ABB REC670 Applications Manual page 550

Section 20
Station communication
544
local
IED
MU
IEC13000300 V2 EN-US
Figure 229: MU failed, 9-2 system
Table 55: Blocked protection functions if IEC/UCA 61850-9-2LE communication is interrupted
and functions are connected to specific MUs
Function description IEC 61850 identification Function description
Accidental energizing AEGPVOC
protection for
synchronous generator
Broken conductor BRCPTOC
check
Capacitor bank CBPGAPC
protection
Pole discordance CCPDSC
protection
Breaker failure CCRBRF
protection
Breaker failure CCSRBRF
protection, single
phase version
Current circuit CCSSPVC
supervison
Compensated over- COUVGAPC
and undervoltage
protection
General currrent and CVGAPC
voltage protection
Current reversal and ECRWPSCH
weakend infeed logic
for residual
overcurrent protection
Four step residual EF4PTOC
overcurrent protection
Instantaneous residual EFPIOC
overcurrent protection
Table continues on next page
Direct transfer trip (DTT)
Not OK
Not OK
IEC13000300-2-en.vsd
Two step overvoltage
protection
Four step single phase
overcurrent protection
Radial feeder
protection
Instantaneous phase
overcurrent protection
PoleSlip/Out-of-step
protection
Restricted earth fault
protection, low
impedance
Two step residual
overvoltage protection
Rate-of-change
frequency protection
Overfrequency
protection
Underfrequency
protection
Sudden change in
current variation
Sensitive Directional
residual over current
and power protetcion
1MRK 511 401-UEN A
remote
IED
MU
IEC 61850 identification
OV2PTOV
PH4SPTOC
PAPGAPC
PHPIOC
PSPPPAM
REFPDIF
ROV2PTOV
SAPFRC
SAPTOF
SAPTUF
SCCVPTOC
SDEPSDE
Bay control REC670 2.2 IEC
Application manual