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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q517 - Electrical, Electronic, & Control Engineering
283. As shown in the illustrated diagnostic setup checking for a reversed field pole on a ten-pole synchronous motor, if a rotor is being checked after reassembly and the steel bolts repel each other as shown in the illustration, what condition is indicated
Repulsion between the steel bolts indicates that coils 3 and 4 have the same magnetic polarity, which occurs when one of those coils has reversed polarity.
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