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REGULATOR
1
Constution
and
operation
1
ConstructIon
F
g
4
1
2
OperatIon
of Constant
Voltage Relay
I
I
I
I
I
I
I
I
I
I
r
It
N
L
l
L
J
Dynamo
Regulator
o
f
t
F
g
4 2
When the
19I1ltIOn
swItch
IS on
carrent
from the
battery
passes
through
the
dynamo
E termInal
fIeld
cOlI
contact
pomts
P2
Pi
and the
dynamo
IS
magneuzed
WhIle
It
also frows
the
regulator
E termInal
contact
pOInts
Ps
p
and
the
lamp
flares
When the engine
starts
and the
dynamo
IS
dnven
three
phase
alternate
current
generates
on
the
stator
coIl
passIng
through
the
three
phase
all
wave
rectIfier
dIode and
changes
to
dIrect
current
between the ternunal A
E for
chargIng
At the N ternunal
voltage
half of
that
between
A
E
generates
and passes
through
the
CIrCUIt
N ternunal
VC1
COIl
E
termInal
and WIth
actIon
of the VC
COlI
the movable
contact
pOInt Ps
leaves from p
and makes
contact WIth
P6
so
thaCtlie
la l1 p
IS
off and
It
passes
through
the
CIrCUIt
E ternunal
contact
pOInts
Ps
P6
reSIstance
R2
VC2
COIl and A ternunal
then
the
VC2
coIl anImated and
1
186
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