Function description
IEC 61850 identification
Function description
IEC 61850 identification
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
Phase selection,
quadrilateral
characteristic with fixed
angle
FDPSPDIS
Synchrocheck, energizing
check, and synchronizing
SESRSYN
Faulty phase
identification with load
enchroachment
FMPSPDIS
Circuit breaker condition
monitoring
SSCBR
Phase selection,
quadrilateral
characteristic with
settable angle
FRPSPDIS
Insulation gas
monitoring
SSIMG
Frequency time
accumulation protection
FTAQFVR
Insulation liquid
monitoring
SSIML
Fuse failure supervision
FUFSPVC
Stub protection
STBPTOC
Generator differential
protection
GENPDIF
Transformer differential
protection, two winding
T2WPDIF
Directional Overpower
protection
GOPPDOP
Transformer differential
protection, three
winding
T3WPDIF
Generator rotor overload
protection
GRPTTR
Automatic voltage
control for tapchanger,
single control
TR1ATCC
Generator stator
overload protection
GSPTTR
Automatic voltage
control for tapchanger,
parallel control
TR8ATCC
Directional Underpower
protection
GUPPDUP
Thermal overload
protection, two time
constants
TRPTTR
1Ph High impedance
differential protection
HZPDIF
Two step undervoltage
protection
UV2PTUV
Line differential
protection, 3 CT sets, 2-3
line ends
L3CPDIF
Voltage differential
protection
VDCPTOV
Line differential
protection, 6 CT sets, 3-5
line ends
L6CPDIF
Fuse failure supervision
VDRFUF
Low active power and
power factor protection
LAPPGAPC
Voltage-restrained time
overcurrent protection
VRPVOC
Table continues on next page
1MRK 505 343-UEN B
Section 19
Station communication
691
Application manual
Содержание Relion 670 series
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