Study of AC and DC supply systems in Electrical Laboratory
Study of PMMC / MI voltmeters, ammeters, electro-dynamometer type watt meters, induction type energy meters, various loads like resistive, capacitive and inductive.
Testing of insulating oils and H.V testing on insulating materials.
Determination of voltage-current characteristics of linear resistance and a nonlinear resistance (e.g. incandescent lamp).
Verification of Kirchhoff’s laws using resistive network.
Verification of superposition theorem in a resistive circuit with two given DC sources.
Verification of Thevinin’s theorem in a DC circuit.
Verification of generalised reciprocity theorem in a DC circuit.
Verification of Maximum Power transfer theorem in a DC circuit
Three phase star and delta connection – measurement of line and phase values.
Measurement of three phase power at different power factors for balanced and unbalanced loads.
Study and measurement of symmetrical components for unbalanced system.
Determination of BH characteristics of a magnetic specimen.
RLC series and parallel circuit: measurement of current in various branches and verification by calculation – drawing of phasor diagram.
Determination of locus diagram RL and RC circuit.
Study of frequency – current relations of given series RLC circuit and condition for series resonance.
Measurement of single phase power – (a) Three ammeter method (b) three voltmeter method
Measurement of single phase power and energy using wattmeter and energy meter – calculation of error.
Determination of Power and Power factor of a given single phase circuit using watt meter and power factor meter – power factor improvement of the above circuit.
Determination of fusing time versus current characteristics for two specimens – fusing factor – study of various types of fuses.
Measurement of Neutral shift voltage for an unbalanced star connected system.
mgu university b.tech electrical S3 syllabus
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