Alstom FKG1X - Page 159

Installation
Filling with SF
6
gas
M32
-
-0
01EN06
4/10
02--2011
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on or
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 GRID
Filling with SF
6
gas
Filling pressure
calculation
Cal
cul
ate
the
SF
6
gas
filli
ng
pre
ssu
re
in
acc
ord
anc
e
with
the
tempe
ratu
re
and
the
local atmospheric pressure.
Filling is carried out to calculated pressure plus 0.01 MPa.
See the module “
SF
6
gas
monitor
ing
”.
Filling
The
table
below
gives
the
steps
of
the
filling
with
SF
6
ga
s opera
tion
:
7
1
1
Open
Closed
9
SF
6
10
2
S
t
e
p
A
c
t
i
o
n
C
o
m
m
e
n
t
1
Co
nn
ec
t t
he
tu
be
(2
)
to
th
e
fi
ll
in
g
tool (10).
2
O
p
e
n
t
h
e
S
F
6
 gas bottle tap (7)
an
d
ad
jus
t
ga
s out
pu
t
by ac
tin
g
on
the
co
ck
(9
)
of
the
pr
es
su
re
re
du
c-
er (reduced flow rate).
Close the tap (7) from time to
time to check pressure on the
gauge (11).
3
Sta
rt
fil
li
ng
ag
ai
n
un
til
the
re
qu
ire
d
pressu
re
is
reache
d.
4
C
lo
se
in
th
is
or
de
r :
th
e t
ap
(7
),
then the cock (9).