PROBLEMA 4-pole generator has a lap-wound armature with 50 slots with 16 conductors per slot. The useful flux per pole is30mWb. Determine the speed at which the machine must be driven to generate an e.m.f. of 240V.E = 240 Vc 2p (for lap winding)Z = 50 x 16 =8006 = 30mWbSpeed n ?As, E = 2P0nz 2ppnz 2ponz2p= onzRearranging above equation, speed will be:-n =oz240/(30mWb x 800)n = 10 rev/s or 600 rev/min

Given data, Number of pole =4 Number of parallel path A=P=4 Number of slot =50 Total number of…

A 4-pole generator has a lap-wound armature with 50 slots with 16 conductors per slot. The useful flux per pole is 30mWb. Determine the speed at which the machine must be driven to generate an e.m.f, of 240V.

A 4-pole generator has a lap-wound armature with 50 slots with 16 conductors per slot. The useful flux per pole is 30mWb. Determine the speed at which the machine must be driven to generate an e.m.f, of 240V.

Introductory Circuit Analysis (13th Edition)

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Publisher:Robert L. Boylestad

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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.

Question

PROBLEM
A 4-pole generator has a lap-wound armature with 50 slots with 16 conductors per slot. The useful flux per pole is
30mWb. Determine the speed at which the machine must be driven to generate an e.m.f. of 240V.
E = 240 V
c 2p (for lap winding)
Z = 50 x 16 =800
6 = 30mWb
Speed n ?
As, E = 2P0nz 2ppnz 2ponz
2p
= onz
Rearranging above equation, speed will be:-
n =
oz
240/(30mWb x 800)
n = 10 rev/s or 600 rev/min

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