IEC13000300-2-en.vsd
Direct transfer trip (DTT)
local
remote
IED
IED
MU
Not OK
N
ot OK
MU
IEC13000300 V2 EN-US
Figure 105:
MU failed, 9-2 system
Table 30:
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
IEC 61850 identification
Accidental energizing
protection for
synchronous generator
AEGPVOC
Two step overvoltage
protection
OV2PTOV
Broken conductor
check
BRCPTOC
Four step single phase
overcurrent protection
PH4SPTOC
Capacitor bank
protection
CBPGAPC
Radial feeder
protection
PAPGAPC
Pole discordance
protection
CCPDSC
Instantaneous phase
overcurrent protection
PHPIOC
Breaker failure
protection
CCRBRF
PoleSlip/Out-of-step
protection
PSPPPAM
Breaker failure
protection, single
phase version
CCSRBRF
Restricted earth fault
protection, low
impedance
REFPDIF
Current circuit
supervison
CCSSPVC
Two step residual
overvoltage protection
ROV2PTOV
Compensated over-
and undervoltage
protection
COUVGAPC
Rate-of-change
frequency protection
SAPFRC
General currrent and
voltage protection
CVGAPC
Overfrequency
protection
SAPTOF
Current reversal and
weakend infeed logic
for residual
overcurrent protection
ECRWPSCH
Underfrequency
protection
SAPTUF
Four step residual
overcurrent protection
EF4PTOC
Sudden change in
current variation
SCCVPTOC
Instantaneous residual
overcurrent protection
EFPIOC
Sensitive Directional
residual over current
and power protetcion
SDEPSDE
Table continues on next page
Section 19
1MRK 511 407-UEN C
Station communication
300
Phasor measurement unit RES670 2.2 IEC
Application manual
Summary of Contents for Relion RES670
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