Go to All Subject -

## Department: 1st year 2017 regulation sylabus

**Basic Electrical and Instrumentation Engineering** - BE8254

## Online Study Material, Lecturing Notes, Assignment, Reference, Wiki and important questions and answers

**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