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contact
between
the
thernrorrreter and
the
surface
to
be
rneasured.
The
connections
for
the
star-connected resistance-type
thernronreters
are
brouqht
to
4
auxil
iary
ternrinals
in
the alternator terninal
box.
The Thernronreters
consist ol' the
thin. bifilar
platinunr
vri
re
vround
on
a
narror{ core
of
insulating
nraterial.
The
resjstance
is
100
at
0cC.
The
basic values
of
ihe
resistances,
i.e.
the
resistances
depen-
dence
on
the
tenrperature, as
vrel
I
as
the
allowed tolerances, are laicj
dovn
'n
DIN
43760.
Tho changes
of
the resistance are
nlonitored as
currenl variations
on
an irrdication instrunrerrt.
The insi.runrent
itself is fitted in
the
nrajnsv/itchboard,
to
be
suppl
ied
by the
yarcl
.
1.
1.20
The
stor
sensors
for
al
ternators
The
rrn
i
ste
a
rrrorr
i
torinq
sy
in
conjuncti
eltsors
a
rvi
th
r
t
f
a
I
ly 3
tl)cr't js tors
lf
an alarrrr siqnal
3
serrsors
wi I
I
be
necess
tcrken i.o auxi
1i
ary
tefn|na
'I'hc scrtsors
are sclcctecl
to r:olrpl\ri
Lh
ri
P
or
rlc
i
tt
ptn
the
c
tc
ou
i
ed
g
s
rl
re
rnt0
ur)its
ta
lor
i
n
sc'
cl in
The
I
n
In
the alternator windings.
llhen
usr:d
,
the thenrrist0r
seltsors consti tuIr]
windinq
fo)rporature.
Thcrc
,trc
u.;rr
rjcs for
l.ripJrlnq Ihc
alLo)'nal_or.
adclitjon
f.o
trlpping.
then
a
further
connecting leads fronr
the
sensors ar
e
terni
na
I
box.
Llrc
cx1;cc
1:crl
a
)
i 1'
tlre
opcra
1-
irrg
SIEMffiNS
tcrna
Lor
l-c'lrl)rrra
l,-
l-
onrl)e
ra ILrrL.
o l'
acous
L
i
c
nlalnn
is
10
k.
1.2
1.2.r
The tenrDerature
difference
between alat-tn
and
s
hu
llec-b111l
ral_qq:jjn
The
basic
arrangenrent
of
the
excitation
equlpment
js
top-rlounted.
Ternrinal boxes and cable entries
terni
nal
box
of
the
,rill
be welderl
onto the right-lrand
of
ca
s
r'nq
of
the
Lrre.
Tlte res'isl-ance
increascs !rcaL
the
sensor
is
exceeded.
This
is
used
and/or shut
do\^/n.
dri
ve-end
al terna
tor
)
;
JIa
6
EN6/14
lAn
Anl
Wizw6s
l-ypes
of
construction
an
optical
or
exci
tation
equipnrent
(looking frorl
cable
entries
fronl
the
bottonr.
types
of
cons
tructi
on
The
s
i
de
tne
r.2.2
del i
vered
1n
the fol
l owi ng
q
see page
:
G
E/vE/lA ro/<
7
R/,1
u,Lv€
s
1.2
.3
Paint
finish
The
al
ternat.ors
are
to
DIN 42950
:
al terna
6!n ted
The al
ternat0rs are pajnted
in
RAL
7030
colour.
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