Sungrow SG30CX User Manual page 21

User Manual
Before enabling the PID recovery function, make sure the voltage polarity of
•
the PV modules to ground meets requirement. If there are any questions,
contact the PV module manufacturer or read the corresponding user manual.
PID recovery function and Q at night cannot be enabled at the same time.
•
If the voltage scheme for the PID protection/recovery function does not meet
•
the requirement of corresponding PV modules, the PID will not work as ex-
pected or even damage the PV modules.
If the PID recovery function is enabled, it only works at night.
•
After the PID recovery function is enabled, the voltage of the PV string to
•
ground is 500Vdc by default, and the default value can be modified through
the App.
A A F F C C I I F F u u n n c c t t i i o o n n ( ( O O p p t t i i o o n n a a l l ) )
AFCI activation
•
This function can be enabled to detect whether arc occurs in the DC circuit of the
inverter.
AFCI self-test
•
This function is intended to detect whether the AFCI function of the inverter is normal.
2 Product Description
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