Hitachi Relion 670 Series Product Manual page 29

Line differential protection RED670
Version 2.2
IEC 61850 or function
name
ZCPSCH
ZPCPSCH
ZCRWPSCH
ZPCWPSCH
ZCLCPSCH
ECPSCH
ECRWPSCH
DTT
Table 8. Direct transfer trip DTT
Function name
LAPPGAPC
COUVGAPC
SCCVPTOC
LCCRPTRC
LCNSPTOV
LCZSPTOV
LCNSPTOC
LCZSPTOC
LCP3PTOC
LCP3PTUC
Hitachi Energy
ANSI Function description
85 Scheme communication
logic for distance or
overcurrent protection
85 Phase segregated scheme
communication logic for
distance protection
85 Current reversal and weak-
end infeed logic for distance
protection
85 Current reversal and weak-
end infeed logic for phase
segregated communication
Local acceleration logic
85 Scheme communication
logic for residual overcurrent
protection
85 Current reversal and weak-
end infeed logic for residual
overcurrent protection
Direct transfer trip (see
8)
Function description
Low active power and power factor protection
Compensated over- and undervoltage protection
Sudden change in current variation
Carrier receive logic
Negative sequence overvoltage protection
Zero sequence overvoltage protection
Negative sequence overcurrent protection
Zero sequence overcurrent protection
Three phase overcurrent
Three phase undercurrent
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RED670
(Customized)
0-2
0-2
0-2
0-2
0-1
0-1
0-1
Table 0-1
1MRK 505 379-BEN R
Line Differential
1-B35 1-B35
1-B05 1-B05
1-B35 1-B35
1-B05 1-B05
1-B35 1-B35
1-C34 1-C34
1-C34 1-C34
1-B35 1
1-B05 1-B05
1-B35 1
1-B05 1-B05
1-B35 1
1-C34 1
1-C34 1
Total number of
instances
1
1
1
1
1
1
1
1
1
1
29