Featured in Head pointed toward the sun – 10-2013

No confidence in manufacturer tests

Potential-induced degradation: Even though many module manufacturers are now promoting PID-resistant modules, the problem of potential-induced degradation remains unsolved. Three experts explain why not all tests can be trusted, and how to detect and reduce the effect.

By

pv magazine

01 Oct 2013

“PID? Not a problem with our modules!” Just about every module manufacturer has publicized this phrase in one form or another. Or: “For us, PID is a thing of the past! We’ve got the problem under control. And here’s the certificate to show it.” In making these statements, manufacturers are relying on self-chosen test methods …

This article is part of pv+

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