[shiftnav_toggle target="shiftnav-main" class="shiftnav-toggle-button" icon="bars"][/shiftnav_toggle]

Stockinish, Isle of Harris


Client: Undisclosed
Location: Stockinish, Isle of Harris
Objective: Installation & commissioning of 1 x 2.5MVA, 33/11.5kV transformer

Scope of Work

  • Design, manufacture and testing of 1 x 2.5MVA, 33/11.5kV transformer.
  • Full in-house routine testing & partial discharge.
  • Disconnection and removal of the customers existing transformer located at Stockinish.
  • Delivery of new 2.5MVA transformer from Winder Power, Leeds to Stockinish, Isle of Harris and off-loading using 100t crane off-loaded onto hydraulic skidding equipment which was then skidded 5m in the transformer housing and jacked down 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 energisation of transformer, checks on all CTs & VTs for insulation resistance, ratio & magnetisation curves, operation of tapchanger through range & operation of limit switches, operation of protection equipment, oil sampling for routine, water & dissolve gas analysis.