Viewing entries tagged with 'secondary systems'

HVDC Pole 3 Upgrade

filler 9 June 2016

PBA were subcontracted by Siemens throughout the HVDC Pole 3 Project at Transpower’s Haywards and Benmore substations.


Haywards C9/T9 & C10/T10 Upgrade Project

filler 16 April 2015

PBA Technical Specialists completed the upgrade of Synchronous Condensers 9 and 10 and their associated Transformers at Haywards substation. The project was completed with the commissioning of SC10 8 months later.


GE Multilin relays - Orion Network

filler 20 March 2015

PBA were recently engaged by one of Orion’s HV Electrical Contractors to provide technical support at Larcomb and Weedons substations near Rolleston which form part of the Orion network.  The work involved pre-commissioning and commissioning of transformer, line, bus zone and feeder protection systems using GE Multilin relays for 11kV and 66kV equipment.