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- Q517 - Electrical, Electronic, & Control Engineering
203. A digital multimeter is set up as shown in the illustration to evaluate the single-circuit stator windings of a squirrel cage induction three-phase motor. The following readings are taken: From T1 to T2 reads «OL» ohms. From T2 to T3 reads «OL» ohms. From T3 to T1 as shown reads «1.6» ohms. What condition is indicated
The 'OL' readings between T1-T2 and T2-T3, combined with the 1.6 ohm reading between T3-T1, indicate an open circuit in Phase B (associated with T2), while Phases A and C (associated with T1 and T3 respectively) are undamaged.
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