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THREE-PHASE INDUCTION MOTOR

INDUCTION Machines - 1 THREE-PHASE INDUCTION MOTOR March 2007 A. PREPARATION 1. Introduction 2. The Rotating Field 3. Rotor Currents 4. INDUCTION MOTOR Equivalent Circuit 5. Torque and Power Characteristics 6. Operation Beyond the Range 0 < s < 1 7. Determination of MOTOR Constants 8. Bibliography B. EXPERIMENT 1 . Equipment List 2. Speed and Direction of Rotation 3. Starting Current 4. No Load Test 5. Locked Rotor Test C. REPORT INDUCTION Machines - 2 INDUCTION Machines - 3 INDUCTION Machines - 4 INDUCTION Machines - 5 INDUCTION Machines - 6 INDUCTION Machines - 7 INDUCTION Machines - 8 INDUCTION Machines - 9 INDUCTION Machines - 10 INDUCTION Machines - 11 INDUCTION Machines - 12 INDUCTION Machines - 13 INDUCTION Machines - 14 Rather than the equivalent circuit of Fig.

One 208 Volt, 0.75 HP, 3-phase induction motor . One dynamometer with torque controller . One Phase Sequence Indicator . One single-phase wattmeter plus miscellaneous apparatus as needed . 2. Initial Data . Record all nameplate information for the induction motor. You should also make a DC measurement of stator winding line-to-line resistance ...

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