50Hertz Offshore GmbH (50Hertz) intends to carry out extensive new construction and conversion measures for the 380/220 kV turbines in the existing Gnewitz substation.

The scope of services in this tender essentially includes electrical engineering planning services, material deliveries, assembly, and commissioning as well as dismantling and disposal services. Construction work and delivery of large components are provided.

New 380 kV building

• 3 Sammelschienen 380 kV

• 2 × 380 kV switchgear line (2 × Bentwisch)

• 1 × 380 kV (transverse) coupling with internal longitudinal separation

• 2 × technologically induced 380 kV empty field

• 4 × 380 kV switchboard 380/220 kV transformer

• 3 × 380/220-kV transformer 350 MVA

• 1 × 380/220-kV Netzkuppel-transformer 400 MVA

New 220 kV building

• 3 Sammelschienen 220 kV

• 1 × 220 kV (transverse) coupling with internal longitudinal separation

• 1 × 220 kV (transverse) coupling with external longitudinal separations

• 3 × 220 kV control panel cable/reactive power compensation coil (connection OST-6-1)

• 1 × 220-kV-Schaltfeld Blindleistungskompensationsspule

• 2 × 220-kV-Schaltfeld C-Type-Filter

• 4 × 220 kV switchboard 380/220 kV transformer

• 2 × 220 kV switchboard cable with connection to line (Lüdershagen – Bentwisch switchboards)

• 2 × 220-kV Cable Assembly (UW internal)

• 2 × C-Type-Filter

• 4 × 220 kV reactive power compensation coil 176 Mvar adjustable