Seaway 7 – Moray West OWF – March to October 2024 – Termination & Testing of 66kV inter-array cables

The Correll Group, Electrical Engineering Division (CEE) was awarded a contract from Seaway 7 to complete the 66kV inter-array cable termination on Moray West Offshore Wind Farm.

Moray West Offshore Wind Farm comprises 60 Wind Turbine Generators and 2 Offshore Substation Platforms (OSPs). Correll Group will be responsible for completing the terminations into the switchgear, installing the Pfisterer size 4 on the OSPs, and the termination and testing of the Fibre Optic cables.

Schedule of works:

• Pre-project meetings
• Weekly meetings
• Site visits
• Mock-up Trials
• Pre Project training
• Mobilisation of PPE, tools & test equipment via 20ft containers.
• Pre & Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry)
• DAC testing (Damped AC testing)
• On the offshore assets:
  • Tower mobilisation and preparation
  • Stripping the array cables to expose HV cores and fibre optical cable
  • Complete the permanent hang-off
  • Route the HV and FO cables into the GBS
  • Route the HV and FO cable into the OSP
  • Cleat the HV cores from the hang off to the Connex Joints on OSP
  • Cleat the HV cores from the hang off to the SGRE switchgear
  • Terminate and splice the FO cable into the termination box
  • Terminate Pfisterer size 4 power cores into the Connex Joints on OSP
  • Complete post installation string testing on the WTG asset (OTDR) DAC testing
  • Deliver all “As Built” documentation. (IAuditor)
  • Moray West 66kv 60 towers (NKT terms 270 completed) 2 OSP’s Pfisterer size 4 (42 terminations completed) Pre term testing and post term testing including IR,TDR,OTDR and DAC Testing
  • Complete terminations of interconnector cable between OPS’s.

For further information: Contact Us