Electrical Measurements & Measuring Instruments

Electrical Measurements & Measuring Instruments

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Philosophy of Measurement : Methods of measurement, Measurement system, Classification of instrument system, Characteristic of instrument and measurement system, Errors in measurement and its analysis, Standards.Analog Measurement of Electrical Quantities : Electrodynamic, Thermocouple electrostatic and rectifier type ammeters and voltmeters, Electrodynamic wattmeter, Three phase wattmeter, Power in three phase system, Errors and remedies in wattmeter and energy meter.Instrument transformer and their application in the extension of instrument range, Introduction to measurement of speed, Frequency and power factor.Measurement of Parameter : Different methods of measuring low, Medium and high resistances, Measurement of inductance and capacitance with the help of A.C. bridge, Q meter.A.C. Potentiometer : Polar type and co-ordinate type A.C. potentiometer, Application of A.C. potentiometers in electrical measurement.Magnetic Measurement : Ballistic galvanometer, Flux meter, Determination of hysteresis loop, Measurement of iron losses.Digital Measurement of Electrical Quantities : Concept of digital measurement, Block diagram study of digital voltmeter, Frequency meter, Power analyzer and harmonics analyzer, Electronic multimeter.Cathode Ray Oscilloscope : Basic CRO circuit (Block diagram), Cathode ray tube (CRT) and its component, Application of CRO in measurement, Lissajous pattern, Dual trace and dual beam oscilloscope.Explain analog frequency meter with the help of block diagram. 12. Write advantages and ... Explain the principle of digital frequency meter. 14. Explain digital ... Explain the working of an electronic analog multimeter. 24. Explain briefly withanbsp;...

Title:Electrical Measurements & Measuring Instruments
Author:K.A.Bakshi A.V.Bakshi U.A.Bakshi
Publisher:Technical Publications - 2007-01-01


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