Sep 30, 2015 #1 M3du Electrical Joined Sep 30, 2015 Messages 3 Location SA How to prevent the Operation of the ATS in case VT fuses blown?? Is there any way to avoid this sys interruption rather than the supervision relay of the VT?
How to prevent the Operation of the ATS in case VT fuses blown?? Is there any way to avoid this sys interruption rather than the supervision relay of the VT?
Sep 30, 2015 #2 davidbeach Electrical Joined Mar 13, 2003 Messages 9,550 Location US Also look at a separate voltage downstream of the ATS and require that it also be out before transferring. Upvote 0 Downvote
Also look at a separate voltage downstream of the ATS and require that it also be out before transferring.
Oct 1, 2015 Thread starter #3 M3du Electrical Joined Sep 30, 2015 Messages 3 Location SA Could you elaborate more thanx Upvote 0 Downvote
Oct 5, 2015 #4 burntcoil Electrical Joined Sep 28, 2011 Messages 75 Location SA If you have line and bus VTs, you can know if your Line side is actually OFF or its blown fuse. Transfer scheme shall look at both Line and Bus voltages. Upvote 0 Downvote
If you have line and bus VTs, you can know if your Line side is actually OFF or its blown fuse. Transfer scheme shall look at both Line and Bus voltages.