Ausgrid Witness Testing by BCJ Controls | Anti Islanding

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Ausgrid Witness Testing

• Ausgrid Witness Testing for Commercial Solar
• BCJ Controls Australia

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• Customers with installations within the Ausgrid
  service area are required to carry out witness
  testing of their installations. Checks on the
  protection relays and inverters will need to be
  carried out in situ, in conjunction with an
  Ausgrid employee on the same day. Ausgrid witness
  testing is considered by Ausgrid to be
  commissioning works, carried out under their
  standards NS194 and NS194A.
• A Witness Tester will need to perform several
  electrical tests on the relay. These include
  over/under voltage, over/under frequency, phase
  shift, rate of change of frequency (ROCOF). These
  tests are all concerned with what happens during
  a Loss-of-Mains (LoM) event, and its potential
  impact on the network. Short-circuit protection
  (overcurrent) is not considered a part of this
  testing regimen, and should be carried out at a
  different time.

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• An Ausgrid person will be present, as your
  installation will be connected to the network
  during the final operational checks. They will
  want to see that the primary network protection
  operates as intended, as well as look at the
  relevant test plans and results. They will want
  to see that what has been built and tested
  matches the agreed design. They may ask for
  copies of results and settings to be supplied as
  an official record.

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• The Tester will also carry out checks on the
  Inverter, and supply Ausgrid with a copy of the
  Inverter settings (generally with a screenshot
  direct from the Inverter software).
• Organizing both a Witness Tester and Ausgrid for
  the same day can be a challenge, so you will need
  to be flexible in your choice of date and time.
  At BCJ Controls we can carry out the testing, and
  make the arrangements with Ausgrid for you
  saving you a good deal of hassle! We can cover
  the entire Ausgrid service area, including Sydney
  Metro, Central Coast, Newcastle, Hunter Valley,
  and Muswellbrook regions.

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• At BCJ Controls we offer Ausgrid Witness Testing
  as a service to commercial solar installers who
  want to get their solar installation over the
  mark with Ausgrid.
• Generally we coordinate Ausgrid and our tester so
  that there is someone to test the relay in front
  of the Ausgrid representative. Give us a call on
  02 9534 8465 to arrange.

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Visit us
Systems to Help You Connect

• www.bcjcontrols.com.au

2,17 Lorraine St Peakhurst NSW 2210