A speed indicating device consist of a 2pole permanent magnet DC generator with a 2000 ohm DC voltmeter connected acrossits terminals. The generator has an armature with 1200 conductors having two parallel paths and a total resistance of 1000ohms between brushes. The air gap flux density is 40,000 lines per pole. If the voltmeter reads 10V, at what speed will thisreading indicates?A 1582 rpmB 1534rpmC) 1512 rpmD) 1562 rpm A 4 pole DC generator has an armature winding containing a total of 648 conductors connected in two parallel paths. If the fluxper poleis 0.321 x 106 maxwells and the speed of rotation of the armature 1s1800rpm. Calculate the ampacity required in eacharmature conductor if the power developed by the armature is 5KW.(А) 30(в) 25(D4020

After solving the problem 1, the answer I got is 1250rpm, which is not in the options. I checked my…

Answered: A 4 pole DC generator has an armature…

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter13: Harmonics

Section: Chapter Questions

Problem 5RQ

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