(a)Predetermination of efficiency and regulation by Open Circuit and Short circuit tests on single - phase transformer. (b)Calculation of parameters of equivalent circuit from the readings of the tests and determination of efficiency and regulation from the equivalent circuit to correlate results obtained earlier.
Sumpner’s test on similar transformers and determination of combined and individual transformer efficiency.
Parallel operation of two dissimilar (different kVA) single-phase transformers and determination of load sharing and analytical verification given the Open Circuit and Short circuit tests details.
Polarity test and connection of 3 single-phase transformers in star – delta and determination of efficiency and regulation under balanced resistive load.
Scott connection with balanced and unbalanced resistive loads.
Load test on 3-phase induction motor- and plot of Torque versus speed, output hp versus efficiency, power factor and slip.
Predetermination of performance of 3-phase induction Motor from the Circle diagram.
(a)Determination of parameters of the equivalent circuit of a 3-phase Induction Motor by conducting NO load and Blocked rotor tests. (b)Determination of performance quantities of the induction motor from the equivalent circuit to correlate the results obtained from the load test or circle diagram.
Speed control of 3-phase induction motor by varying rotor resistance.
Load test on- induction generator.
Load test on single- phase induction motor.