Function
Application 1
Application 2
Application 3
Application 4
Overfrequency protection SAPTOF (instance 2)
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Rate of change of frequency SAPFRC (instance 1)
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Rate of change of frequency SAPFRC (instance 2)
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Current circuit supervision CCSRDIF
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Fuse failure supervision SDDRFUF
On
On
On
On
Breaker close/trip circuit monitoring TCSSCBR
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Synchrocheck, energizing check, and synchronizing
SESRSYN
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Autorecloser for 3-phase operation SMBRREC , three-
phase trip (A01)
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Autorecloser for 1/3-phase operation STBRREC ,
three-phase/single-phase trip (A11/B11)
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Tripping logic, common 3-phase output SMPPTRC ,
three-phase trip (A01)
On
On
On
On
Tripping logic, phase segregated output SPTPTRC ,
three-phase/single-phase trip (A11/B11)
On
On
On
On
Station battery supervision SPVNZBAT
On
On
On
On
Insulation gas monitoring function SSIMG
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Insulation liquid monitoring function SSIML
Application
dependent
Application
dependent
Application
dependent
Application
dependent
Circuit breaker condition monitoring SSCBR
Application
dependent
Application
dependent
Application
dependent
Application
dependent
1MRK 505 291-UEN A
Section 2
Application
37
Application manual
Summary of Contents for Relion REQ650
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