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Study identifies new PID degradation mechanism in medium-voltage PV modules

French researchers have found that increasing PV system voltage significantly worsens potential-induced degradation (PID), with encapsulant conductivity playing a key role in module performance. They also identified a new degradation mechanism involving partial discharges and electrical treeing, highlighting additional reliability risks for medium-voltage PV modules. The post Study identifies new PID degradation mechanism in medium-voltage PV modules appeared first on pv magazine Global .

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French researchers have found that increasing PV system voltage significantly worsens potential-induced degradation (PID), with encapsulant conductivity playing a key role in module performance. They also identified a new degradation mechanism involving partial discharges and electrical treeing, highlighting additional reliability risks for medium-voltage PV modules.

The post Study identifies new PID degradation mechanism in medium-voltage PV modules appeared first on pv magazine Global.

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https://www.pv-magazine.com/2026/10/12/study-identifies-new-pid-degradation-mechanism-in-medium-voltage-pv-modules/

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