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To perform sumpner's back-to-back test on 3 phase transformers, find its
efficiency & parameters for its equivalent circuits.
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to perform the heat run test on a delta/delta connceted 3 phase
transformer and determine the parameters for its equivalent circuit.
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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.
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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.
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Reversal & speed control of 3-phase induction motor by using variable
frequency supply and hence to plot a graph for speed Vs frequency of supply
voltage.
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Determination of losses & efficiency of an alternator.
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To find Xd and Xq of a salient pole synchronous machine by slip test.
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Determination of potier reactance by zero power factor saturation
curves