Anti-Pid Function Setting; Pid Repair - Sungrow SG4950HV-MV System Manual

10 Main Functions

10.9.2 Anti-PID Function Setting

For MV Station with optional anti-PID function, the enable and disable of this
function can only be performed by personnel from Sungrow. Contact Sungrow
if you need to switch this function.
Proceed as follows to set the mode if the Anti-PID mode is enabled:
step 1 Tap "Function" from the default menu.
step 2 Tap "Set-parameter".
step 3 Tap "Pro-parameter" after entering the correct password.
step 4 Click Next to find the page with "Anti-PID mode" and select the mode by the drop-
down list (Suppression/Repair).
Select according to the on-site situation.
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10.9.3 PID Repair

Make sure the "Anti-PID mode" in the protection parameter of the MV Station
is "Repair" when enabling the PID repair function.
If the MV Station is in deep standby state or the repair process is interrupted, user can
enable the repair function manually from the LCD as follows:
step 1 Tap "Function" from the default menu.
step 2 Tap "Set-parameter".
step 3 Tap "Pro-parameter" after entering the correct password.
step 4 Click Next to find the page with "PID repair" and click to enable the manual repair.
If this function is enabled, the Work state in the main screen will show "Repair PV".
User may find the "Negative Vgnd" is about 500V from "Function->Run-
information->Real Time Data".
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If there is Key stop or Emergency stop or a device fault during the repair
process, the repair process will automatically stop.
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System Manual