<s>
A	O
shunt	B-Algorithm
generator	I-Algorithm
is	O
a	O
type	O
of	O
electric	O
generator	O
in	O
which	O
field	O
winding	O
and	O
armature	O
winding	O
are	O
connected	O
in	O
parallel	O
,	O
and	O
in	O
which	O
the	O
armature	O
supplies	O
both	O
the	O
load	O
current	O
and	O
the	O
field	O
current	O
for	O
the	O
excitation	B-Algorithm
(	O
generator	O
is	O
therefore	O
self	O
excited	O
)	O
.	O
</s>
<s>
Self-energizing	O
shunt	B-Algorithm
generators	I-Algorithm
were	O
widely	O
used	O
on	O
automobiles	O
after	O
the	O
decline	O
in	O
usage	O
of	O
third-brush	O
generators	O
but	O
before	O
the	O
proliferation	O
of	O
alternators	O
in	O
the	O
1960	O
's	O
.	O
</s>
<s>
Shunt	B-Algorithm
generators	I-Algorithm
are	O
always	O
used	O
with	O
regulators	O
that	O
regulate	O
overvoltage	O
and	O
overcurrent	O
,	O
and	O
disconnect	O
the	O
generator	O
at	O
undervoltage	O
.	O
</s>
