Services - Self Contained Fluid Filled (SCFF)

Self Contained Fluid Filled

Self Contained Fluid Filled (SCFF) cable systems, also known as Low Pressure Oil Filled (LPOF) consist of cables, joints and terminations with oil-impregnated paper dielectric insulation. This is a legacy technology which was the norm for high voltage cable insulation during most of the 20th century. There is still a significant number of SCFF cable systems in service which need to be maintained, repaired, upgraded, diverted, and eventually de-commissioned and removed.

EHV Power provides the following services for SCFF cable systems:
  • Hydraulic system analysis and rehabilitation
  • Dieletric fluid degassification and testing
  • Installation of SCFF cable terminations up to 345kV
  • Installation of transition SCFF to XLPE cable joints
  • Dissolved gas analysis reporting
  • Installation of sheath bonding systems
  • Fault locating

EHV Power can service any brand of SCFF cable and accessories, with special focus on Canada Wire & Cable (CW&C), Alcatel Canada Wire (ACW) and hvGrid-tech systems.

Services
Overview

EHV Power can provide a full
range of design, installation
and maintenance services.

HIGH PRESSURE FLUID FILLED (HPFF)/HIGH PRESSURE PIPE TYPE (HPPT)

Consist of paper insulated cables encased in steel pipes and filled with dielectric oil maintained at high pressure (typically 200-300 psi).

CROSS-LINKED POLYETHYLENE SOLID DIELECTRIC
(XLPE)

Solid dielectric insulation technologies were developed during the latter part of the 20th century, as an alternative to paper/oil insulation for cable systems.

POWER
TUNNELS

High voltage cable systems are often installed inside tunnels and shafts, such as in urban centres, hydroelectric generating stations, among others.

Self Contained Fluid Filled (SCFF)
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