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 […]
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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Experiment No.: 1 Experiment Name: Plot the O.C.C. of a D. C. Generator & find the Critical Resistance. Objective: To plot open circuit characteristics of a DC shunt generator To find critical resistance from the characteristics curve Theory: In a DC Generator an expression for the voltage generated (E) in the armature winding can be
Plot the O.C.C. of a D. C. Generator & find the Critical Resistance Read More »
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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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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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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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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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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Experiment No.: 2 Experiment Name: To Study Series Inverter using SCR Objective: To study the mechanism of working of inverter using SCR. Theory: In series inverter, the commutating elements L and C are connected in series with the load. This constitutes a series RLC resonant circuit. The Two SCRs are used to produce the halves (positive and
Experiment No.: 5 Experiment Name: Determination of negative temperature coefficient and calibration of a Thermister Objective: To determine negetive temperature coefficient and calibrate a Thermistor Theory: Thermistor (10 K): Thermistor is a contraction of a term thermal resistor. Although positive temperature co-efficient (P.T.C) of unit exhibit an increase in the value of resistance with increase
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