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Anna University · Regulation 2021

BE 3254 Electrical and Instrumentation Engineering question papers

BE3254 Electrical and Instrumentation Engineering previous year question papers from Anna University (Regulation 2021), with the full syllabus. Read online or download the PDF.

Second semester · Core · L T P C: 3 0 0 3

Question papers

Syllabus

  1. Unit 1: Transformer9 hours

    Introduction · Ideal and Practical Transformer · Phasor diagram · Per Unit System · Equivalent circuit · Testing · Efficiency and Voltage Regulation · Three Phase Transformers · Applications · Auto Transformers · Advantages · Harmonics

  2. Unit 2: DC Machines9 hours

    Introduction · Constructional Features · Motor and Generator mode · EMF and Torque equation · Circuit Model · Methods of Excitation · Characteristics · Starting and Speed Control · Universal Motor · Stepper Motors · Brushless DC Motors · Applications

  3. Unit 3: AC Rotating Machines9 hours

    Principle of operation of three-phase induction motors · Construction · Types · Equivalent circuit · Speed Control · Single phase Induction motors · Construction · Types · starting methods · Alternator: Working principle · Equation of induced EMF · Voltage regulation · Synchronous motors · working principle · starting methods · Torque equation

  4. Unit 4: Measurements and Instrumentation9 hours

    Functional elements of an instrument · Standards and calibration · Operating Principle · types -Moving Coil and Moving Iron meters · Measurement of three phase power · Energy Meter · Instrument Transformers-CT and PT · DSO- Block diagram- Data acquisition

  5. Unit 5: Basics of Power Systems9 hours

    Power system structure · Generation · Transmission and distribution · Various voltage levels · Earthing · methods of earthing · protective devices · switch fuse unit · Miniature circuit breaker · moulded case circuit breaker · earth leakage circuit breaker · safety precautions and First Aid