Electrical & Electronics Measurement Archives - A Free Platform on Theory, Practical & Tests

Measurement of Voltage, Frequency, Phase Angle by Using CRO

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Experiment No.: 6 Experiment Name: Use CRO for the measurement of voltage, frequency, phase angle Objective: To use CRO for the measurement of voltage, frequency, phase angle. Theory: CRO: The CRO stands for a cathode ray oscilloscope. It is typically divided into four sections which are display, vertical controllers, horizontal controllers, and Triggers. Most of the

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Calibration of Single Phase Electronic Energy Meter by Direct Loading

2 Comments / Electrical & Electronics Measurement / Electrical Notebook

Experiment No.: 5 Experiment Name: Calibrate single phase electronic energy meter by direct loading. Objective: To calibrate single phase electronic energy meter by direct loading using resistive load. Theory: An energy meter is an instrument used to measure electrical energy. It keeps a record of the total energy consumed in a circuit during a particular

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Use Megger for measurement of insulation resistance

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Experiment No.: 4 Experiment Name: Use Megger for measurement of insulation resistance Objective: To use Megger for measurement of insulation resistance of a 1100 V grade PVC cable Theory: A megger is used to measure insulation resistance and it is powered by a hand driven inbuilt DC generator or battery of a higher voltage range, it is

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Use Two Watt-meters for Measuring Active Power of Three-phase Balanced Load

1 Comment / Electrical & Electronics Measurement / Electrical Notebook

Experiment No.: 3 Experiment Name: Use two watt-meters for measuring active power of three-phase balanced load. Objective: To use two watt-meters for measuring active power of three-phase balanced load. Theory: For Balance Load Condition: The above equation shows that the sum of the two wattmeter readings gives the total power consumed in the three-phase balanced

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Use Clamp-on meter / digital multi-meter for measurement of AC/DC current, AC/DC voltage

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Experiment No.: 2 Experiment Name: Use of Clamp-on meter / digital multi-meter for measurement of AC/DC current, AC/DC voltage Objective: To measure DC voltage and current To measure AC current by using Clamp-on meter Theory: Multimeter: Multimeter is a versatile compact form of electrical instrument which can measure multirange DC voltage, AC voltage, resistance and

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Use Kelvin’s double bridge for measurement of low resistance.

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Experiment No.: 1 Experiment Name: Use of Kelvin’s double bridge for measurement of low resistance. Objective: To use Kelvin’s double bridge for measurement of low resistance. Theory: A Kelvin Bridge is a measuring instrument used to measure unknown electrical resistors below 1 ohm. It is specifically designed to measure resistors that are constructed as four

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