ABB RET670 Applications Manual page 828

Section 4
Station communication
822
Function description IEC 61850 identification
Current reversal and ECRWPSCH
weakend infeed logic
for residual overcurrent
protection
Four step residual EF4PTOC
overcurrent protection
Instantaneous residual EFPIOC
overcurrent protection
Phase selection, FDPSPDIS
quadrilateral
characteristic with fixed
angle
Faulty phase FMPSPDIS
identification with load
enchroachment
Phase selection, FRPSPDIS
quadrilateral
characteristic with
settable angle
Directional Overpower GOPPDOP
protection
Directional Underpower GUPPDUP
protection
1Ph High impedance HZPDIF
differential protection
Line differential L3CPDIF
protection, 3 CT sets,
23 line ends
Line differential L6CPDIF
protection, 6 CT sets,
35 line ends
Low active power and LAPPGAPC
power factor protection
Negative sequence LCNSPTOC
overcurrent protection
Negative sequence LCNSPTOV
overvoltage protection
Three phase overcurrent LCP3PTOC
Three phase LCP3PTUC
undercurrent
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Function description IEC 61850 identification
Fuse failure supervision SDDRFUF
Sensitive Directional SDEPSDE
residual over current
and power protetcion
Synchrocheck, SESRSYN
energizing check, and
synchronizing
Stub protection STBPTOC
Additional security logic STSGGIO
for differential protection
Transformer differential T2WPDIF
protection, two winding
Transformer differential T3WPDIF
protection, three winding
Automatic voltage TR1ATCC
control for tapchanger,
single control
Automatic voltage TR8ATCC
control for tapchanger,
parallel control
Thermal overload TRPTTR
protection, two time
constants
Two step undervoltage UV2PTUV
protection
Voltage differential VDCPTOV
protection
Current reversal and ZC1WPSCH
weak-end infeed logic
for phase segregated
communication
Local acceleration logic ZCLCPLAL
Current reversal and ZCRWPSCH
weak-end infeed logic
for distance protection
Automatic switch onto ZCVPSOF
fault logic, voltage and
current based
1MRK504116-UUS C
Application manual