OC, SC test on 1- phase transformer: predetermination of efficiency & regulation. Experimental determination of Equivalent circuit constants and calculation of efficiency and regulation to be done to correlate results obtained earlier.
Sumpner’s test.
Parallel operation of two dissimilar (different KVA) 1-phase transformers. Preferably the experiment to be conducted on two dissimilar transformers.
Polarity test & connection of 3 single phase transformers in star – delta and determination of efficiency & regulation – for balanced direct loading for UPF. Polarity test to be conducted on both AC and DC supply.
Scott connection- for balanced and unbalanced two phases UPF loads.
Load test on 3-phase induction motor- performance evaluation (Torque- speed, HP- efficiency, HP-PF, slip-HP).
Circle diagram of 3-phase induction Motor- performance evaluation.
Draw the equivalent circuit diagram of a 3-phase I.M after obtaining its circle diagram after conducting OC and SC test. from equivalent circuit, obtain the machine performance parameters.
Speed control of 3-phase induction motor by rotor resistance control only (for two different values of rotor resistance).
Load test on- induction generator.
Load test on 1 phase induction motor.
NL and SC test on 1-phase Induction motor.