Description -
Rate of change of frequency (ROCOF) exceeds the
grid disconnection threshold.
Severity Level - 3
RNWBL Service Line
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- Event Code - 21 - AC V <<< (L-N)
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- Event Code - 28 - AC V > NamePlt (L-L)
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- Event Code - 30 - AC V > (avg)
- Event Code - 31 - AC V > (L-N)