I was curious between the relationship between one line symbols and all others (in particular the related three line symbol and schematic symbol).
We have a MV circuit breaker with bushing CTs installed, one per phase, 3 total. When creating a single line diagram is there a way to differentiate a group of cables which may landed on different CTs which are combined into the SLD symbol?
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Solved by Icemanau. Go to Solution.
SLD symbols link back to the parent symbol of the device they represent.
With CT's, In the schematic, I usually have the L1 phase CT as the parent while L2 & L3 phase CT's are children.
I don't use cables to link from the CT's to the measuring/protection devices as everything in our panels just uses normal wires.
You should be able to use a cable in the SLD and also show it in the schematic, but be aware that it more than likely will throw up an number duplication alert. Breaking the wires out from the cable is done using the Fan In/Out tool which joins individual wires into a cable.
Those wires can have separate numbers which will transfer through the cable.
Regards Brad
Brad Coleman, Electrical Draftsman
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