Key product certification - Grid-connected inverter Test:Ø performance test1) Performance test2) Inspection of the quality of the body and structure3) Conversion efficiency test4) Harmonics test of grid-connected current5) Power factor measurement test6) Grid voltage response test7) Frequency response test of power network8) DC component testØ EMC performance test1) Conducting emission test2) Radiation emission test3) Electrostatic discharge immunity test4) Rf electromagnetic field rad

Power station detection - system inspection1. Documents and materials: project approval, land use license, procurement and contracting contract under grid-connected agreement, design scheme and industrial drawing, technical manual and certification of key parts, completion report, system maintenance manual.2. Compliance review of power station equipment: components, inverter, bus box, bracket, DC distribution system, monitoring system, etc.3. Inspection of system electrical equipment: quality of

Ø operational objectives:Through on-site confirmation of the power station and long-term/regular performance tracking, the actual performance of the power station can be effectively evaluated based on a large number of direct field data, which can provide reliable prediction basis for the owner or other investors.Ø ops content:1) Data and on-site confirmation2) Long-term/regular performance tracking test3) Suggestions for improvement of power station performanceØ operational outpu

1. What is verpackG?This is a new packaging law introduced in Germany in 2019. All e-commerce companies are required to register packaging and bear the cost of recycling packaging for products sold.2. What is the purpose of packaging Recycling (verpackG)?Based on environmental protection, the German government aims to reduce waste pollution, promote the use of recyclable packaging and recycled materials, and how packaging materials are recycled. All manufacturers and/or retailers, who are the fi