There are increasing people using solar power generation system at present. After using solar power system, they find that the daily power generation does not meet anticipation in their mind. For example, some people install 3KW solar panels, but only produces 5 to 6KW/H a day and some even lower. However, some of their machines can produce as much as 20KW/H every day. Why? Who stole my electricity?
Generally speaking, there are the follow aspects:
- PV module efficiency
- Charge controller efficiency
- The voltage of wire decreases
- Loss and attenuation of storage battery
- Inverter efficiency