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