COURSE PLAN 26-27 Staff Name: DR S.M.SHASHIDHAR Sem:III q Sec:A Course Name: ELECTRICAL AND ELECTRONIC MEASUREMENTS Lesson plan author name: DR S.M.SHASHIDHAR Course Code:15EE36 Checked by: Total Contact Hours:50 Date: 07 AUG 27 Prerequisites: Basic Knowledge of SI units, Basic Electrical Engineering Sl.No 03 Unit Name Units and Dimensions: Review of fundamental and derived units. SI units (No question shall be set from the review portion). Dimensional equations, problems. Measurement of Resistance: Wheatstone s bridge, Sensitivity, Limitations. Kelvin s double bridge. Earth resistance measurement by fall of potential method and by using Megger. Measurement of Inductance and Capacitance: Sources and detectors, Maxwell s inductance bridge, Maxwell s inductance and capacitance bridge, Hay s bridge, Anderson s bridge, Desauty s bridge, Schering bridge. Measurement of Power, Energy, Power factor and Frequency: Review of Dynamometer wattmeter construction and operation (No question shall be set from the review portions), Torque expression, Errors and minimization, UPF and LPF wattmeters. Measurements of real and reactive power in 3 phase circuits. Review of Induction type energy meter construction and operation (No question shall be set from the review portions)]. Errors, adjustments and calibration of single and three phase energy meters, Problems. Construction and operation of single-phase and three phase dynamometer type power factor meter. Weston frequency meter and phase sequence indicator. Extension of Instrument Ranges:Desirable features of ammeters and voltmeters. Shunts and multipliers. Construction and theory of instrument transformers, Desirable characterises, Errors of CT and PT. Turns compensation, Illustrative examples, Silsbee s method of testing CT. Magnetic measurements: Introduction, Measurement of flux/ flux density, Magnetising force and leakage factor. Hopkinson permeameter. Measurement of iron loss by wattmeter method. A brief discussion on measurement of air gap flux and field strength. Hours Required Assessment Strategy 1
04 Electronic and digital Instruments: Introduction. Essentials of electronic instruments, Advantages of electronic instruments. True rms reading voltmeter. Electronic multimeters. Digital voltmeters (DVM) - Ramp type DVM, Integrating type DVM, Continuous balance DVM and Successive - approximation DVM. Q meter. Principle of working of electronic energy meter (block diagram treatment), Extra features offered by present day meters and their significance in billing. 05 Display Devices: Introduction, Character formats, Segment displays, Dot matrix displays, Bar graph displays. Cathode ray tubes, Light emitting diodes, Liquid crystal displays, Nixes, Incandescent, Fluorescent, Liquid vapour and Visual displays. Display multiplexing and zero suppression. Recording Devices: Introduction, Strip chart recorders, Galvanometer recorders, Null balance recorders, Potentiometer type recorders, Bridge type recorders, LVDT type recorders, Circular chart and X Y recorders. Magnetic tape recorders, Direct recording, Frequency modulation recording, Pulse duration modulation recording, Digital tape recording, Ultraviolet recorders. Biomedical recorders, Electro Cardio Graph (ECG), Electroencephalograph, Electromyograph9. Noise in reproduction. Assessment Strategy: Assignment I.A Test Final Seminar Mention if any other required: 2
Teaching and Learning Tools: Blackboard/PowerPoint presentation/ webinar/lab Resources: Text Books: Electrical & Electronic Measurements & Instrumentation A.K.Sawhney-Dhanpat Rai and Co, 10 th Edition References: 1. Electronic Instrumentation-H.S.Kalsi-McGraw Hill, 3 rd edition 20. 2. A course in Electronics & Electrical Measurements & Instrumentation-J.B.Gupta-Katson Books, 23 Edition Digital Library: 1. \\192.168.8.4\gdlc1\Electrical Reference Books 2. 3. \\192.168.8.4\gdlc1\EngineeringLibrary-1 Contents beyond Syllabus: 1. 2. 3. Note: Planning of syllabus to be covered as per modules given in VTU syllabus Signature of Staff 3
PERIODIC LESSON PLAN 26-27 Staff Name: DR S.M.SHASHIDHAR Sem:III Sec:A Course Name: ELECTRICAL AND ELECTRONIC MEASUREMENTS Lesson plan author name: DR S.M.SHASHIDHAR Course Code:15EE36 Checked by: Prerequisites: Basic Knowledge of SI units, Basic Electrical Engineering Total Contact Hours:50 Date: 07 AUG 27 Unit No Topic to be covered Topic Learning outcome (TLO) Hrs Students will able to remember 1.1 Units and Dimensions: Review of fundamental and derived units fundamental and derived units. S.I. units Dimensional equations, Problems Students will able to derive Dimensional equations and solve problems 1.2 Measurement of Resistance: Wheatstone s bridge, sensitivity, limitations. Kelvin s double bridge, Problems Earth resistance, measurement by fall of potential method and by using Megger. 1.3 Measurement of Inductance and Capacitance: Sources and detectors, Maxwell s inductance bridge students will be able to derive & solve balance equations for Wheatstone s bridge and able to know its limitations. students will be able to derive & solve balance equations for Kelvin s double bridge and able to solve problems principle of operation of Earth resistance, measurement by fall of potential method and by using Megger concept of Sources and detectors, Derive and solve balance equations for Maxwell s inductance bridge Maxwell s inductance &capacitance bridge, Hay s bridge, Anderson s bridge, Desauty s bridge, Schering bridge, Shielding of bridges, Students will able to derive and solve balance equations for Maxwell s inductance &capacitance bridge, Hay s bridge, Shielding of bridges Students will able to derive and solve balance equations for Anderson s bridge, Desauty s bridge, Schering bridge Problems Students will able to solve problems on resistance, inductance, capacitance bridges. 4
