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1MRK 505 378-UEN Rev. K
Section 3
3.1
Main protection functions
Table 2:
2
0-3
3-A03
C30
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
Table continues on next page
Line differential protection RED670
Commissioning manual
Available functions
The following tables list all the functions available in the IED. Those functions that
are not exposed to the user or do not need to be configured are not described in this
manual.
Example of quantities
= number of basic instances
= option quantities
= optional function included in packages A03 (refer to ordering details)
=1/2 CB application. For the pre-configured variants
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
© 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
Available functions
GUID-F5776DD1-BD04-4872-BB89-A0412B4B5CC3 v1
GUID-F871E970-5508-43FE-A2A8-68A4679BE52B v1
3-A02
3-A02
3-A02
1
1
1
1
Section 3
1
1
27
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