11.6.4.2 Completing the test
M6583-85 v4
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.
11.6.5 Voltage differential protection VDCPTOV (60)
SEMOD175258-3 v2
Prepare the IED for verification of settings as outlined in section
"Requirements" and section "Preparing
for test" in this chapter.
11.6.5.1 Function revision history
GUID-04679E4E-E0D2-4BA6-A002-4020E52DB973 v1
Document
revision
Product
revision
History
A 2.2.1 -
B 2.2.1 -
C 2.2.2 -
D 2.2.3 -
E 2.2.3 -
F 2.2.4 -
H 2.2.4 -
J 2.2.5 -
11.6.5.2 Check of undervoltage levels
SEMOD175258-71 v2
This test is relevant if the setting BlkDiffAtVLow = Yes.
Check of V1Low
SEMOD175258-75 v3
Procedure
1. Connect voltages to the IED according to valid connection diagram and figure
51.
2. Apply voltage higher than the highest set value of VDTrip, V1Low and V2Low to the V1 three-phase
inputs and to one phase of the V2 inputs according to figure
51.
The voltage differential PICKUP signal is set.
1MRK 504 165-UUS Rev. J Section 11
Testing functionality by secondary injection
Transformer protection RET670 209
Commissioning manual
© 2017 - 2021 Hitachi Power Grids. All rights reserved