8
TR A N S FOR M E R BUS H I NG S T Y PE G SA - OO
T EC H N I C A L G U I D E
—
Electrical data
—
04 Nameplate with
marking example.
Table 2. Electrical data
Ratings GSA-OO
73
123
145
170
245
Rated voltage IEC (kV)
72.5
123-170
145-170
170
245
Rated phase-to-earth voltage IEC (kV)
42
98
98
98
141
Insulation class IEEE (kV)
69
115
138
161
196
Rated line-to-ground voltage IEEE (kV)
44
88
88
102
146
Basic Insulation Level (kV)
(Equal to dry lightning impulse withstand
voltage)
350
550
650
750
1050
Rated current (A)
2500
2000
2000
2000
1600
Draw lead current (A), 1200 mm
2
1600
1600
1600
1600
1250
Rated frequency (Hz)
50/60
50/60
50/60
50/60
50/60
Temporary over voltage (kV)
73
170
170
170
196
Routine test 1 minute (kV)
160
260
310
365
505
Space for current transformer (mm)
0 / 300 / 500
0 / 300 / 500
100 / 300 / 500
100 / 300 / 500
100 / 300 / 600
Nominal capacitance C
1
±10 % (pF)
176 / 411 / 567
141 / 266 / 348
212 / 295 / 379
243 / 327 / 409
204 / 268 / 363
Table 3. Dimensions.
Dimensions are subject to modification without notice.
Type
GSA-OO Cat. No.
Space for
current
transformer
(mm)
Net mass
(kg)
Dimensions in mm
Number
of holes
n1
Flange
thickness
T
Cantilever load
Max. permitted loading
perpendicular to the terminal
Total
L
Transformer
side
L1
Cable
box side
L2
Flange
height
L3
Draw
lead
L4
Top part
L5
Cable
box side
L7
Condenser core
Center hole
D3
Min. gasket
surface
inner diam.
D4
Hole circle
D5
Flange
D6
Top nut
diam.
D7
Flange hole
D8
outer
D1
inner
D2
Operating load (N) Test load (N)
73
LF 135 073-BA 0
7
532
180
352
100
257
25
200
103
103
60
115
250
290
110
16
8
15
3150
6300
-BB
300
9
832
480
-BC
500
11
1032
680
123
LF 135 123-CA 0
16
712
260
452
100
357
25
300
143
143
60
155
290
335
110
16
12
15
3325
6650
-CB
300
21
1012
560
-CC
500
24
1212
760
145
LF 135 145-FA 100
19
899
357
542
100
447
25
390
143
143
60
155
290
335
110
16
12
15
3325
6650
-FB
300
23
1099
557
-FC
500
26
1299
757
170
LF 135 170-DA 100
21
1042
410
632
100
537
25
480
143
143
60
155
290
335
110
16
12
15
3325
6650
-DB
300
24
1242
610
-DC
500
28
1442
810
245
LF 135 245-EA 100
42
1372
610
762
100
667
25
610
173
175
60
190
350
400
110
20
8
15
3000
6000
-EB
300
47
1572
810
-EC
600
55
1872
1110
GSA52-OO/2000/0.3
LF 130 052-BB
kV
kV
A 50/60 Hz
BIL
SIL
AC
kg
0-90°
mm
Ludvika, Sweden
ABB
No.
Um
M
C1
C2
lr
L
pF Tan
δ
pF Tan
%
%
kV
kV
δ
