7- An 8-pole d.c. machine of 1200kW, 600V, 500 rpm and the average value of the reactance voltage per coil is 6.6v. the machine is lap connected of 648 conductor and each coil has two turns, the axial length of the compole 29 cm and the air gap is 0.8 cm, the armature diameter is 0.35m and the ratio (Bmax/Bav) = 1.5. Find the interpole m.m.f. %3D

7- An 8-pole d.c. machine of 1200kW, 600V, 500 rpm and the average value of the reactance voltage per coil is 6.6v. the machine is lap connected of 648 conductor and each coil has two turns, the axial length of the compole 29 cm and the air gap is 0.8 cm, the armature diameter is 0.35m and the ratio (Bmax/Bav) = 1.5. Find the interpole m.m.f. %3D

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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