18 The voltage between brushes x and y is240 V in the generator shown in Fig. 38.Why can we say that the voltage betweensegments 3 and 4 must be greater than 40 V? NNneutral zoneS400SFigure 38aSchematic diagram of a 12-pole, 72-coil dc generator.N241 51 6REA wire-71 72 1N2ONneutral zonerotation3Figure 38bClose-up view of the armature coils between adjacent brushes.SSS3A9 10 11 1213141516/7/81படிNNneutral zonecommutator bars

Answered: 18 The voltage between brushes x and y…

18 The voltage between brushes x and y is 240 V in the generator shown in Fig. 38. Why can we say that the voltage between segments 3 and 4 must be greater than 40 V?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...

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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

18 The voltage between brushes x and y is
240 V in the generator shown in Fig. 38.
Why can we say that the voltage between
segments 3 and 4 must be greater than 40 V?

N
N
neutral zone
S
400
S
Figure 38a
Schematic diagram of a 12-pole, 72-coil dc generator.
N
2
41 51 6
RE
A wire-
71 72 1
N
2
O
N
neutral zone
rotation
3
Figure 38b
Close-up view of the armature coils between adjacent brushes.
S
S
S
3
A
9 10 11 12
13141516/7/81
படி
N
N
neutral zone
commutator bars

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