Electrical Measurements & Measuring Instruments

Front Cover
Technical Publications, 2007 - Electric measurements - 506 pages
7 Reviews
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.
 

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Contents

Chapters 1
1-1
Chapter8 Cathode Ray Oscilloscope 8 1 to 8
1-8
vi
1-72
Chapter 2 Analog Measurement of Electrical Quantities 2 1 to 2 112
1-77
Chapter 3 Instrument Transformers and Other Instruments 31 to 3
2-66
Chatper 4 Measurement of R L and C 4 1 to 4
4-1
Chapter5 A C Potentiometer 51 to 514
5-1
Unit II Chapter
6-3
Chapter 6 Magnetic Measurement 61 to 642
6-6
Chapter 7 Digital Measurement of Electrical Quantities 7 1 to 7
6-43
Unit V Chapters 7
8-7

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