IEC 61646 pdf – Thin-film terrestrial photovoltaic (PV) modules – Design qualification and type approval 1 Scope and object This International Standard lays down requirements for the design qualification and typeapproval of terrestrial，thin-film photovoltaic modules suitable for long-term operation ingeneral open-air climates as defined in IEC 60721-2-1.This standard is intended to apply toall terrestrial flat plate module materials not covered...