86
DC
machines
THE WAVE WINDING
^x
Figure
6.21
(e)
The
rating
of the
generator
if
each conductor
can carry
10 A
before overheating.
(a) Total number
of
conductors
=
number
of
slots
x
number
of conductors
in
each slot.
=
36
x 8
= 288.
(b)
Two
conductors form
one
turn. Number
of
turns
=
=
144.
288
(c) Since there
are six
poles, there will
be six
brushes
and six
parallel paths through
the
armature.
288
Number
of
conductors
in
series
in
each group
= -^- =
48.
6
(d) Generated
e.m.f. = e.m.f. per
conductor
x
number
of
conductors connected
in
series.
= 5x48
= 240V.
(e) Each conductor
can
carry
10
A
and
there
are six
parallel
paths.
Total current from
the