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Farnborough, Hampshire


Client: Undisclosed
Location: Farnborough, Hampshire
Objective: Installation, build-up & commissioning of 1 x 20/40MVA, 33/11.5kV transformer.

Scope of Work

  • Design, manufacture and testing of 1 x 20/40MVA, 33/11.5kV,  power transformer.
  • Full in-house routine,  lighting impulse, temperature rise, noise test, zero sequence & partial discharge testing also including tank leakage test.
  • Delivery using a semi-low loader then off-loading via mobile crane and lifted into position.
  • Full commissioning works as per the customers specification which includes; insulation resistance of each winding, core & secondary circuits, transformer ratio check, vector group check by 3 phase low voltage energization of transformer, checks on all CTs & VTs for insulation resistance, ratio & magnetization curves, operation of tapchanger through range & operation of limit switches, operation of protection equipment, oil sampling for routine, water & dissolve gas analysis.