.C Bridges
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Wheatstone bridge(Null-type, D.C. bridge)
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Deflection-type D.C. bridge
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Null-type impedance A.C bridge
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Maxwell bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages
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Schering Bridge: Definition, Circuit Diagram, Explanation, Advantages
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Hay Bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages
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Wien bridge: Definition, Circuit Diagram, Explanation, Advantages
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Transformer Ratio Bridges & Self-Balancing Bridges
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Digital Voltmeter (DVM)
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Digital Multi Meter (DMM)
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Storage oscilloscope
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Wheat stone bridge and Kelvin’s double bridge
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Q-Meter
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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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