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 Pdf Notes – EM Pdf Notes
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
Complete notes:
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UNIT-I
Measuring Instruments
Classification – deflecting, control and damping torques – Ammeters and Voltmeters – PMMC, 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.
UNIT –II
Instrument transformers
CT and PT – Ratio and phase angle errors – design considerations Type of P.F. Meters – dynamometer and moving iron type – 1-ph and 3-ph meters – Frequency meters – resonance type and Weston type – synchroscopes.
UNIT –III
Measurement of Power
Single phase dynamometer wattmeter, LPF and UPF, Double element and three element dynamometer wattmeter, expression for deflecting and control torques – Extension of range of wattmeter using instrument transformers – Measurement of active and reactive powers in balanced and unbalanced systems.
UNIT –IV
Measurement of Energy
Single phase induction type energy meter – driving and braking torques – errors and compensations – testing by phantom loading using R.S.S. meter. Three phase energy meter – trivector meter, maximum demand meters.
Electrical Measurements Notes Pdf (EM Notes)
UNIT – V
Potentiometers
Principle and operation of D.C. Crompton’s potentiometer – standardization – Measurement of unknown resistance, current, voltage.
A.C. Potentiometers: polar and coordinate types standardization – applications.
UNIT – VI
Resistance Measurements
Method of measuring low, medium and high resistance – sensitivity of Wheatstone’s bridge – Carey Foster’s bridge, Kelvin’s double bridge for measuring low resistance, measurement of high resistance – loss of charge method.
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:
- Electrical Measurements and measuring Instruments – by E.W. Golding and F.C. Widdis, fifth Edition, Wheeler Publishing.
- Electrical & Electronic Measurement & Instruments by A.K.Sawhney Dhanpat Rai & Co. Publications.
REFERENCE BOOKS:
- Electrical Measurements – by Buckingham and Price, Prentice – Hall
- The Electrical Measurements by Harris.
- 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
Electrical Measurements (EM) Notes Pdf – JNTUH | B.Tech Notes 2024
If you’re looking for comprehensive Electrical Measurements (EM) notes, you’re in the right place! Here, we provide Electrical Measurements Notes Pdf that cover all the essential topics you need to excel in this subject. These notes are ideal for JNTUH (Jawaharlal Nehru Technological University Hyderabad) students, as well as other universities that follow similar syllabuses.
EM Notes Pdf
The Electrical Measurements Notes Pdf covers key topics like measuring instruments, power measurement, resistance measurement, A.C. bridges, and much more. These notes are designed to help students understand the fundamental principles of electrical measurements.
Electrical Measurements Pdf Lecture Notes – JNTUH
The EM Pdf Notes are tailored to the JNTUH syllabus for B.Tech 2024. These notes provide a deep understanding of various measuring instruments and techniques used in electrical engineering, making them essential for both exam preparation and practical applications.
Electrical Measurements Notes, PDF | EM B.Tech (2024)
Here’s your guide to downloading Electrical Measurements Notes Pdf, with direct links to the latest and most relevant materials for each unit.
Description
The Electrical Measurements (EM) course is designed to introduce students to the basic principles of various measuring instruments. This course covers the measurement of RLC parameters, voltage, current, power factor, power, energy, and magnetic measurements. It is a core subject in electrical engineering that lays the foundation for understanding and analyzing electrical systems.
Overview of EM Notes Pdf
These EM Notes Pdf cover all the essential topics in a clear and organized manner. Each unit includes detailed explanations, numerical examples, and practical insights to help students grasp the core concepts effectively.
The following topics are covered in the Electrical Measurements handwritten Notes
- Measuring Instruments
- Instrument Transformers
- Measurement of Power
- Measurement of Energy
- Potentiometers
- Resistance Measurements
- A.C. Bridges
- Magnetic Measurements
Links to download EM Notes Pdf
Download the Electrical Measurements Notes Pdf for each unit from the links provided below.
