New 400 kV Nadab Substation

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

Nădab Project was designed to build one new interconnection substation with the Hungarian transmission grid. The substation provides also the support for a new 400 kV loop from Oradea Sud to Arad.

The initial stage consists in a triangle configuration with one interconnection OHL to Bekescsaba. In the final stage the configuration will be a quadrilateral with two interconnection OHLs to Bekescsaba.

Scope of works

  • A new 400 kV substation with 3 equipped bays as triangle configuration
  • Control & Protection System available for 4 nodes but commissioned for 3 nodes
  • AGC RTU connection
  • Telecom system
  • Metering system
  • AC/DC supply systems.

Our role

  • Local Project Management
    • Support during bidding period
    • 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 specification for electrical equipment
    • Supervision and coordination of construction and erection works
    • Claim management.
  • Commissioning Management.

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