Course Details
Subject {L-T-P / C} : EE2003 : Electrical Measurement and Instrumentation { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Arnab Ghosh
Syllabus
• Module 1: Per- Measurement of Electrical Quantities (3 hours)
o Standards of Measurement & Errors
o Voltmeter, Ammeter, Wattmeter, and Energy meter
• Module 2: Measurement of Electrical Elements: (7 hours)
o Measurement of low, medium and high resistances, insulation resistance measurement
o AC bridges for inductance and capacitance measurement
• Module 3: Instrument Transformers (8 hours)
o Current transformers, ratio and phase angle errors
o Potential transformers, ratio and phase angle errors
• Module 4: Power & Energy (8 hours)
o Wattmeter.
o Energy meter
o Potentiometer
• Module 5: Electronic Measurements (8 hours)
o Electronic voltmeter, multimeter, wattmeter & energy meter.
o Time, Frequency and phase angle measurements using CRO Spectrum & Wave analyzer
o Digital counter, frequency meter, voltmeter, multimeter, and storage oscilloscope
• Module 6: Instrumentation (6 hours)
o Transducers, classification & selection of transducers, strain gauges, inductive & capacitive transducers, piezoelectric and Hall-effect transducers, thermistor, thermocouple, photo-diodes & photo-transistors, encoder type digital transducers, Signal conditioning and telemetry, basic concepts of smart sensors and applications.
o Data Acquisition Systems.
Course Objectives
- Comprehend the standards of measurements, errors and methods to reduce them.
- Understand the constructional details and principle of operation of basic analog and digital measuring instruments.
- To understand the working and applications of various transducers and data acquisition devices.
Course Outcomes
At the end of the course, the student will be able to
1. Investigate the necessary precautions to reduce the errors in measurements of engineering parameters and knowledge for the constructions of Ammeter, Voltmeter etc.
2. Measure unknown electrical elements like as resistance, inductance, capacitance etc.
3. Calculate ratio and phase errors in instrumentation transformers and apply necessary correction.
4. Measure power and energy for balanced and unbalanced condition in electrical circuit.
5. Determine the operating principal and applications of various electronics instruments used in engineering.
6. Comprehend signal conditioning and data acquisition systems and apply this knowledge to virtual instrumentation.
Essential Reading
- A. K. Sawhney, Electrical and Electronics Measurements and Instrumentation, Dhanpat Rai , 2003
- W. D. Cooper and A. P. Helpric, Modern Electronic Instrumentation & Measurement Techniques, PHI , 1990
Supplementary Reading
- J. P. Bentley, Principles of Measurement Systems, Longman Group Ltd. (Pearson Education) , 1995
- M. Tooley, PC Based Instrumentation and Control, Newnes , 1997