- Complete Notes
Download Complete EM Notes here - Unit 1: Measuring Instruments
Download EM Unit – 1 Notes - Unit 2: Instrument Transformers
Download EM Unit – 2 Notes - Unit 3: Measurement of Power
Download EM Unit – 3 Notes - Unit 4: Measurement of Energy
Download EM Unit – 4 Notes - Unit 5: Potentiometers
Download EM Unit – 5 Notes - Unit 6: Resistance Measurements
Download EM Unit – 6 Notes - Unit 7: A.C. Bridges
Download EM Unit – 7 Notes - Unit 8: Magnetic Measurements
Download EM Unit – 8 Notes
EM Notes and Study Material PDF Free Download
These Electrical Measurements Notes are available for free download and cover everything you need to know to master the subject. Whether you are revising for your exams or preparing for practical lab sessions, these notes will be invaluable.
Topics Covered in EM Notes Pdf
Here’s an overview of the key topics covered in each unit of the EM Notes Pdf:
- Unit 1: Measuring Instruments
- Classification, deflecting, control, and damping torques
- Ammeters, voltmeters, PMMC, and moving iron type instruments
- Errors, compensations, and range extension
- Unit 2: Instrument Transformers
- Current transformers (CT) and potential transformers (PT)
- Phase angle errors and design considerations
- P.F. meters, frequency meters, and synchroscopes
- Unit 3: Measurement of Power
- Single-phase and three-phase wattmeters
- Dynamometer wattmeters, LPF, UPF
- Active and reactive power measurement in balanced and unbalanced systems
- Unit 4: Measurement of Energy
- Single-phase and three-phase induction-type energy meters
- Driving and braking torques, errors, and compensations
- Trivector meters and maximum demand meters
- Unit 5: Potentiometers
- D.C. Crompton’s potentiometer, standardization, and applications
- A.C. potentiometers (polar and coordinate types)
- Unit 6: Resistance Measurements
- Measurement methods for low, medium, and high resistance
- Wheatstone bridge, Carey Foster’s bridge, Kelvin’s double bridge
- Loss of charge method for high resistance
- Unit 7: A.C. Bridges
- Maxwell’s bridge, Hay’s bridge, Anderson’s bridge, Owen’s bridge
- Measurement of inductance, capacitance, and loss angle
- Schering bridge, Wien’s bridge, Desauty bridge
- Unit 8: Magnetic Measurements
- Ballistic galvanometer, flux meter
- Equation of motion, construction, and applications
EM Notes Pdf from JNTUH
These notes are based on the R09 syllabus for JNTUH, where 8 units are consolidated into 5 in the R13 syllabus. Be sure to check your specific syllabus to match the notes accordingly.
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For reliable and high-quality study materials, choose Smartzworld. We offer free, handwritten notes, textbooks, and more to help students prepare efficiently for their exams.
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- Easy-to-understand explanations
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FAQs on Electrical Measurements Notes
Q1. Where can I download the Electrical Measurements Notes Pdf?
You can download the notes from the links provided for each unit or the complete set from Smartzworld.
Q2. How to download the EM Notes Pdf?
Click on the provided download link for each unit or visit Smartzworld to access the full set of notes.
Q3. How many modules are covered in EM Notes Pdf?
There are 8 modules covering topics such as measuring instruments, power measurement, resistance measurement, and magnetic measurements.
Q4. Topics Covered in EM Notes Pdf?
The topics include Measuring Instruments, Instrument Transformers, Power and Energy Measurement, Potentiometers, Resistance Measurements, A.C. Bridges, and Magnetic Measurements.
Q5. Where can I get the complete EM Handwritten Notes Pdf for FREE?
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Q7. How to Download FREE EM Notes PDF?
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These Electrical Measurements Notes Pdf are designed to give you a thorough understanding of the subject, helping you prepare for exams and practical applications. Good luck with your studies!