OPERATION
PRODUCT
ACS6000
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS212794 E01
REV.
N
LANG.
en
PAGE
183/266
8.11. Arc detection with the Arc Guard System™ (optional)
The optional Arc Guard System™ detects fast arc faults in the terminal sections of
an ACS6000 drive. When the Arc Guard System detects an arc fault the drive
performs protection firing and immediately opens the main circuit breaker.
Figure 8-9 Arc Guard System™ in a WCU REB
8.11.1. Action after the Arc Guard System™ has been triggered
1. De-energize and ground the drive according to “10.4.2 De-energizing and
grounding the drive” on page 217.
2. Search for the location where the arc has been detected.
3. Check the Arc Guard HMI panel messages and use the circuit diagrams.
Figure 8-10 HMI panel
4. Open the power units and localize the defect.
5. Repair the defect or contact support line if needed.
6. Reset the fault on Arc Guard HMI panel.
7. Acknowledge the firing through with parameter 16.26 on the control panel
(only when fault was understood and corrected).
8. Restart the drive.
1) Arc Guard HMI panel
2) Arc monitor device
3) Reeling device for optical fiber detector
cables
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