##
Stay ahead with the world's most comprehensive technology and business learning platform.

##
With Safari, you learn the way you learn best. Get unlimited access to videos, live online training,
learning paths, books, tutorials, and more.

machines

Hence

the

average voltage induced

in the

conductor

= Φ/-τττ-

2Pn

= 2ΡηΦ volts

On

the

armature there

are Z/c

conductors

in

series (see Examples

1

and

2).

Hence,

the

total

e.m.f. E

=

2Pn

Φ -2-

V

c

E

Ec

Transposing:

n = =

rev/s

2Ρ

φ^

2ΡΦΖ

C

Since 1 revolution

= 2π

radians

2TL£C

nfc

2ΡΦΖ

ΡΦΖ

rad/s

Example

4. The

wave wound armature

of a

six-pole

d.c.

generator

has 30

slots

and in

each slot there

are 8

conductors.

The flux

per

pole

is

0.017