Rehabilitation of the 400 / 220 / 110 / 6 kV Iernut Substation

Client: C.N.T.E.E. Transelectrica S.A.
Project co-Financed by: World Bank
Contractor: Siemens Austria

Iernut Project was designed to rehabilitate one of the most important substations of Transilvania area, considering the central position within 220 and 400 kV grid and the connection of the largest gas-fired power plant. Using a high-tech and a specific configuration (1,5 CBs / circuit), the substation was rehabilitated in three steps fulfilling the requirements of functionality and availability of the network.

Scope of works

  • Re-routing of 400 and 220 kV OHL
  • One new 200 MVA, 220 / 110 kV autotransformer
  • One new 40 MVA and one 16 MVA, 110 / 6,3 kV transformers
  • New 110 kV substation with 14 equipped bays
  • New 220 kV substation with 14 equipped bays for 9 circuits
  • New 400 kV substation with 4 equipped bays
  • New control and protection system
  • New metering system
  • New AC/DC supply systems.

Our role

  • Local Project Management
    • Support during bidding process
    • Assistance in establishment of the project organization
    • Project planning
    • Coordination of the local suppliers
    • Coordination of the local project designing
    • Revision and coordination of the technical specifications for electrical equipment
    • Supervision and coordination of construction and erection works
    • Claim management
  • Commissioning Management
  • Warranty services.

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