Electrical Measurement and Instrumentation

Unit_1. Introduction

• 1.1. Introduction to Standards of Measurement,
• 1.2. Errors and their evaluation.
• 1.3. Calibration,
• 1.4. accuracy precision Sensitivity,
• 1.5. resolution,
• 1.6. noise etc.
• 1.7. Measurements of voltage, current, power and energy:
• 1.8. Moving iron,
• 1.9. moving coil,
• 1.10. thermal,
• 1.11. induction and rectifier type
• 1.12. Measurements of power factor and frequency:
• 1.13. Dynamometer and moving iron single and three phase power factor meters,
• 1.14. Resonance,
• 1.15. moving coil and moving iron frequency meters.

Unit_2. Galvanometer & Bridges

• 2.1. Galvanometer: D’Arsonval, vibration and ballistic galvanometers 5 Lectures
• 2.2. Bridges: D.C. bridges: Kelvin double bridge,
• 2.3. Wheat stone bridge and Carey-Foster bridge
• 2.4. A.C. bridges: Maxwell Bridge,
• 2.5. Hay and Owen bridges,
• 2.6. Anderson Bridge,
• 2.7. Wien Bridge,
• 2.8. Schering Bridge and Heaviside-Campbell bridge

Unit_3. Potentiometer’s Principle, standardization and application

• 3.1. D.C. Potentiometers: Crompton and Vernier potentiometers A.C.
• 3.2. Potentiometers: Coordinate type and Polar type.

Unit_4. Magnetic measurements

• 4.1. Measurement of magnetic flux by ballistic galvanometer and fluxmeter Determination of B-H curve and hysteresis loop Separation of iron loss into hysteresis and eddy current losses Measurement of iron loss and its separation on Lloyad-Fisher squares.