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Electrical Instrumentation

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更新日期:2019-04-13

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Electrical Instrumentation(圖1)-速報App

Notes,quiz,blog and videos of electrical instrumentation. It almost cover all important topics which are indexed chapter wise

Chapter 1 Measurement

1. Measurement and error

2. Accuracy and Precision

3. sensitivity resolution

4. Error & Error analysis

5. Effect of temperature

6. Stray field

7. Hysterisis and Frequency variation & method of minimizing them

8. due to shunt connected and series connect ed instruments

9. calibration curve

10. Testing & calibration of instruments

11. Theory & operation of ballistic galvanometer

12. D'arsonal galvanometer

13. galvanometer motion & damping

14. Definition of analog & digital instruments

15. Classification of analog instruments, their operating principle

Chapter 2 Different types of Ammeter & Voltmeter

1. Permanent Magnet Moving Coil Instrument

2. Electrodynamometer

3. Hotwire

4. Electrostatic

5. Induction

6. Rectifier

7. Ferro dynamic & Electro-thermic

8. Extension of range of instruments using shunt & multiplier

Chapter 3 Instrument transformers and Measurement of power

1. Potential and current transformers

2. ratio and phase angle errors

Electrical Instrumentation(圖2)-速報App

3. Difference between CT and PT

4. Power in AC and DC Circuit

5. Electrodynamometer type of wattmeter

6. Low power factor & UPF wattmeter

7. Measurement of power in three phase circuit, one, two & three wattmeter method

8. Measurement of power using CTs & PTs

Chapter 4 Measurement of Energy

1. Single phase induction type energy meter

2. Testing by phantom loading and using R.S.S. meter

3. Three phase energy meter

4. Tri-vector meter

5. DC potentiometer standardization

6. application of DC potentiometer

7. AC polar type and coordinate type potentiometer

Chapter 5 Miscellaneous Instruments & Measurements

1. Power factor meter

2. Single phase and three phase Electro-dynamometer type & moving iron type

3. Vibrating reed

4. Resonance type & Weston type

5. Series Type Ohmmeter And Shunt Type Ohmmeter

6. Megger & Ratio meter

7. Classification of low

8. medium & high resistance Voltmeter

9. Ammeter

10. Wheatstone Bridge

11. Kelvin?s double bridge & loss of charge methods for resistance measurement

12. Earth resistance measurement

Electrical Instrumentation(圖3)-速報App

13. B-H Curve