Hitachi Relion 670 Series Commissioning Manual page 153

Line distance protection
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1MRK506371-UUS Rev. M
Table 37:
OperMode
No Filter
No Pref
1231c
1321c
123a
132a
213a
231a
312a
321a
11.4.14.3
Completing the test
Continue to test another function or end the test by changing the TESTMODE setting to Disabled.
Restore connections and settings to the original values, if changed for testing purposes.
11.4.15
Phase preference logic PPL2PHIZ
Prepare the IED for verification of settings outlined in Section
11.4.15.1
Function revision history
Document
revision
A
B
C
D
E
F
G
H
M
N
11.4.15.2
Verifying the signals and settings
The Phase preference logic function PPL2PHIZ is tested with a three-phase testing equipment for
distance protections. PPL2PHIZ is tested in co-operation with the High speed distance protection
Line distance protection REL670
Commissioning manual
Operation at different combinations of faults and operation mode
Fault type/Faulted phase current to the IED
A_BG/IA
A_BG/IB
Trip
Trip
Trip
Trip
Trip
No Trip
No Trip
Trip
Trip
No Trip
Trip
No Trip
No Trip
Trip
No Trip
Trip
Trip
No Trip
No Trip
Trip
Product
History
revision
2.2.1
-
2.2.1
-
2.2.2
-
2.2.3
-
2.2.3
-
2.2.4
-
2.2.4
Setting ranges and setting descriptions have been updated in order to make the function
more user friendly. The added logic takes over if the relay detects the two faulty phases within
20 ms and allows a larger margin of undervoltage to detect the faulty phases.
2.2.5
-
2.2.6
-
2.2.6
A feature has been added which can enable opening of a preferred phase-to-ground loop for
cross-country faults having very low residual current at IED location (for example, when both
faults are in front of the IED).
© 2017 - 2023 Hitachi Energy. All rights reserved
B_CG/IB
B_CG/IC
C_CG/IA
Trip
Trip
Trip
Trip
Trip
Trip
Trip
No Trip
No Trip
No Trip
Trip
Trip
Trip
No Trip
Trip
No Trip
Trip
Trip
Trip
No Trip
Trip
Trip
No Trip
No Trip
No Trip
Trip
No Trip
No Trip
Trip
No Trip
"Preparing the IED to verify
Section 11
Testing functionality by secondary injection
C_AG/IC
Trip
Trip
Trip
No Trip
No Trip
No Trip
No Trip
Trip
Trip
Trip
GUID-8BD66BC8-AAC3-41C4-B819-B159361688D2 v5
GUID-E1547542-1407-4488-AD99-2A7D063885A4 v2
settings".
GUID-F8B83D26-CCDC-4E1C-940A-F3B47A5AB4B0 v3
GUID-89399120-E87F-4380-8955-37BF1BAB34AF v1
147

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