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Rehabilitation of Power Plants Castasegna & Löbbia

Renewal of Castasegna HPP & Löbbia PSPP in Switzerland

Description of project:

  • Building renewal (transformer bays, cable ducts, false floor, structural fire protection)
  • 4 x 220 kV air insulated switchgear bays (Löbbia)
  • 18 x 12 kV air insulated generator switchgear bays
  • 40 x 12 kV air insulated switchgear bays
  • 220 kV cable connections
  • 12 kV cable connections
  • Generator bus ducts, transformer bus ducts
  • 4 sets of 10 MVA current limiting inductors 12kV
  • 7 units of 55/3 MVA single-phase GSU transformer 12/220 kV
  • 2 units of 78 MVA three-phase GSU transformer 12/220 kV
  • 2 units of 6 MVA three-phase regulation transformer 12/12 kV
  • Container with interim switchgear 12 kV
  • HVAC for Castasegna underground plant with extended fire protection and heat recovery system

ÅF's services:

  • Project Management
  • Tendering, Evaluation, Contracts
  • Detail Design
  • Design Approval
  • Site Supervision
  • Monitoring Schedule of performance
  • Commissioning
  • Project Accounting

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