Completing The Test; Sensitive Directional Residual Overcurrent And Power Protection Sdepsde; Measuring The Operate And Time Limit For Set Values - ABB Relion 670 Series REL670 Commissioning Manual

Section 10
Testing functionality by secondary injection
10.5.5.1
10.5.6
10.5.6.1
150
11. Check that the protection does not operate when the polarizing voltage is zero.
12. Repeat the above-described tests for the higher set steps.
13. Finally, check that start and trip information is stored in the event menu.

Completing the test

Continue to test another function or end the test by changing the TestMode setting to
Off. Restore connections and settings to their original values, if they were changed for
testing purposes.
Sensitive directional residual overcurrent and power
protection SDEPSDE
Prepare the IED for verification of settings outlined in section
verify settings".
IED test set
NI
L1U
L2U
L3U
NU
IEC09000021 V2 EN
Figure 33: Principle connection of the test set
Values of the logical signals belonging to the sensitive directional residual
overcurrent and power protection are available on the local HMI under Main menu/
Test/Function status/Current protection/SensDirResOvCurr(67N,IN>)/
SDEPSDE(67N,IN>):x

Measuring the operate and time limit for set values

1MRK 506 355-UEN A
"Preparing the IED to
IED
NI
U1
U2
U3
NU
TRIP
IEC09000021-2-en.vsd
Line distance protection REL670 2.1 IEC
Commissioning manual