Q4. An 8-pole DC generator has 400 armature conductors and a useful flux of 0.05 Wb. What will be t emf generated if it is lap wound and runs at 1,500 rpm? What must be the speed at which it is to be driv to induce the same voltage if it is wave wound? (Ans. 500 V; 375 rpm)

Q4. An 8-pole DC generator has 400 armature conductors and a useful flux of 0.05 Wb. What will be t emf generated if it is lap wound and runs at 1,500 rpm? What must be the speed at which it is to be driv to induce the same voltage if it is wave wound? (Ans. 500 V; 375 rpm)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.

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Q4. An 8-pole DC generator has 400 armature conductors and a useful flux of 0.05 Wb. What will be the
emf generated if it is lap wound and runs at 1,500 rpm? What must be the speed at which it is to be driven
to induce the same voltage if it is wave wound? (Ans. 500 V; 375 rpm)
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