1MRK 505 395-UEN Rev. G
Section 3
3.1
Main protection functions
Table 2:
2
0-3
3-A03
C30
IEC 61850 or
ANSI
function name
Differential protection
LT3CPDIF
87LT
LDLPSCH
87L
LDRGFC
11REL
Impedance protection
ZMFPDIS
21
ZMRPSB
68
PSLPSCH
OOSPPAM
78
ZCVPSOF
3.2
Back-up protection functions
IEC 61850 or
ANSI
function name
Current protection
PHPIOC
50
OC4PTOC
1)
51_67
EFPIOC
50N
EF4PTOC
51N_67N
LCPTTR
26
LFPTTR
26
CCRBRF
50BF
STBPTOC
50STB
CCPDSC
52PD
Table continues on next page
Line differential protection RED650
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
Line differential protection for 3 CT sets, 2-3 line ends, in-zone transformer
Line differential protection logic
Additional security logic for differential protection
Distance protection, quad and mho characteristic
Power swing detection
Power swing logic
Out-of-step protection
Automatic switch onto fault logic, voltage and current based
Function description
Instantaneous phase overcurrent protection
Directional phase overcurrent protection, four steps
Instantaneous residual overcurrent protection
Directional residual overcurrent protection, four steps
2)
Thermal overload protection, one time constant, Celsius
Thermal overload protection, one time constant, Fahrenheit
Breaker failure protection
Stub protection
Pole discordance protection
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Section 3
Available functions
GUID-F5776DD1-BD04-4872-BB89-A0412B4B5CC3 v1
GUID-F871E970-5508-43FE-A2A8-68A4679BE52B v1
Line
Differential
RED650 (A11)
1
1
1
1
1
1
1
1
GUID-06D023C0-3F72-4D89-A0A5-F4B452234B7B v1
Line Differential
RED650 (A11)
1
1
1
1
1
1
1
1
1
21