
PID-3581-OUTPUTSIGNALS v6
Table 240:
ECPSCH Output signals
Name
Type
Description
TRIP
BOOLEAN
Trip signal by communication scheme logic
CS
BOOLEAN
Carrier Send by Communication Scheme Logic
CRL
BOOLEAN
Carrier Receive from Communication Scheme
Logic
LCG
BOOLEAN
loss of carrier guard signal
13.4.5
Settings
PID-3581-SETTINGS v6
Table 241:
ECPSCH Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation Off / On
SchemeType
Off
Intertrip
Permissive UR
Permissive OR
Blocking
-
-
Permissive UR
Scheme type, Mode of Operation
tCoord
0.000 - 60.000
s
0.001
0.035
Communication scheme coordination
time
tSendMin
0.000 - 60.000
s
0.001
0.100
Minimum duration of a carrier send
signal
Table 242:
ECPSCH Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
Unblock
Off
NoRestart
Restart
-
-
Off
Operation mode of unblocking logic
tSecurity
0.000 - 60.000
s
0.001
0.035
Security timer for loss of carrier guard
detection
13.4.6
Operation principle
M13922-4 v5
The four step directional residual overcurrent protection EF4PTOC is configured to
give input information, that is directional fault detection signals, to the ECPSCH
logic:
1MRK 505 394-UEN A
Section 13
Scheme communication
Line differential protection RED650 2.2 IEC
419
Technical manual
Содержание RED650
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