Featured in Cracking the code – 03-2011

The limits of automation

Monitoring systems: They warn against loss of performance, but sometimes they also trigger false alarms, causing unnecessary service call-outs. How such errors can be minimized was Armin Schmiegel’s topic at the 1st Inverter and PV System Technology Forum 2011 in Berlin (January 24-25, 2011). In pv magazine, the expert from voltwerk electronics, together with his colleague Andreas Linhart, explains the details.

The pride in the new photovoltaic array and the modern monitoring system didn’t last very long: after three months of faultless operation, the monitoring system started sending an alarm text message every day. The cause was quickly found, but it wasn’t an array fault. As the months went by, the shadow of a nearby building …

pv magazine
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