ABB
Bay control REC650
Product version: 1.1
IEC 61850/
ANSI
Function description
Function
block
name
Frequency protection
SAPTUF
81
Underfrequency function
SAPTOF
81
Overfrequency function
SAPFRC
81
Rate-of-change frequency protection
1MRK 511 249-BEN -
Issued: February 2011
Bay
2
2
2
2
2
2
2
2
2
15