Replacement of generator and gearbox

Published

21 May 2024

Place of performance

Aalborg Øst, DK050

Procedure

Negotiated procedure

Lots

1

Notice number

00296804-2024

Reference

d356c3af-0359-4f33-922d-a74813804f99

Official source

Official source

CPV codes

• 31000000Máquinas, aparatos, equipo y productos consumibles eléctricos; iluminación

Description

Nordværk I/S is an environmental waste handling facility. One of the methods of getting rid of waste, is a waste incinerator. For this purpose, Nordværk I/S has two lines. Furnace line 3 (unit 3) and furnace line 4 (unit 4). Furnace line 4 comprises a steam turbine connected through a planetary gear to a generator. The generator is a LDW from 2005 and has been in operation since then. In 2016, while the rotor was dismantled and sent to workshop for rewinding, a reversal of the star point was performed on the generator. In this operation, the terminals and the star point were moved to the other end of the generator. The reasoning behind the reversal was that the stator was starting to suffer from severe partial discharge. This operation had positive effects on the partial discharge level. The generator's partial discharge level has been monitored since April 2017. The level of partial discharge has now reached a level of intensity, where prolonged usage of the generator may cause economic consequences. I conjunction with the partial discharge, the generator's main terminal box is showing signs of heavy ozone contamination. This is visible on wires where some of the insulation is …

Awards

Official publications

• TED · 00296804-2024 · 21 May 2024
• OJS · 97/2024 · 21 May 2024

Frequently asked questions

Who is the buyer of this tender?

The contracting authority is Nordværk I/S (European Union).

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