Q1. Where is the solar power system used? What is the solar radiation situation in this place?
Q2. What is the load power of the system?
Q3. What is the output voltage of the system, DC or AC?
Q4. How many hours does the system need to work every day?
Q5. In case of rainy weather without sunlight, how many days does the system need to supply power continuously?
Q6. What is the starting current when the load is purely resistive, capacitive or inductive?
Q7. The number of system requirements.