A. open-circuit test only
B. short-circuit test only
C. stator resistance test
D. none of the above
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A. open-circuit test only
B. short-circuit test only
C. stator resistance test
D. none of the above
An open-circuit test is used to measure the voltage across the stator winding when the rotor is at rest. A short-circuit test is used to measure the current through the stator winding when the rotor is at rest. The results of these tests are then used to calculate the transformation ratio of the induction motor.