Alstom FKG1X - Page 169

Commissioning
Pre-
-
commissioning
inspections
G34
-
-0
01EN04
4/8
02--2011
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 GRID
T
est operati
ons of
circuit
-
-
breaker
Test operations
D
The
co
nn
ec
tio
n
of
au
xil
ia
ry
cir
cu
its
is
su
ffi
cie
ntl
y
ad
va
nc
ed
to
al
lo
w
rem
ote
controls to be used.
D
Perform 10 CLOSING
-
-
OPENING cycles electrically
, by
remote control.
Measurements
specific to the
circui
t-
-b
reaker
D
Closing time
Measure the closing time of each pole from current emission in the circuit--
brea
ker’s
clo
singelectro
-ma
gne
t
unti
l
the
mome
nt
whe
n
con
tacts
touc
h
in
the
pole.
D
Opening time
Mea
su
re
the
op
en
ing
tim
e
of
ea
ch
po
le,
fro
m
cu
rre
nt
em
iss
io
n
in
the
cir
cu
it-
-
breake
r’s opening electro-mag
net to
the moment when contacts
separa
te in
the pole.
D
Openin
g-closin
g sequence times :
Perform a CO cycle and measure the following times :
-
-
Closin
g time.
-
-
Opening
time.
-
-
Closing-opening
time.
D
Operating of auxiliary contacts (CS) :
-
-
Clo
sing
ope
rati
on
:
Meas
ure
ope
rati
ng
time
s
of
aux
ilia
ry
con
tacts
.
For
both
types of contact (a and b).
-
-
Openin
g operation : Measure opera
ting times
of auxiliary contacts. F
or
both types of contact (a and b).
D
Simultaneity gap between poles :
Measure the simultaneity gap
betwee
n poles
during the
followin
g operations
-
-
Closing.
-
-
Openin
g (circuit 1).
-
-
Openin
g (circuit 2).