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All about PID – testing and avoidance in the field

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By Peter Hacke, Senior scientist, National Renewable energy Laboratory; Steve Johnston, National Renewable Energy Laboratory

Potential-induced degradation can cause significant power loss in modules if the appropriate precautions are not taken. In the first part of a new series in PV Tech Power on module failure, Peter Hacke and Steve Johnston assess the current state-of-the-art in detecting, avoiding and mitigating the worst effects of PID.

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Highlights in this issue include an in-depth piece from the US National Renewable Energy Laboratory on how the market is understanding and dealing with the issue of potential-induced degredation modules. We also feature an exclusive paper from the EU-funded Solar Bankability Project on its work to develop a methodology for assessing the economic impact of technical failures in PV power plants.

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