Hitachi Relion 670 Series Product Manual page 14

Line differential protection
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Line differential protection RED670
Version 2.2
IEC 61850 or
ANSI
function name
Differential protection
HZPDIF
87
REFPDIF
87N
L3CPDIF
87L
L6CPDIF
87L
LT3CPDIF
87LT
LT6CPDIF
87LT
L4CPDIF
87L
LDLPSCH
87L
LDRGFC
11REL
Impedance protection
ZMQPDIS,
21
ZMQAPDIS
ZDRDIR
21D
ZMCPDIS,
21
ZMCAPDIS
ZDSRDIR
21D
FDPSPDIS
21
ZMHPDIS
21
ZMMPDIS,
21
ZMMAPDIS
ZDMRDIR
21D
ZDARDIR
14
Function description
High impedance differential
protection, single phase
Restricted earth fault protection,
low impedance
Line differential protection for 3
CT sets, 2-3 line ends
Line differential protection for 6
CT sets, 3-5 line ends
Line differential protection for 3
CT sets, 2-3 line ends, in-zone
transformer
Line differential protection for 6
CT sets, 3-5 line ends, in-zone
transformer
High speed line differential
protection for 4 CT sets, 2-3 line
ends
Line differential protection logic
Additional security logic for
differential protection
Distance protection zone,
quadrilateral characteristic
Directional impedance
quadrilateral
Distance measuring zone,
quadrilateral characteristic for
series compensated lines
Directional impedance
quadrilateral, including series
compensation
Phase selection, quadrilateral
characteristic with fixed angle
Full-scheme distance protection,
mho characteristic
Full-scheme distance protection,
quadrilateral for earth faults
Directional impedance element
for mho characteristic
Additional distance protection
directional function for earth
faults
© 2017 - 2022 Hitachi Energy. All rights reserved
Line Differential
RED670
(Customized)
0-3
3-A02
0-2
0-1
1-A34
0-1
1-A04
0-1
1
0-1
1-A06
0-1
0-1
1
1
1
0-7
0-2
0-5
0-2
0-2
0-5
0-5
0-2
0-2
1MRK 505 379-BEN R
3-A02
3-A02
3-A02
1
1
1
1
Hitachi Energy
1
1

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