In very large d.c. motors with severe heavy duty, armature reaction effects are corrected by

February 7, 2022

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In very large d.c. motors with severe heavy duty, armature reaction effects are corrected by

Q. In very large d.c. motors with severe heavy duty, armature reaction effects are corrected by

A. Using interpoles Only

B. Using compensating winding in addition to interpoles

C. Shifting the brush position

D. None of the above

Answer: Using compensating winding in addition to interpoles

In very large d.c. motors with severe heavy duty, armature reaction effects are corrected by

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Interpoles in a DC motor must be

In very large d.c. motors with severe heavy duty, armature reaction effects are corrected by

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A 4 pole, lap wound d.c motor has 540 conductors and 230 V supply. The armature resistance is 0.8Ω. Its speed found to be 1000 r.p.m. the flux per pole is 25 mWb. The Induced e.m.f.and Armature current will be

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