CSVTU EE Electrical Measurements And Measuring Instruments Syllabus

CSVTU EE Electrical Measurements And Measuring Instruments Syllabus

CHHATISGARH SWAMI VIVEKANAND TECHNICAL UNIVERSITY, BHILAI (C.G.)

Semester: IV Branch: Electrical

Subject: Electrical Measurements And Measuring Instruments

Total Theory Periods: 40 Total Tut Periods: 12

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.

UNIT IV: Measuring Instruments

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.

Text Books:

1. “

A Course In Electrical And Electronics Measurement And Instrumentation”,

Sawhney, Dhanpat Rai Pbs.

2. “

Electrical Measurement And Measuring Instruments”, Golding, CBS

Reference books:

1. “

A Course In Electrical And Electronics Measurement And Instrumentation”, J. B.

Gupta. Kataria Pbs.

2. “

Electric Measurements”, Harris.

CHHATISGARH

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