Alstom FKG1X - Electrical Wear Limits

Maintenance
Electrical wear limits
G51
-
-0
51EN03
1/2
02--2011
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 GRID
Electrical wear limits
Estimation
Electrica
l
wear
can
be
determine
d
by
means
of
the
curve
below
.
This
curve
corre-
spo
nds wit
h the formul
a
:
0<I<10 kA
Σ
I
1.2
<12000 kA
1.2
(*)
(*) Normal guarantee. In certain special operation conditions, other values may be
guaranteed.
Diagram
Electrica
l
endura
nce
load
current
N
u
m
b
e
r
o
f
i
n
t
e
r
r
u
p
t
i
o
n
s
1
10
100
1 000
10 000
100 000
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
1
0
0
1
1
0
1
2
0
1
3
0
1
4
0
1
5
0
1
6
0
kA
Current tables
Admissib
le
short
circuit
curren
ts:
C
u
rr
e
n
t
(
k
A
)
N
u
mb
e
r
o
f
i
n
te
r
ru
p
ti
o
n
s
1
6
0
2
1
4
0
2
1
2
0
3
1
0
0
4
80
6
6
3
1
0