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Case study – Cement Factory


Garrett KellyA cement factory in Ireland, one Sunday evening at 8.30pm, suddenly came to a complete halt. Garrett Kelly, Unipower representative, was asked to come in to investigate the problem.

8 years earlier the cement factory had installed PQ Secure system and a UP 2210 for post-processing of data.

The Meter was still logging as it should. After the data was downloaded Garrett’s investigation showed an arcing earth fault caused the interruption.


Cement Factory Case StudyMore important was that the data showed that the shutdown could have been avoided.

PQ Secure is designed to be an early-warning system so after a system upgrade PQ Secure is now in use documenting as before and at the same time alerting for abnormal values and disturbances. More UP 2210s have also been added to strategic connections.

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