Solar Electric Energy Systems 10 - Performance, Quality & Durability of PV (2023)

How determine quality risks of PV modules: Test procedures, standards, #bankability
00:32 Standards for quality tests of PV modules
01:42 IEC 61215, IEC 61730 test sequences in detail
12:45 IEC 61646 for tests of thin film PV modules (a-Si, CdTe, CIGS)
13:27 Statistics of failures after IEC tests: Thin film vs. c-Si PV modules
14:06 Quality risks along the entire PV value chain:
raw material, wafer, PV cell & PV module production, transportation, installation, operation
17:38 Microcracks & Electroluminescence (EL) Analysis
20:17 Classification of severeness of microcracks
21:03 Relevance of damages for PV manufacturers, buyers, retailers, installers and investors
25:35 Parameters relevant for the reliability of PV module lamination
26:52 Quality checks for lamination: 1000 h damp heat, gel content test, peel test
29:15 PID - Potential Induced Degradation: principle, tests, regeneration methods
41:00 Challenge Quality & Reliability: List of issues
42:55 Aerial EL inspections by drones
44:49 Principle of Electroluminescence (EL)
45:10 Daylight EL by Stuttgart University
45:27 Summary & Recommendations
48:00 Exercise