Acquiring References - ABB REG670 Commissioning Manual

1MRK 502 073-UUS A
7.5
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Commissioning manual
Calibrating injection based 100% stator earth fault protection
changes may be related to a grounded system at the beginning of the calibration)
and that no problem affected the installation and calibration procedure.
Check feedbacks in the Calibration result field to make sure that all tests have
been passed.
12.1. If a failure is indicated during one or more check(s), follow the instructions/
tips provided by the ICT in the Calibration result field.
12.2. If these tips do not solve the issue, then contact ABB Support.
GUID-D024D8B7-45F3-42D1-AAA3-488A2996267B V1 EN-US
Figure 22: ICT calibration tab 4
13. Before proceeding any further make sure that you have removed the short-circuit
that was applied during calibration step 3.
14. To finish the calibration process, select the Submit to Parameter setting button.
15. In Parameter setting, write the newly acquired parameters to IED.

Acquiring references

To detect different operation conditions of the generator and select proper impedance
reference requires logic outside the injection function. Therefore changing/switching
Section 7
IEC11000048-2-en.vsd
GUID-AC1645F9-9B48-4F6A-9D81-BDCB7382533E v2
87