ELECTRICAL MACHINE - II LAB SYLLABUS

List of experiments: (To be performed minimum 10 experiments)
1) Determination of synchronous impedance of alternator by open & short circuit test.
2) Determination of Xd & Xq by slip circuit.
3) Determination of Regulation of a Three-Phase Alternator by Direct Loading.
4) Synchronizing of Alternator by lamp method.
5) To determine regulation by MMF method.
6) Determine of Potier Reactance Xp by Zero Power Factor Saturation curve.
7) Plotting of V-curve of synchronous Motor.
8) Determination of mechanical losses of 3-phase induction motor by no-load test.
9) Determination of circuit parameter of 3-phase induction motor by open & block rotor test.
10) Study of Induction Motor Starters.
11) Measurement of Speed of Induction Motor by Measuring Rotor Frequency.
12) Identification of stator winding of three-phase induction motor.
13) Study of reversal 3-phase induction motor.
14) Study of braking of 3-phase induction motor.
15) Effect of variation of rotor resistance on XS torque slip characteristics of 3-phase induction motor.
16) To determine the negative sequence reactance of a synchronous generator.
17) To determine the positive sequence reactance of a synchronous generator.
18) Determination of vector group of a three-phase transformer for zero degree phase displacement.
19) Determination of vector group of a three-phase transformer for 180° phase displacement.
20) Determination of vector group of a three-phase transformer for +30° and –30° phase
displacement.
Requirement:
3-phase Alternators
Resistive Load.
3-phase induction motor
Single phase variac
Three phase Variac
Ammeter, Voltmeters, Wattmeters.
Induction Motor.
Starters
Reference Book:
Electrical machines, Nagrath and Kothari