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Samlesbury, Lancashire


Client: Undisclosed
Location: Samlesbury, Lancashire
Objective: Installation & commissioning of 2 x 11,5/23MVA, 33/11kV transformers

Scope of Work

  • Design, manufacture and testing of 1 x 15/30MVA, 33/11.5kV,  power transformer.
  • Full in-house routine,  & partial discharge testing.
  • The transformer was delivered with radiators attached and conservator removed, using a  low loader then off-loading via mobile crane and lifted into position. The transformers was then built up using the same crane.
  • 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.