Name
Values (Range)
Unit
Step
Default
Description
TraBOnInpCh
No Transf B
1
2
3
4
5
6
-
-
No Transf B
Power transformer B applied on input channel
X
RatVoltW1TraB
1.0 - 9999.9
kV
0.1
130.0
Transformer B rated voltage (kV) on winding
1 (HV winding)
RatVoltW2TraB
1.0 - 9999.9
kV
0.1
130.0
Transformer B rated voltage (kV) on winding
2 (LV winding)
ClockNumTransB
0 [0 deg]
1 [30 deg lag]
2 [60 deg lag]
3 [90 deg lag]
4 [120 deg lag]
5 [150 deg lag]
6 [180 deg lag]
7 [210 deg lag]
8 [240 deg lag]
9 [270 deg lag]
10 [300 deg lag]
11 [330 deg lag]
-
-
0 [0 deg]
Transf. B phase shift in multiples of 30 deg, 2
for 60 deg
ZerSeqPassTraB
No
Yes
-
-
No
Yes/No for capability of transf B to transform
zero seq curr
Table 82:
LDLPDIF (87L) Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Enabled
Disable/Enable Operation
testModeSet
Disabled
Enabled
-
-
Disabled
Test mode On/Off
ReleaseLocal
Block all
Release local
-
-
Block all
Release of local terminal for trip under test
mode
5.1.6
Technical data
Table 83:
L3CPDIF, L6CPDIF, LT3CPDIF, LT6CPDIF (87L, 87LT) technical data
Function
Range or value
Accuracy
Minimum operate current
(20-200)% of
IBase
± 1.0% of I
n
at I
£
I
n
± 1.0% of I at I >I
n
SlopeSection2
(10.0-50.0)%
-
SlopeSection3
(30.0-100.0)%
-
EndSection 1
(20–150)% of
IBase
-
Table continues on next page
Section 5
1MRK505222-UUS C
Differential protection
160
Technical reference manual
Summary of Contents for Relion 670 series
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