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SYLLABUS
SYLLABUS
MODULE 1
Measurement standards–Errors-Types of Errors- Statistics of errors, Need for calibration.
Classification of instruments, secondary instruments–indicating, integrating and recording- operating forces - essentials of indicating instruments - deflecting, damping, controlling torques.
Ammeters and voltmeters - moving coil, moving iron, constructional details and operation, principles shunts and multipliers – extension of range.
The above video explains Part 1 of syllabus overview & expected questions of EET 203 Measurements and Instrumentation of S3 EEE students
The above video explains Part 2 of syllabus overview & expected questions of EET 203 Measurements and Instrumentation of S3 EEE students
MODULE 2
Measurement of power: Dynamometer type wattmeter –Construction and working - 3- phase power measurement-Low Powerfactor wattmeters.
Measurement of energy: Induction type watt-hour meters- Single phase energy meter – construction and working, two element three phase energy meters,
Digital Energymeters -Time of Day(TOD) and Smart metering (description only).
Current transformers and potential transformers – principle of working -ratio and phase angle errors.
Extension of range using instrument transformers, Hall effect multipliers.
MODULE 3
Classification, measurement of low, medium and high resistance- Ammeter voltmeter method(for low and medium resistance measurements)-Kelvin’s double bridge- Wheatstones bridge- loss of charge method, measurement of earth resistance.
Measurement of self inductance-Maxwell’s Inductance bridge, Measurement of capacitance –Schering’s, Measurement of frequency-Wien’s bridge.
Calibration of Ammeter, Voltmeter and Wattmeter using DC potentiometers.
High voltage and high current in DC measurements- voltmeters, Sphere gaps, DC Hall effect sensors.
MODULE 4
Magnetic Measurements: Measurement of flux and permeability - flux meter, BH curve and permeability measurement - hysteresis measurement- ballistic galvanometer – principle- determination of BH curve - hysteresis loop. Lloyd Fisher square — measurement of iron losses.
Measurement luminous intensity-Photoconductive Transducers-Photovoltaic cells
Temperature sensors-Resistance temperature detectors-negative temperature coefficient Thermistors-thermocouples-silicon temperature sensors.
MODULE 5
Transducers - Definition and classification. LVDT, Electromagnetic and Ultrasonic flow meters, Piezoelectric transducers-modes of operation-force transducer, Load cell, Strain gauge.
Oscilloscopes- Principal of operation of general purpose CRO-basics of vertical and horizontal deflection system, sweep generator etc. DSO-Characteristics-Probes and Probing techniques.
Digital voltmeters and frequency meters using electronic counters, DMM, Clamp on meters.
Phasor Measurement Unit (PMU) (description only).
Introduction to Virtual Instrumentation systems- Simulation software’s (description only)
TEXTBOOK
1. Sawhney A.K., A course in Electrical and Electronic Measurements & instrumentation, DhanpatRai.
2. J. B. Gupta, A course in Electrical & Electronic Measurement & Instrumentation., S K Kataria& Sons
3. Kalsi H. S., Electronic Instrumentation, 3/e, Tata McGraw Hill, New Delhi, 2012
4. S Tumanski, Principles of electrical measurement, Taylor & Francis.
5. David A Bell, Electronic Instrumentation and Measurements,3/e, Oxford
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