03 2.1 Measurement of Power, Energy, Power factor and Frequency: Review construction & operation of Dynamometer of Dynamometer wattmeter wattmeter construction & operation Torque Expression, Errors & minimization UPF and LPF wattmeters. Measurement of real and reactive power in threephase circuits. Review of Induction type energy meter construction & operation Induction type energy meter errors, adjustments and calibration of single & three phase energy meters. Problems Construction & operation of single & three phase dynamometer type power factor meter Weston frequency meter, Phase sequence indicator 3.1 Extension of Instrument Ranges: Desirable features of ammeters and voltmeters. Shunts and multipliers. Construction and theory of instrument transformers Desirable characteristics, Errors of C.T. and P.T Turns compensation, illustrative examples Silsbees s method of testing CT. 3.2 Magnetic Measurements: Introduction, Measurement of flux/flux density. Magnetising force & Leakage factor, Hopkinson permeameter. Measurement of iron loss by wattmeter method Students will able to analyse Torque Expression and able to know Errors & minimization in Dynamometer wattmeter Students will able to know about UPF and LPF wattmeters and able to measure real and reactive power in three-phase circuits. construction & operation of Induction type energy meter Students will able to know the errors, adjustments and calibration of single & three phase energy meters. Students will able to solve problems on energy meter Students will able to understand construction & operation of single & three phase dynamometer type power factor meter working principle of Weston frequency meter, able to learn about Phase sequence indicator Students will able to remember the desirable features of ammeters and voltmeters. Able to analyse how shunts and multipliers are used to extend the range of an instruments Able to understand the Construction and theory of instrument transformers Able to analyze the characteristics & Errors of CT & PT. Able to understand about Turns compensation, and solve problems on instrument transformers Students will able to analyse the concept of Silsbees s method of testing CT concept of Measurement of flux/flux density. Students will able to analyse Magnetising force & Leakage factor. And understand the concept of Hopkinson permeameter. Students will able to measure the iron loss by wattmeter method 5
04 A brief discussion on measurement of air gap flux and field strength. measurement of air gap flux and field 4.1 Electronic and digital Instruments: Introduction, Essentials of electronic instruments. Advantages of electronic instruments. strength Students will able able to know the essentials of electronic instruments. Able to know the advantages of electronic instruments over moving coil instruments. True RMS responding voltmeter. Able to understand the principle of operation of True RMS responding voltmeter Electronic multimeters working principle of Electronic multimeters Digital voltmeters(dvm) Ramp type DVM working principle of Ramp type DVM Integrating type DVM working principle of Integrating type DVM Continuous balance DVM Successive - approximation DVM Q meter Principle of working of electronic energy meter Extra features offered by present day meters and their significance in billing. working principle of Continuous balance DVM working principle of Successive - approximation DVM working principle of Q meter working principle of electronic energy meter Able to know the significance in billing. 05 5.1 Display Devices: Introduction, Character formats, Segment displays, Dot matrix displays, Bar graph displays Cathode ray tubes, Light emitting diodes, Liquid crystal displays, Character formats, able to make out the difference between Segment displays, Dot matrix displays, Bar graph displays working principle of Cathode ray tubes, Light emitting diodes, Liquid crystal displays. Nixes, Incandescent, Fluorescent display concept of Nixes, Incandescent, Fluorescent display Liquid vapour and Visual displays. Display multiplexing and zero suppression working principle of Liquid vapour and Visual displays. Display multiplexing and zero suppression 6
5.2 Recording Devices: Introduction, Strip chart recorders, Galvanometer working principle of Strip chart recorders, recorders. Galvanometer recorders. Null balance recorders: Potentiometer type recorders, Bridge type recorders, LVDT type recorders Circular chart and X Y recorders. Magnetic tape recorders working principle of Potentiometer type recorders, Bridge type recorders, LVDT type recorders working principle of Circular chart, X Y recorders and Magnetic tape recorders Direct recording, Frequency modulation recording, Pulse duration modulation working principle of Direct recording, recording Frequency modulation recording, Pulse duration modulation recording Digital tape recording, Ultraviolet recorders working principle of Digital tape recording, Ultraviolet recorders Biomedical recorders: Electro Cardio Graph (ECG), Electroencephalograph, Electromyograph. Noise in reproduction. working principle of Electro Cardio Graph (ECG), Electroencephalograph, and Electromyograph. Able to know what is Noise in reproduction? Signature of Staff member Signature of HOD Note: Lesson planning is a teacher s detailed description of the course of instruction or learning trajectory for lesson. A daily lesson plan is developed by teacher to guide class learning. Topic learning outcome shall be tabulated based on blooms taxonomy. 7