On February 2nd, 2012, Centrosolar AG (Hamburg, Germany) announced that TUEV Rheinland has certified that its solar photovoltaic (PV) modules are resistant to voltage-related performance degradation. This effect, which is referred to as potential induced degradation (PID), is one of the main causes of reduced performance of PV modules over the course of their life cycle.

“The outstanding results of the PID test are just another indication of the high quality of our modules. We examine cells and modules in our production facility according to the same standards as TUEV. We only deliver systems that are guaranteed to be PID-free,” Centrosolar Managing Director Johannes Kneip stated.

The test confirms that the performance of Centrosolar’s modules remains more or less consistent over decades. The company commissioned the acclaimed testing institute TUEV Rheinland to perform the analysis. During the test, the modules are subjected to a negative voltage of 1,000 volts for seven days at room temperature. The test qualifies as passed once the performance of the modules is reduced by no more than 5%.

2012-02-07| Courtesy: Centrosolar AG | solarserver.com © Heindl Server GmbH

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