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What is Blocked Rotor Test of Induction Motor?Blocked Rotor Test DefinitionThe blocked rotor test of an induction motor is defined as a test to find the leakage impedance and other performance parameters.Purpose of Blocked Rotor TestIt determines torque, motor characteristics, and short-circuit current at normal voltage.Testing ProcedureDuring the test, the rotor is blocked, and low voltage is applied to the stator to measure voltage, power, and current.Effect on ImpedanceRotor position, frequen