RGPV THIRD SEM ELECTRICAL AND ELECTRONICS MEASUREMENTS AND MEASURING INSTRUMENT

Mahendra EEE

 RAJIV GANDHI PROUDYOGIKI VISWAVIDYALAYA, BHOPAL

DIPLOMA IN ELECTRICAL ENGINEERINGSEMESTER: THIRD

COURSE CODE: 304

NAME OF COURSE: ELECTRICAL AND

ELECTRONICS MEASUREMENTS AND

MEASURING INSTRUMENT

www.mahendraeee.com                https://t.me/ElectricalEEE2020

S.No.                           COURSE CONTENTS                         Hours of Study

1 Classification of measuring instruments, Indicating, recording and

integrating types of meters. Errors and types of errors, accuracy,

precision and sensitivity,.

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2 Electrical measuring instruments - Construction, operation.

Deflecting, controlling and damping forces, supporting systems,

moving coil, electrodynamometer, moving iron and induction type

instruments, simple numerical. Hot wire type instruments, vibration

galvanometer, shunt and multipliers, CT & PT.

10

3 Wattmeter and Energy meters –

Dynamometer and induction type wattmeter, Induction type energy

meters. measurement of 1-phase and 3-phase power in balanced

and unbalanced load condition, 3 phase wattmeter.

10

4 Measurement of resistance –

Classification of resistance, measurement of low, medium, and high

resistance. Kelvin’s double bridge, wheat–stone bridge, Ammeter,

voltmeter method and ohmmeter, multimeter, megger. Importance

of earth resistance, Earth tester.

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5 A. C. Bridges –

Measurement of inductance and capacitance by A.C. bridges.

Maxwell, Anderson, Hays, Desauty and Wien’s bridge. (no phasor

diagram

6 Additional measuring instruments –

Electrical resonance, Weston and vibration reed frequency meter,

dynamometer power factor meter, Weston synchroscope, Merz

price maximum demand meter, Rotating type phase sequence

indicator.

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7 Magnetic measurement –

Balastic galvanometer, measurement of flux by B.G. Gressort flux

meter, determination of hysteresis loop for ring and bar specimen.

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8 Dielectric measurement. Meaning of dielectric loss, its importance,

methods of measurement of dielectric loss by Wattmeter, C.R.O.

Schering bridge.

6

9 Cathode Ray Oscilloscope –

CRT, Electrostatic and magnetic deflection, time base X and Y

amplifiers, controls on the C.R.O. Dual beam oscilloscope. Digital

storage and multi-channel CRO .

4

10 Electronic Instruments -

Transistor volt meter, FETVM, balanced bridge, specification of

electronic voltmeter. Single and three phase electronic energy

meters, mili-voltmeter and micro-volt meters.

8

11   Digital instruments –

Digital voltmeters- types, specifications. Digital multimeters.

Counter / timers. Universal indicators for voltage, current,

frequency, power, power factor, temperature, humidity etc. Digital

tachometers (Contact & non Contact type). Digital controllers.  

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