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Electrical Applications 2 by David W. Tyler

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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
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