[Pdf] #1: EM Notes – Electrical Measurements Notes Pdf Free Download

EM Pdf notes – Here you can get lecture notes of Electrical Measurements pdf notes with unit wise topics. Here we have listed different units wise downloadable links of Electrical Measurements notes where you can click to download respectively.

Here you can download the free lecture Notes of Electrical Measurements Pdf Notes – EM Pdf Notes materials with multiple file links. The Electrical Measurements Notes Pdf – EM Notes Pdf book starts with the topics covering control and damping torques, design considerations Type of P.F. Meters, Double element and three element dynamometer wattmeter,  errors and compensations, Measurement of unknown resistance, Method of measuring low, Measurement of inductance, Ballistic galvanometer, Etc.

Electrical Measurements Notes - EM Notes - EM Pdf Notes
Electrical Measurements Notes Pdf – EM Notes Pdf

Electrical Measurements Notes Pdf – EM Notes Pdf

The Electrical Measurements Notes Objective :

Electrical measurements course introduces the basic principles of all measuring instruments. It also deals with the measurement of RLC parameters voltage, current Power factor, power, energy and magnetic measurements.

Electrical Measuremente Notes

All the Subject notes link

Complete notes:

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UNIT-I

Measuring Instruments

  • moving iron type instruments – expression for the deflecting torque and control torque.
  • Errors and compensations, extension of range using shunts and series resistance.
  • Electrostatic Voltmeters-electrometer type and attracted disc type – Extension of range of E.S. Voltmeters.
  • Classification – deflecting, control and damping torques.
  • Ammeters and Voltmeters – PMMC.

UNIT –II

Instrument transformers

  • CT and PT – ratio and phase angle errors.
  • resonance type and Weston type – synchroscopes.
  • design considerations Type of P.F. Meters.
  • dynamometer and moving iron type – 1-ph and 3-ph meters – Frequency meters.

Electrical Measurements Notes Pdf – EM Notes Pdf

UNIT –III

Measurement of Power

  • Extension of range of wattmeter using instrument transformers.
  • Single phase dynamometer wattmeter, LPF and UPF, Double element and three element dynamometer wattmeter.
  • expression for deflecting and control torques.
  • Measurement of active and reactive powers in balanced and unbalanced systems.

UNIT –IV

Measurement of Energy

  • testing by phantom loading using R.S.S. meter. Three phase energy meter.
  • Single phase induction type energy meter.
  • driving and braking torques – errors and compensations.
  • trivector meter, maximum demand meters.

Electrical Measurements Notes Pdf (EM Notes)

UNIT – V

Potentiometers

  • Principle and operation of D.C. Crompton’s potentiometer – standardization.
  • A.C. Potentiometers: polar and coordinate types standardization – applications.
  • Measurement of unknown resistance, current, voltage.

UNIT – VI

Resistance Measurements

  • Kelvin’s double bridge for measuring low resistance, measurement of high resistance
  • loss of charge method.
  • Method of measuring low, medium and high resistance
  • sensitivity of Wheatstone’s bridge – Carey Foster’s bridge

UNIT –VII

A.C. Bridges

  • Measurement of inductance, Quality Factor
  • Maxwell’s bridge, Hay’s bridge, Anderson’s bridge, Owen’s bridge.
  • Measurement of capacitance and loss angle – Desauty bridge.
  • Wien’s bridge – Schering Bridge.

UNIT – VIII

Magnetic Measurements:

Ballistic galvanometer – equation of motion – flux meter – constructional details, comparison with ballistic galvanometer.

TEXT BOOK:

  1. Electrical Measurements and measuring Instruments – by E.W. Golding and F.C. Widdis, fifth Edition, Wheeler Publishing.
  2. Electrical & Electronic Measurement & Instruments by A.K.Sawhney Dhanpat Rai & Co. Publications.

REFERENCE BOOKS:

  1. Electrical Measurements – by Buckingham and Price, Prentice – Hall
  2. The Electrical Measurements by Harris.
  3. Electrical Measurements: Fundamentals, Concepts, Applications – by Reissland, M.U, New Age International (P) Limited, Publishers.

Note :- These notes are according to the R09 Syllabus book of JNTUH. In R13 ,8-units of R09 syllabus are combined into 5-units in r13 syllabus.Click here to check all the JNTU Syllabus books 

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