NPTEL : NOC:Electrical Measurement and Electronic Instruments (Electrical Engineering)

Co-ordinators : Prof. Avishek Chatterjee


Lecture 1 - PMMC Instruments

Lecture 2 - Electrodynamic Instrument

Lecture 3 - Demonstration of PMMC and Electrodynamic Instruments

Lecture 4 - Features of PMMC and Electrodynamic Instruments

Lecture 5 - Moving Iron Instruments

Lecture 6 - Demonstration of Moving Iron Instrument

Lecture 7 - Electrostatic Instrument

Lecture 8 - Derivation of Deflecting Torque in Electrodynamic, Electrostatic and Moving Iron Instrument

Lecture 9 - Damping and Eddy Current Damping

Lecture 10 - Dynamics of the Moving Coil and Damping

Lecture 11 - Dynamics of the Moving Coil and Damping (Continued...)

Lecture 12 - Ballistic Galvanometer

Lecture 13 - Ammeter - I

Lecture 14 - Ammeter - II

Lecture 15 - Voltmeter

Lecture 16 - Ohmmeters - I

Lecture 17 - Ohmmeters - II

Lecture 18 - Rectifier based Voltmeters and Ammeter - I

Lecture 19 - Rectifier based Voltmetesr and Ammeter - II

Lecture 20 - Resistance measurement with a Voltmeter and an Ammeter

Lecture 21 - Four-Terminal Resistance

Lecture 22 - Problems: Four Terminal Resistance

Lecture 23 - Error Calculation

Lecture 24 - Sensitivity, Accuracy, and Resolution of Wheatstone Bridge

Lecture 25 - Kelvin Double Bridge

Lecture 26 - High Resistance Measurement

Lecture 27 - Wattmeter Connection and Compensated Wattmeter

Lecture 28 - Single Phase Energy Meter

Lecture 29 - Demonstration: 1. Eddy Current Braking 2.Creation of Magnetic Field Without Moving Objects

Lecture 30 - Single Phase Energy Meter (Continued...)

Lecture 31 - Connection of Energy Meter, Wattmeter, and Three Phase Supply

Lecture 32 - DC Potentiometer

Lecture 33 - AC Potentiometer

Lecture 34 - Polar potentiometer and phase shifter

Lecture 35 - Polar potentiometer

Lecture 36 - Co-ordinate potentiometer

Lecture 37 - Kelvin-Varley potential divider

Lecture 38 - Impedance measurement

Lecture 39 - AC bridges - I

Lecture 40 - AC bridges - II

Lecture 41 - AC bridges - III

Lecture 42 - Current transformer and potential transformer

Lecture 43 - Review of transformer and magnetic circuit

Lecture 44 - Errrors in Instrument ransformer

Lecture 45 - Flux density measurement with Ballistic Galvanometer

Lecture 46 - Flux density measurement with Ballistic Galvanometer (Continued...)

Lecture 47 - Background: From Flip Flop to Counters - I

Lecture 48 - Background: From Flip Flop to Counters - II

Lecture 49 - Background: Operational Amplifiers - I

Lecture 50 - Background: Operational Amplifiers - II

Lecture 51 - Background: Operational Amplifiers - III

Lecture 52 - Background: Operational Amplifiers - IV

Lecture 53 - Inverting amplifier versus Schmitt Trigger

Lecture 54 - Non-inverting amplifier versus Schmitt Trigger

Lecture 55 - Difference amplifier - I

Lecture 56 - Difference amplifier - II

Lecture 57 - Difference amplifier - III

Lecture 58 - Digital frequency meter

Lecture 59 - Digital frequency meter and Schmitt Trigger

Lecture 60 - Schmitt Trigger

Lecture 61 - Schmitt Trigger

Lecture 62 - Digital frequency meter

Lecture 63 - Linear ramp type digital voltmeter

Lecture 64 - Dual slope digital voltmeter - I

Lecture 65 - Dual slope digital voltmeter - II

Lecture 66 - Dual slope digital voltmeter and Integrator circuit

Lecture 67 - Digital ramp type voltmeter

Lecture 68 - Digital ramp type voltmeter and Successive approximation type voltmeter

Lecture 69 - ADC and DAC - I

Lecture 70 - ADC and DAC - II

Lecture 71 - Why we need electronic Instruments

Lecture 72 - Instruments with op-amp based amplifiers - I

Lecture 73 - Instruments with op-amp based amplifiers - II

Lecture 74 - Instruments with op-amp based amplifiers - III

Lecture 75 - Instrumentation Amplifier

Lecture 76 - Function generator

Lecture 77 - 555-Timer circuit

Lecture 78 - Astable and monostable oscillator circuits

Lecture 79 - Pulse generator

Lecture 80 - Oscilloscope - I

Lecture 81 - Oscilloscope - II

Lecture 82 - Emitter follower voltmeter

Lecture 83 - Linear ohmmeter

Lecture 84 - Ramp generator