Nyrstar enjoys continuous insight into the quality of its electricity

Insight into the quality of electricity

EMT720T meters register all Power Quality circumstances

Referentie Nyrstar Monitoring
A year ago we experienced unexplained short-term outages of our thyristors. In order to have insight into our Power Quality at the time of future outages, HyTEPS advised and supplied us with SATEC EM720T meters. Now – through the supplied software – we have insight into the quality of our electricity at any time, real-time but also in the past.
Patrick Emmers

Reliability Engineer E&I at Nyrstar

Advanced fast meters
Registration of all Power Quality happenings
Real-Time Insight
Insight into history

Inexplicable loss of thyristors

Nyrstar is the only zinc producer in the Netherlands and produces circa 290,000 tons of high-quality zinc annually.
“When producing zinc, we use rectifiers with thyristors and diodes. A year ago we had to deal with an inexplicable temporary failure of our rectifiers with thyristors. During extensive research into the cause of the failure, the question about the quality of our electricity came up. When the term Power Quality was mentioned, we immediately approached HyTEPS, our regular supplier in the field of Power Quality.”

Understanding Power Quality with EM720T

“In consultation with HyTEPS we have chosen for the EM720T. This is the fastest and most advanced meter that registers all possible Power Quality events, including transients, surges, dips, flicker and harmonics.

HyTEPS delivered four of these meters, one for each of our 10 KV power lines. We configured the meters and associated software in collaboration with HyTEPS.”

Real time insight and history

“Whenever we experience a failure of equipment such as frequency converters, power supplies or the thyristors, we are able to check the status of the Power Quality immediately – real-time – but also in the past. This reduces our search area concerning the cause of the failure. In addition, we are able to provide insight into long-term trends.“


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