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WorksheetsPer-Phase Equivalent Circuit of Induction Machine
Total questions: 5
Worksheet time: 3mins
Given that a 3-phase induction machine (415V, 50Hz, 4 poles) is running at 1485 rpm. Determine the slip of the induction machine at this operating condition.
0.99
1
0.001
0.01
What types of tests are required to acquire the equivalent parameters of the per-phase equivalent circuit for an induction machine?
DC Winding Resistance & Open Circuit Test
Insulation Resistance Test & Short Circuit Test
No-load Test & Block Rotor Test
Open Circuit Test & Short Circuit Test
What is the slip of an induction machine just before the rotor starts to rotate?
2
1
0.5
0
What is the slip of an induction machine if no mechanical load is engaged to the shaft of the rotor?
2
1
0.5
0
Which parameter is excluded from those associated with the per-phase equivalent circuit of an induction machine?
Stator winding resistance
Synchronous reactance
Magnetizing Inductance
Rotor winding resistance
