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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 (Bma/B,) = 1.5. Find the interpole m.m.f.

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 (Bma/B,) = 1.5. Find the interpole m.m.f.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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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 (Bma/B,) = 1.5. Find the interpole m.m.f.
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