Electrical Data - ABB GSB 245 Technical Manual

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 B T E C H N I C A L G U I D E
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Electrical data

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Table 2. Electrical data
Ratings GSB
Rated voltage IEC (kV) / Nominal system
voltage
Rated phase-to-ground voltage IEC (kV) /
Insulation class (kV)
Rated line-to-ground voltage IEEE (kV)
Basic Insulation Level (kV) (
lightning impulse withstand voltage.)
Dry switching impulse (kV)
Wet switching impulse (kV)
Rated current (A) IEC/IEEE
Al conductor
Cu conductor
Rated frequency (Hz)
Temporary over voltage (kV) IEC (phase-to-
ground voltage)
Wet power frequency AC (kV)
Dry power frequency, routine test 1 min. (kV)
Nominal capacitance between conductor and
test tap C
transformer CT = 300/600 mm
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Table 3. Draw lead current.
Draw lead current
1x50 mm
1x95 mm
1x150 mm
(3x95) 285 mm
(3x150) 450 mm
(3x240) 720 mm
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04 Nameplate with
marking example.
Equal to dry
±10 % (pF), with space for current
1
GSB 245
IEC IEEE
190 130
2
290 200
2
410 290
2
2 700 490
900 630
2
1220 850
2
245 362 420
245 362 420
146 220 243
146 220 243
1050 1175 1550
850 950 1050
750 950 1050
2000 1600 1600
3150 3150 2500
50-60 50-60 50-60
196 290 336
460 n.a. 650
506 561 695
663/769 619/701 579/652
GSB 362
IEC IEEE IEC
160 110 140
280 190 240
380 260 370
570 400 570
850 590 830
1120 780 1120
550-1675 550-1800
550 550
318 318
318 318
1675 1800
1300 1300
1300 1300
1600 1600
2500 2500
50-60 50-60
440 440
750 750
750 750
553/612 553/612
GSB 550-1675
GSB 420 and 550-1800
IEEE IEC
100 120 80
170 200 140
300 350 240
400 510 350
580 740 510
780 1000 700
IEEE