Product catalog

RIP-insulated transformer bushings STARIP+/STARIP-Si+ series

Advantages: 

  • No partial discharges ranks
  • Solid RIP insulated design
  • Porcelain or polymer insulator
  • Expanded range of bushings with rated voltage: 24-245 kV 
  • Maintenance free
  • Fast delivery time
  • Possibility to use at ambient temperature – 60°C

Main technical characteristics

STARIP®+/STARIP®-Si+     24 36 52 73 126 145 172 245
Highest operating voltage 50/60 Hz kV   24 36 52 72.5 126 145 172 245
Partial discharge level pCL   < 5 < 5 < 5 < 5 < 5 < 5 < 5 < 5
Test voltage: 50 Hz;1 min. dry kV   55 77 105 155 255 305 355 505
Lightning impulse test voltage: 1.2/50 µs kV   125 170 250 325 550 650 750 1050
Switching test voltage pulse: 250/2500 µs kV   – – – – – – – 850
Maximum rated current: Imax/450 mm 2 A   800 800 800 800 800 800 800 800
Maximum rated current (removable core): Imax A   1600 1600 1600 1600 1600 1600 1250 1250
Maximum rated current fixed core): Imax A   2500 2500 2500 2500 2000 2000 2000 1600
Minimum arc path length mm S.W. 380 380 661 661 1138 1301 1451 2770
Creepage distance mm   1120 1120 2250 2250 3900 4500 5270 9300
Specific creepage distance mm/kV   46.7 31.1 43.3 31.0 31.7 31.0 31.0 38.0

Standard: IEC 60137-2017, possible adaptation to DSTU EN 60137:2016

CATALOG Transformer high-voltage bushings with RIP insulation STARIP®+/STARIP®-Si+ series