1. There are many test items. I will focus on the test items required for photovoltaic modules at the power plant site. The current international standard is IEC62446, and national third-party testing agencies also have similar guidelines. and specifications.
2. The key points are insulation resistance, grounding continuity, IV characteristics, open circuit voltage, short circuit current, infrared or EL testing, wind speed irradiation and other environmental tests. For more details, please refer to my. previous article in the library "Solution for testing, operation and maintenance of solar photovoltaic power plants"