3BHS212794 E01 REV M ACS6000 USER MANUAL 197/278
08 OPERATION
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 231.
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
(1) Arc Guard HMI panel
(2) Arc monitor device
(3) Reeling device for optical fiber
detector cables
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