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15.1.3.3
Permissive underreaching scheme
M13869-25 v4
Set
Operation
=
On
Set
SchemeType
=
Permissive UR
Set
tCoord
= 0 ms
Set
tSendMin
= 0.1 s
Set
Unblock
=
Off
Set
tSecurity
= 0.035 s
15.1.3.4
Permissive overreaching scheme
M13869-34 v4
Set
Operation
=
On
Set
Scheme type
=
Permissive OR
Set
tCoord
= 0 ms
Set
tSendMin
= 0.1 s (0 s in parallel line applications)
Set
Unblock
=
Off
Set
tSecurity
= 0.035 s
15.1.3.5
Unblocking scheme
M13869-43 v4
Set
Unblock
=
Restart
(Loss of guard signal will give both trip and alarm
Choose
NoRestart if only trip is required)
Set
tSecurity
= 0.035 s
15.1.3.6
Intertrip scheme
M13869-62 v4
Set
Operation
=
On
Set
SchemeType
=
Intertrip
Set
tCoord
50 ms (10 ms + maximal transmission time)
Set
tSendMin
= 0.1 s (0 s in parallel line applications)
Set
Unblock
=
Off
Set
tSecurity
= 0.015 s
15.2
Phase segregated scheme communication logic for
distance protection ZC1PPSCH
SEMOD141690-1 v2
15.2.1
Identification
SEMOD141699-2 v2
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Phase segregated Scheme
communication logic for distance
protection
ZC1PPSCH
-
85
1MRK 505 343-UEN B
Section 15
Scheme communication
605
Application manual
Summary of Contents for Relion 670 series
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