Module 1
Units and Dimensions: SI Units – Dimensions of Electrical quantities – dimensional equations.
Magnetic Measurements: Theory of Ballistic galvanometer – Flux meter – Lloyd Fischer Square.
Units and Dimensions: SI Units – Dimensions of Electrical quantities – dimensional equations.
Magnetic Measurements: Theory of Ballistic galvanometer – Flux meter – Lloyd Fischer Square.
Module 2
Measurement of Voltage: Potentiometers – slide-wire, Precision slide-wire, Vernier potentiometer – Calibration of Ammeter, Voltmeter and Wattmeter using potentiometer- AC potentiometer.
Measurement of Resistance: Low, medium, high – Wheatstone bridge- Kelvin’s double bridge – Insulation Megger – Earth Megger.
Measurement of Voltage: Potentiometers – slide-wire, Precision slide-wire, Vernier potentiometer – Calibration of Ammeter, Voltmeter and Wattmeter using potentiometer- AC potentiometer.
Measurement of Resistance: Low, medium, high – Wheatstone bridge- Kelvin’s double bridge – Insulation Megger – Earth Megger.
Module 3
AC Bridges: Maxwell’s bridge – Hay’s bridge, Wien’s bridge, Anderson Bridge, High voltage Schering Bridge. (Analysis and Phasor diagram required)
AC Bridges: Maxwell’s bridge – Hay’s bridge, Wien’s bridge, Anderson Bridge, High voltage Schering Bridge. (Analysis and Phasor diagram required)
Module 4
Instrument Transformers: Principle of Current and Potential transformers – Phasor diagram – nominal ratio – phase angle error, Ratio error – Constructional features and applications.
Error Analysis in Measurements: Source of error – Instruments errors – Human errors – Environmental errors – Combination of errors – Mean and variance – Standard deviation – Limits of error.
Instrument Transformers: Principle of Current and Potential transformers – Phasor diagram – nominal ratio – phase angle error, Ratio error – Constructional features and applications.
Error Analysis in Measurements: Source of error – Instruments errors – Human errors – Environmental errors – Combination of errors – Mean and variance – Standard deviation – Limits of error.
Module 5
Illumination measurements: Units of illumination – laws of illumination – polar curves – Determination of MSCP and MHCP – Integrating meters – Lumer Brodhern type.
Temperature measurement: Thermoelectric effects, laws of thermoelectric circuits – common thermocouples.
Illumination measurements: Units of illumination – laws of illumination – polar curves – Determination of MSCP and MHCP – Integrating meters – Lumer Brodhern type.
Temperature measurement: Thermoelectric effects, laws of thermoelectric circuits – common thermocouples.
References
1. Electrical Measurements and Measuring Instruments – Golding E.W, Wheeler and Co., 1991.
2. Electrical and Electronic Instrumentation and Measurements – Sawhney A.K, Dhanpat Rai and Co., 1992.
3. Modern Electronic Instrumentation and measurement Technique – Albert D. Helfrick and William D. Cooper, PHI, 1992.
2. Electrical and Electronic Instrumentation and Measurements – Sawhney A.K, Dhanpat Rai and Co., 1992.
3. Modern Electronic Instrumentation and measurement Technique – Albert D. Helfrick and William D. Cooper, PHI, 1992.
mgu university b.tech electrical S3 syllabus MEAS