electrical

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

Leave a Comment / Electrical & Electronics Measurement / By

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 / By

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

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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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STUDY OF FULLY CONTROLLED FULL WAVE RECTIFIER USING SCR

1 Comment / Power Electronics & Drives / By

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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STUDY OF SERIES INVERTER USING SCR

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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 …

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Determination of negative temperature coefficient and calibration of a Thermister

1 Comment / Measurement and Control / By

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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Temperature measurement using Thermocouple.

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Experiment No.: 4 Experiment Name: Temperature measurement using Thermocouple. Objective: To measure temperature by using thermocouple Theory: Thermocouple (J/K type): The Thermocouple is the most commonly used type of all the temperature sensing devices due to its simplicity, ease of use and their speed of response to changes in temperature, due mainly to their small …

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Calibration of given LVDT

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Experiment No.: 3 Experiment Name: Calibration of given LVDT Objective: To measure Linear displacement by LVDT To plot displacement v/s output voltage characteristics curve Theory: The most widely used inductive transducer to translate the linear motion into electrical signal is the Linear Variable Differential Transducer (LVDT). The basic construction of LVDT is given in the …

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Speed Measurement by using Stroboscope

2 Comments / Electrical Machines, Measurement and Control / By

Experiment No.: 2 Experiment Name: Speed Measurement by using Stroboscope Objective: To measure speed by usinh Stroboscope Theory: The primary use for a stroboscope is to stop motion for diagnostic inspection purposes. However, the stroboscope can be used to measure speed. In order to do this, several factors need to be considered. First, the object …

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Determining Illumination of a Surface for a Drawing Room by Means of Lux Meter

Leave a Comment / Utilization, Traction, Heating & Drives Lab / By

Experiment No.: 1 Experiment Name: To Determine Illumination of a Surface for a Drawing Room by Means of Lux Meter Objective: To measure the intensity of light with lux meter of (i) fluorescent lamp (ii) compact fluorescent lamp (CFL). Theory: Lux meter (Light Meter): The meter or light meter measure illumination in terms of luxes(lx) …

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