Key losses in Photovoltaic system
How to calculate these losses:
(1)According to the distribution of the current
(1)Use string inverter
(2)Short circuit current step
2.??? Inverter .
It includes the inverter itself losses and DC transfer to AC, the MPPT will also lead to the loss.
The inverter itself s:
(3)Power threshold loss
(5)Voltage threshold loss
Inverter also has continuous open circuit losses at night. In general ,the open circuit losses will be 0.1%, full-load losses will be 1%
Voltage fluctuation will lead to ohmic losses. So cable losses according to the actual situation. Cable loss include AC loss and OC loss:
(1)AC loss means AC output to transformer junction,