Product catalog

Transformer high-voltage bushings with voltage 110 kV

 Transformer high-voltage bushings with a voltage of 110 kV with RIP insulation are presented with a porcelain insulator ( STARIP®+ series ) and with a polymer insulator ( STARIP®-Si+ series ) in accordance with the international standard IEC 60137.

Main technical characteristics

RIP-insulated transformer bushings STARIP®+/STARIP®-Si+ series   126
Parameter U measurement Meaning
Highest operating voltage 50/60 Hz kV 126
Partial discharge level pCL < 5
Test voltage: 50 Hz;1 min. dry kV 255
Lightning impulse test voltage: 1.2/50 µs kV 550
Switching test voltage pulse: 250/2500 µs kV –
Maximum rated current: Imax/450 mm 2 A 800
Maximum rated current (removable core): Imax A 1600
Maximum rated current fixed core): Imax A 2000
Minimum arc path length mm, SW 1138
Creepage distance mm 3900
Specific creepage distance mm/kV 31.7

 

Transformer high-voltage bushings with a voltage of 110 kV with RIP insulation are presented with a porcelain insulator ( ETFt series ) and with a polymer insulator ( SETFt series ) in accordance with the international standard IEC 60137.

Main technical characteristics

RIP-insulated transformer bushings ETFt/SETFt series    
Technical specifications U measurement 123-A 123-B
Highest operating voltage, Um kV 123 123
Highest operating phase voltage kV 71 71
Partial discharge level pCL < 5 < 5
Power frequency test voltage 50 Hz, 1 min kV 255 255
Full wave lightning impulse test voltage 1.2/50 µs kV 550 550
Switching impulse test voltage 250/2500 µs kV - -
Typical test voltages      
Full wave lightning impulse test voltage 1.2/50 µs: negative polarity kV 605 605
Test voltage of lightning impulse of sheared wave: negative polarity kV 666 666
Switching pulse test voltage 250/2500 µs in dry condition: negative polarity kV - -
Maximum operating current: continuous cable connection, Imax A 800 1250
Maximum operating current: split current-carrying core, Imax A 2000 2500
Minimum arc path length, SW mm 1138 1138
Creepage distance, min. mm 3976 3976
Leak rate l/s 3.5 3.5
Test cantilever load N 3150 4000
Specific creepage distance mm/kV 32.3 32.3
Dimensions      
D1 mm 130 150
D2 mm 100 120
D3 mm 290 290
D4 mm 335 335
D5 mm 200 200
D6 mm 280 280
L5 mm 90 90
d1 mm 50 69
d2 mm 65 85
l1 mm 50 50
s mm 20 20
i mm 20 20
z   12 12
a ° thirty thirty
Contact terminal dimensions d3 x L4 mm ≤ 1250 A = Ø 30 x 90; ≤ 1600 A = Ø 42 x 135; ≤ 2500 A = Ø 48 x 135
Size for TT installation      
E mm 0 0
L1 mm 350 350
L2 mm 1503 1533
L3 mm 155 155
Total length, L mm 1853 1883
Size for TT installation      
E mm 300 300
L1 mm 650 650
Total length, L mm 2153 2183
Size for TT installation      
E mm 600 600
L1 mm 950 950
Total length, L mm 2453 2483

 

 Transformer high-voltage bushings with a voltage of 110 kV with RIP insulation are presented with a porcelain insulator ( STARIP®+ series ) and with a polymer insulator ( STARIP®-Si+ series ) in accordance with the international standard IEC 60137.

Main technical characteristics

RIP-insulated transformer bushings STARIP®+/STARIP®-Si+ series   126
Parameter U measurement Meaning
Highest operating voltage 50/60 Hz kV 126
Partial discharge level pCL < 5
Test voltage: 50 Hz;1 min. dry kV 255
Lightning impulse test voltage: 1.2/50 µs kV 550
Switching test voltage pulse: 250/2500 µs kV –
Maximum rated current: Imax/450 mm 2 A 800
Maximum rated current (removable core): Imax A 1600
Maximum rated current fixed core): Imax A 2000
Minimum arc path length mm, SW 1138
Creepage distance mm 3900
Specific creepage distance mm/kV 31.7

 

Transformer high-voltage bushings with a voltage of 110 kV with RIP insulation are presented with a porcelain insulator ( ETFt series ) and with a polymer insulator ( SETFt series ) in accordance with the international standard IEC 60137.

Main technical characteristics

RIP-insulated transformer bushings ETFt/SETFt series    
Technical specifications U measurement 123-A 123-B
Highest operating voltage, Um kV 123 123
Highest operating phase voltage kV 71 71
Partial discharge level pCL < 5 < 5
Power frequency test voltage 50 Hz, 1 min kV 255 255
Full wave lightning impulse test voltage 1.2/50 µs kV 550 550
Switching impulse test voltage 250/2500 µs kV - -
Typical test voltages      
Full wave lightning impulse test voltage 1.2/50 µs: negative polarity kV 605 605
Test voltage of lightning impulse of sheared wave: negative polarity kV 666 666
Switching pulse test voltage 250/2500 µs in dry condition: negative polarity kV - -
Maximum operating current: continuous cable connection, Imax A 800 1250
Maximum operating current: split current-carrying core, Imax A 2000 2500
Minimum arc path length, SW mm 1138 1138
Creepage distance, min. mm 3976 3976
Leak rate l/s 3.5 3.5
Test cantilever load N 3150 4000
Specific creepage distance mm/kV 32.3 32.3
Dimensions      
D1 mm 130 150
D2 mm 100 120
D3 mm 290 290
D4 mm 335 335
D5 mm 200 200
D6 mm 280 280
L5 mm 90 90
d1 mm 50 69
d2 mm 65 85
l1 mm 50 50
s mm 20 20
i mm 20 20
z   12 12
a ° thirty thirty
Contact terminal dimensions d3 x L4 mm ≤ 1250 A = Ø 30 x 90; ≤ 1600 A = Ø 42 x 135; ≤ 2500 A = Ø 48 x 135
Size for TT installation      
E mm 0 0
L1 mm 350 350
L2 mm 1503 1533
L3 mm 155 155
Total length, L mm 1853 1883
Size for TT installation      
E mm 300 300
L1 mm 650 650
Total length, L mm 2153 2183
Size for TT installation      
E mm 600 600
L1 mm 950 950
Total length, L mm 2453 2483