Circuit Simulation & Electrical Measurements Lab


This lab comprises of phase shifting transformers, reactive load and various other equipments used for calibration and measurement of electrical quantities. This laboratory is equipped with all electrical bridge circuits like Kelvin's Double Bridge,Maxwell’s bridge, Schering Bridge to facilitate the measurement of unknown values of elements like resistor, capacitor and inductor. Errors in electrical measuring instruments can also be found. We can also find real and reactive power of unbalanced loads. Also through this lab students will be enlightened to learn PSPICE software package for building and simulating the circuits. The same can be used in industries for PCB designing.


Course Objectives



Measurement of low resistance using Kelvin’s double bridge
Measurement of cable insulation and earth resistance using Meggar
Measurement of inductance using Maxwell Inductance-Capacitance bridge & determination of Q factor
Measurement of capacitance using De-Sauty’s bridge & determination of dissipation factor.
Measurement of active and reactive power in balanced 3-phase circuit using two-watt meter method.
Adjustment & calibration of 1-phase energy meter
Determination of ratio & phase angle error in CT.
Inverting, non-inverting & scale changing of signals using op -amps
RC phase shift oscillator using op amps (Both using simulation package)
RC coupled amplifier-frequency response for variation of bias & coupling using simulation package.
Rectifier circuits-Bridge rectifier, diode clipping & clamping circuits using simulation package.
Schmitt –trigger- inverting and non-inverting.
Signal generator - triangular, saw tooth and rectangular wave generation


Course Outcomes



Able to understand construction of kelvin’s double bridge
Able to understand working of kelvin’s double bridge and able to measure the resistance.
Able to measure the earth resistance using meggar.
Able to measure the unknown inductance using Maxwell Inductance-Capacitance bridge
Able to measure the unknown capacitance value using De-Sauty’s bridge
Able to measure active and reactive power in balanced 3-phase circuit using two-watt meter method.
Able to understand the construction and working of energy meter.
Able to calculate the phase angle error in CT.
To understand the inverting, non-inverting & scale changing of signals using op –amps
Able to do the simulation of RC phase shift oscillator using op amps
Able to simulate the RC coupled amplifier-frequency response for variation of bias & coupling.
Able to simulate the rectifier circuits-Bridge rectifier, diode clipping & clamping circuits
Able to generate inverting and non-inverting using Schmitt –trigger.
Able to generate triangular, saw tooth and rectangular wave using signal generator

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Address
Don Bosco Group of Institutions,
Mysore Road, Kumbalagodu,
Bangalore - 560074, Karnataka, India.
Phones
8880-716-716
9900-361-100
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