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Innovative High Reliability High Voltage Equipment for the Power Grid

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RIF® – FGRBW Tough Series

FGRBW Series

Download our technical brochures:
Brochure for IEEE Bushings
Brochure for IEC Bushings

Performance

Main Characteristics for Transformer Bushings

1. Typical Performance

  • Transformer bushing alone: FGRB(L)W Series
  • Rated voltage for equipment: 40.5 to 252 kV
  • Rated current (Ir): 100 to 3150 A
  • Rated frequency: 50 Hz; 60 Hz

2. Environmental Conditions

  • Ambient temperature: -50C to +45C
  • Altitude: Altitude: <1000 m above sea level (for applications higher than 1000 m, special design is available.  Please contact us.)
  • Specific creepage distances: 25 to 31 mm/kV

3. Transformer Bushing Test  Data

Highest voltage for
equipment
Um kV(rms)
Rated power
frequency
withstand
voltage 1 min
50/60 Hz
kV (r.m.s)
Rated
lightning
impulse
withstand
voltage
kV (peak)
Partial
discharge pC
40.595200≤ 5
72.5140325≤ 5
126230550≤ 5
252460950≤ 5

Highest voltage for
equipment
Um kV (r.m.s)
Rated lr (A)
8001000 ~ 16002000 ~ 2500
Cantilever test load (N)
40.5100010002000
72.5100012502000
126125016002500
252125016002500

  • Dielectric dissipation factor (tanδ): tanδ ≤0.005 under 10 kV and 1.05 Ur/√3 voltage

pic-017

More Information

View our technical papers:
Brochure for IEEE Bushings
Brochure for IEC Bushings

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