1 Separation of transformer core losses and to determine the hystersis and eddy current losses at
rated voltage and frequency.
2 To plot the O.C.C. & S.C.C. of an alternator and to determine its regulation by synchronous
impedance method.
3 To synchronize an alternator across the infinite bus (RSEB) & summarize the effects of variation
of excitation on load sharing.
4 To plot the V-curve for a synchronous motor for different values of loads.
5 To perform sumpner’s back-to-back test on 3 phase transformers, find its efficiency &
parameters for its equivalent circuits.
6 To perform the heat run test on a delta/delta connected 3-phase transformer and determine the
parameters for its equivalent circuit.
7 To perform no load and blocked rotor test on a 3 phase induction motor and to determine the
parameters of its equivalent circuits. Draw the circle diagram and compute the following (i)
Max. Torque (ii) Current (iii) slip (iv) p.f. (v) Efficiency.
8 To perform the load test on a 3-phase induction motor and determine its performance
characteristics (a) Speed vs load curve (b) p.f. vs load curve (c) Efficiency vs load curve (d)
Speed vs torque curve
9 Determination of losses and efficiency of an alternator.
10 To find Xd and Xq of a salient pole synchronous machine by slip test.