Auditing - ABB RELION REG670 Commissioning Manual

Section 6
Calibrating injection based sensitive rotor earth fault protection
Previously it was verified that the function measures correctly by applying known faults
and observing the graph during monitoring. Besides measuring the fault size a trip
indication is required when a large fault is measured to prevent that a damage to the
generator occurs. To allow the specific function to issue a trip indication, it must first be
enabled:
9.1.
9.2. Choose Yes in the pop-up message.
9.3. By default the trip level is set to 1kΩ. In other words, if the fault resistance is lower,
10. Verify the measurements by applying various faults.
Trip indication shall be visible in the ICT toolbar.
11. Verify that TRIP and ALARM signals are connected to tripping/alarming/signaling/
communication in accordance with the scheme design.
6.7

Auditing

During installations, calibrations and commissions the ICT generates reports for each of the
steps and collects them under the Auditing tab. See the procedures below on how to view and
delete reports as well as generate logs from reports.
1. To view the reports, go to the Auditing tab.
GUID-8348F60B-9BF5-4018-9740-0FA3371B0F9F V1 EN-US
Figure 16: Auditing tab
2. Open and view each report.
3. View reports in one of the following ways:
60
Select the Enable Function Tripping button in the ICT toolbar.
ICT now writes this to IED.
then the function issue trips.
It is very important that the Function Tripping is Enabled under the following
situations:
• After completion of the calibration step
• Before leaving the ICT Tool
1MRK 502 067-UEN B
GUID-70137BAD-6BD5-4835-964E-B6ADAE522A15 v1
IEC11000049-1-en.vsd
Commissioning manual