16kV GIP Reconfiguration

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Key Facts

Client: Meridian Energy

Location: Benmore Power Station

Generation 19 Nov 2013

The project scope was to reconfigure the 16kV system so that Unit 6 could be connected to Transpower’s 220kV bus in Switchyard A at the Benmore Power Station

This was accomplished through the installation of a three winding 225mVA transformer, which had it’s LV terminals directly connected to the IPB from Generator 6.  The HV terminals were connected to the 220kV bus via the overhead transmission line and CB in switchyard A.

Electrix installed, assembled, tested and commissioned the new 225mVA transformer.  

Eighteen 800mm2 XLPE AI cables in a trefoil configuration between the transformer and generator were installed.  

Electrix teams also erected 220kV towers and strung new conductors in spans as an integral part of this project.

The multi disciplined nature of our business enabled a 'One stop shop" approach for our customer with lines and technical staff being able to deliver the total package.

Subcontractors were engaged to erect a 9 metre high fire wall between the Meridian and Transpower plant.

Electrix technicians installed protection relays and tested and commissioned the final works.

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