ABB Emax E6 - 8.4.8. Protection Releases

L6555
Emax
26/74
Doc. no.
Model
Apparatus
Scale
Page No
1SDH000460R0002
6.1) Check the blowout magnets distances (distance A fi g 45).
Fig. 45
Circuit Breaker
6.2) close the circuit-breaker and check the gap A
- If the gap A is not correct, contact ABB Sace (*)
- If the gap A is correct, open the circuit breaker and refi t the arc chambers.
(*) Subject to the customer’s approval, ABB can replace “A” type parts.
8.4.8. Protection releases
- Supply the protection release with a PR030/B battery unit.
- Check operation of the protection release: release test with “Trip Test” (PR121, PR122, PR123) and “Autotest” (PR122, PR123).
- Use release PR122 or PR123 to check for the absence of alarms on the display and via front LEDs.
- Use release PR121to check that there are no alarm signals via front LEDs.
- Check correct wiring of the cables to the modules of the release and to the release (if applicable).
- On PR122 and PR123 check the percentage of wear to the contacts of the switch.
- At the end, remove the battery unit PR030/B from the relay.
Consult this manual for details about release PR121.
Consult manual 1SDH000460R0011 for details about releases PR122-PR123.
8.4.9. Test with SD Testbus2 (optional)
- Connect unit BT030 or BT030-USB to the relay to be tested.
- Run the programme SD.TestBus2 on a PC with a Bluetooth or USB connection, depending on the version of BT030 used.
- Once the relays and the PC have been connected, check that there are no alarm signals from the relay. If there are alarm signals,
consult the paragraphs ‘Error Messages’ and/or ‘Troubleshooting’ in this manual
- In normal operating conditions, the trip test and the autotest can be run (depending on the type of relay),
- For future checks, we advise inserting the current date in the User Data and/or Tag Name area.
- Remove the BT030 or BT030-USB from the relay.
Consult this manual for details about release PR121.
Consult manual 1SDH000460R0102 for details about releases PR122-PR123.