electric

Polarity Test for Operation of Two Single Phase Transformers in Parallel

1 Comment / DC Machines & Transformer /

Experiment No.: 6(A) Experiment Name: Polarity Test for Operation of Two Single Phase Transformers in Parallel. Objective: To test polarity of two single phase transformers. Theory: We do polarity test on parallel transformers to ensure that we connect the same polarity windings and not the opposite ones. If we accidentally connect the opposite polarities of […]

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Open Circuit Test of Single Phase Transformer

Leave a Comment / DC Machines & Transformer /

Experiment No.: 4(A) Experiment Name: Determine Equivalent Circuit Parameters of Single-Phase Transformer by Performing O.C. Test Objective: To perform the O.C. test of a single- phase transformer with the help of an ammeter, voltmeter and a wattmeter and to find out the core loss of the transformer, different parameter at no load condition and to predetermine the

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Verification of Thevenin’s Theorem

Leave a Comment / Electrical Circuits /

Experiment No.: 1 Experment Name: Use Voltmeter, Ammeter to Determine Equivalent Circuit Parameter in a Given Circuit byApplying Thevenin’s Theorem. Objective: To verify Thevenin’s theorem. Theory: Thevenin’s theorem may be stated as follow, “The current flowing through a load resistance RL connected across any two terminal A and B of a linear, active, bilateral network

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Control the Speed of DC Shunt Motor ABOVE Rated Speed & Draw the Speed Characteristics

Leave a Comment / DC Machines & Transformer /

Experiment No.: 3(A) Experiment Name: Control the Speed of DC Shunt Motor Above Rated Speed & Draw the Speed Characteristics. Objective: To control the speed of a DC Shunt Motor by field control method. To draw the field current vs. speed characteristics. Theory: The flux of a DC motor can be changed by changing the

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

Leave a Comment / Electrical & Electronics Measurement /

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.

Leave a Comment / Electrical & Electronics Measurement /

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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Different types of Water Turbines used in Large Hydro Power Plant

1 Comment / Intro to Electric Generation Systems Lab /

Experiment No.: 1 Experiment Name: Study on different types of Water Turbines used in large hydro power plant Objective: To study Kaplan Turbine To study Francis Turbine To study Pelton Wheel Turbine Theory: Kaplan Turbine: Kaplan Turbine works on the principle of axial flow reaction. In axial flow turbines, the water flows through the runner

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Characteristics of Zener Diode and Finding the Breakdown Voltage

Leave a Comment / Analog & Digital Electronics /

Experiment No.: 1 Experiment Name: Plot the characteristics of Zener diode and find the breakdown voltage. Objective: To plot the characteristics of Zener Diode. To find the breakdown voltage. Theory: An ideal P-N Junction diode does not conduct in reverse biased condition. A zener diode conducts excellently even in reverse biased condition. These diodes operate

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STUDY OF FULLY CONTROLLED FULL WAVE RECTIFIER USING SCR

1 Comment / Power Electronics & Drives /

Experiment No.: 3 Experiment Name: Study of Fully Controlled Full Wave Rectifier using SCR Objective: To study Fully Controlled Full Wave Rectifier using SCR Theory: The ac input voltage is fed to the input of a power transformer TR which has centre-tapped secondary. Thus, the voltage Vi1 and Vi2 developed across the two halves of the secondary are

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