CSVTU IV Sem Electrical Measurement And Measuring Instruments Syllabus
CHHATISGARH SWAMI VIVEKANAND TECHNICAL UNIVERSITY, BHILAI (C.G.)
Semester: 4th Branch: Electrical & Electrionics Engg.
Subject:Electrical Measurements And Measuring Instruments
Total Theory Periods: 40
Total Marks in End Semester Exam: 80
Minimum number of Class tests to be conducted: 2
UNIT I: Measurement Of Resistance
Classification of resistances (low, medium and high), measurement of resistance by volt drop method, loss of charge method, Wheatstone’s bridge, Kelvin’s double bridge, Megger and ohmmeter, AC Potentiometers and their use for calibration of meters (ammeter, voltmeter and wattmeter).
UNIT II: AC Bridges
Measurement of inductance (self and mutual) and capacitance by AC bridges: Hay’s, Maxwell’s, Anderson and Heaviside bridge and its modification, Wein’s bridge for measurement of frequency, Wagner earthing device.
UNIT III: Detectors And Magnetic Measurement Construction, theory and operation of D’Arsonval vibration galvanometer, flux meter, types of suspension method, measurement of BH flux by Lloyd Fisher Square and by CRO, determination of iron loss and permeability by AC potentiometer.
Classification, operation and working principle of PMMC, MI and dynamometer type instruments, controlling, damping and balancing devices, single-phase and three-phase electrodynamometer power factor meter, frequency meters: electrical resonance type, electrodynamometer, ratio-meter type. Phase sequence meter, maximum demand indicator, tri-vector detector meter.
UNIT V: Power And Energy Measurement
Construction and principle of operation of dynamometer and induction type wattmeter, measurement of power in a three-phase circuit by using single-phase wattmeter, wattmeter errors, low power factor wattmeter, testing of wattmeter, single and poly-phase energy meters, testing of energy meters.
1. “ A Course In Electrical And Electronics Measurement And Instrumentation ”, Sawhney, Dhanpat Rai Pbs.
2. “ Electrical Measurement And Measuring Instruments ”, Golding, CBS
1. “ A Course In Electrical And Electronics Measurement And Instrumentation ”, J. B. Gupta. Kataria Pbs.
2. “ Electric Measurements ”, Harris.