Hamilton - UPS Upgrades and Commissioning

Scheduled for Apr 29, 07:00 - 12:00 NZST

Update

We will be undergoing scheduled maintenance during this time.
Posted Apr 16, 2025 - 12:15 NZST

Scheduled

On the 29th of April work will be undertaken to complete the UPS upgrade and replacement at our Hamilton facility.

The work will be done without the external bypass.

Step-by-Step Migration Process
Isolate and Remove the First ABB UPS
Ensure the remaining ABB UPS can support the full site load.
Disconnect and remove the first ABB UPS

Install and Power Up the First Centiel UPS
Connect the first Centiel UPS to the same power source as the ABB unit.
Synchronize the Centiel UPS to the ABB UPS (voltage, frequency, phase).
Slowly introduce part of the load to the Centiel UPS.

Repeat for the Second UPS
Once the first Centiel UPS is stable, disconnect the second ABB UPS.
Install and introduce the second Centiel UPS.
Posted Apr 16, 2025 - 12:15 NZST
This scheduled maintenance affects: Hamilton Data Center (UPS and Power).