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Protect PV.500_MH Operating Instructions
80000043212 BAL 41 of 68
DC voltage monitoring systems
Fault/Message
Deac-
tivat-ing
Self-
acknow-led
ging
Signalling
DOU message
Monitoring
DC overvoltage
X #DC voltage deviation#
Grid monitoring systems
Fault/Message
Deac-
tivat-ing
Self-
acknow-led
ging
Signalling
DOU message
Field rotation or phase fault X #Field rotation fault#
Monitoring
grid overfrequency
X #Mains frequency deviation#
Monitoring
grid underfrequency
X #Mains frequency deviation#
Monitoring
grid overvoltage
X #Mains voltage deviation#
Monitoring
grid undervoltage
X #Mains voltage deviation#
Monitoring
symmetric fault
X #Mains symmetry fault#