KL UNIVERISTY FIRST SEMESTER Course Handout Academic Division
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1 KL UNIVERISTY FIRST SEMESTER Course Handout Academic Division Dated: Course No. : EE C205 Course Title : Electrical Measurements Course Structure : Course coordator : Mr D Kalyan Instructors : J Sravanthi, V Usha Rani, G. Madhusudhan Rao, D.Seshu Redddy, 1. Course Description: Movg Coil struments, Permanent magnet movg coil, Movg Iron struments for the measurement of voltage, current, power, and Frequency. Measurement of Inductance and capacitance Anderson, Scherg Bridge. Magnetic measurements- B-H loops, Digital Instruments- DVM s, Operation of CRO. Transducers classification, selection, Stra gauges, LVDT. 2. Scope and Objective of the Course: The measurement of a quantity is essential to design any system. The advancement of science and technology is depends upon a parallel progress measurement techniques.the aim of this course is to give the broad categories of electrical parameter measurements like resistance measurement, current, voltage and power measurement usg varieties of. The measurement course gives a fundamental base for students to implement novative thoughts to action. 3. Books: (i) Textbook: a. A Course Electrical and Electonic Measurements and Instrumentation by A.K.Sawhney,Dhanpat rai& Co,18 th Revised Ed. b. A Course Electronic and Electrical Measurements and Instrumentation by J B Gupta, S K Kataria & Sons, 12 th Revised Ed. (ii) Reference Book: a. Electric measurements & measurg struments by Harris b. Electrical measurements by Baldw c. Electrical measurements by H.V.Satyanarayana d. Electrical Measurements by E.W.Goldg 4. Syllabus: UNIT I Instruments: Permanent magnet movg coil, movg iron, dynamometer, duction electrostatic dicatg struments for current, voltage, power, energy, power factor, frequency and Syncroscope. UNIT II Instrument Transformers: CTs, PTs, prciple of operation, extension of ranges, errors and testg Bridges:
2 Measurement of ductance, capacitance and resistance methods, Maxwell s, Anderson s, Wien s, Heaviside s, Campbell s, Scherg s, Kelv s double. UNIT III Magnetic Measurements: Ballistic galvanometer, Calibration by Hibbert s magnetic standard, B-H loop, flux meter, measurement of permeability, Epste s square. UNIT IV Digital Instruments: Prciple of operation of DVM s, display devices LEDs, LCDs Oscilloscope: Basic operation, deflection mechanism, time base circuits, vertical amplifiers, alternate and chop modes, applications of CRO. UNIT-V Transducers: Classification, prciples and selection of transducers, Stra Gauge, Thermister, Thermocouple. LVDT, Opto electrical sensors. 5.Course Plan: Course plan is meant as a guidele. There may probably be changes. Lecture No 1 Content Introductio n 2 PMMC MI strument s Electro dynamo Electro static 6 Watt meter 7 8 Power factor Frequency Learng Objective At the end of the session the student able to basics of Measurement Systems Chapter the textbook P1-P8 P294-P298 P315-P321 P328-P333 P346-P349 P464-P472 P495-P500 P500-P506 Synchrosc 9 ope Constructional features 10 Instrument Identifies the significance of P507-P508
3 s Transform ers 11 CT 12 PT 13 Extension range transformers the measurements Construction, phasor diagrams. Construction, phasor diagrams Extendg the meter range measurements. P387-P389 P405-P411 P406-P409 P Maxwells P Andersons Wien s Heaveside 18 Campbell s Scherg Kelv s double Magnetic measurem ents Calibration of galvanome ters 23 B-H loop 24 B-H loop 25 Flux meter Measurem ent of permeabilit y Epste s square DVM s- Introductio n Types of DVM s Display devices Bridge Bridge Bridge Bridge Bridge Bridge Basics of magnetic measurement para. workg prciple concept of Hysterisis Understands B-H graph analysis Workg prciple Evaluates the permeability Understands epste s square Method Introduction to digital systems significance Classify various DVM s Overview on various display devices P592-P593 P605-P606 P603-P604 P605-P606 P598-P599 P534-P535 P660-P670 P661-P662 P663-P664 P664-P665 P673-P675 P674-P675 P676-P679 T 1 P1303- P1305 P1305- P1307 P1276-
4 31 LED s Understands workg of LED 32 LCD s LCD workg Cathode ray tube Basic operation Deflection mechanism Time base circuits CRO - Modes Application s of CRO Introductio n Transducer s- Classificati on Prciples of transducer s Selection of Transducer s Stra gauges, Stra measurem ents Thermister s,thermoc ouples 44 LVDT 45 Opto electric sensors Understands basics of CRO Understands Operation prciple CRT workg mechanism Analyses the Time base circuits Distguishes the modes of operation Apply for various measurements basics of trasducer Classify various transducers prciple of operations, selection of transducer stra gauge prciple and types Analyze the output characteristic Understands Operation, calibration and application prciple and applications P1278 P1284- P1285 P1285- P1287 P784-P788 P784-P787 P785-P787 P794-P797 P801-P803 P810-P814 P913 T 1 P913-P918 P935-P936 P964-P971 P979-P991 P1001- P1008 P1046- P1054
5 6.Self learng material: UNIT TOPIC SOURCE I I II II III III IV V V Basic prciples of Nonelectrical measurement systems(mechanical& Optical) 2/3 Wattmeter method to measure power AC circuit Methods to fd earth s resistance Industrial application of AC/DC s. Derivation for the governg equations of Ballistic and flux List out the underwater magnetic measurement systems with prciples Detailed features of digital storage oscilloscope Aero space/nuclear application of thermocouple Design various signal conditiong circuits for various transducers. E-learng site E-learng site E-learng site E-learng site Check out Prescribed Text book E-learng site E-learng site E-learng site E-learng site 7.Evaluation Scheme: Test-1 Test-2 Component Assignement submission Assignment Test Duration (mutes) % Weightage Marks 50 M M Date & Time to A.M to A.M Contuous 50 M to Venue 105,106,201, 105,106,201,
6 Quiz 30 M Regular Lab Evaluation Contuous Comprehensive Lab Exam 3 Hrs Comprehensive Exam 3 Hrs Attendance for Theory & Tutorial Attendance for Lab A.M 105,106,201, to A.M Contuous Contuous 105,106,201, 8. Chamber consultation hour: Informed the class first week. 9. Notices: All notices regardg the course will be put E-learng website. Course Coordator
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