f-Protection Module – Frequency Protection [ANSI 81O/U]
Frequency Protection Module Input States
Name
Description
Assignment via
ExBlo1-I
Module input state: External
blocking1
[Protection Para
/Global Prot Para
/f-Prot
/f[1]]
ExBlo2-I
Module input state: External
blocking2
[Protection Para
/Global Prot Para
/f-Prot
/f[1]]
ExBlo TripCmd-I
Module input state: External
Blocking of the Trip Command
[Protection Para
/Global Prot Para
/f-Prot
/f[1]]
Frequency Protection Module Signals (Output States)
Name
Description
active
Signal: active
ExBlo
Signal: External Blocking
Blo by V<
Signal: Module is blocked by undervoltage.
Blo TripCmd
Signal: Trip Command blocked
ExBlo TripCmd
Signal: External Blocking of the Trip Command
Alarm f
Signal: Alarm Frequency Protection
Alarm df/dt | DF/DT
Alarm instantaneous or average value of the rate-of-
frequency-change
Alarm delta phi
Signal: Alarm Vector Surge
Alarm
Signal: Alarm Frequency Protection (collective signal)
Trip f
Signal: Frequency has exceeded the limit.
Trip df/dt | DF/DT
Signal: Trip df/dt or DF/DT
Trip delta phi
Signal: Trip delta phi
Trip
Signal: Trip Frequency Protection (collective signal)
TripCmd
Signal: Trip Command
EN MRA4 04/09
Page 411
Summary of Contents for SEG HighPROTEC MRA4
Page 1: ...MRA4 HighPROTEC Feeder Protection Device Manual DOK HB MRA4E...
Page 3: ...Order Code EN MRA4 04 09 Page 3...
Page 59: ...Navigation Operation Navigation Operation EN MRA4 04 09 Page 59 1 4 2 3 5 7 6 8 9...
Page 378: ...PQS Power Protection Module ANSI 32 37 Page 378 EN MRA4 04 09 P P Q P Q P Q Q Q P S S...
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