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  1. countingcrow

    HV bus coupler

    Thanks Gents, We do have solkor protection on the incomers, but the RMUs are just the basic ones you describe. I think the incomer protection was changed relatively recently so i'll try and dig out data about why they were changed. Much thanks!
  2. countingcrow

    HV bus coupler

    Hi, We have an 11kV Ring Mains system taken from 2 incomers from the grid. The ring feeds some 12 transformers (which then transform down to LV for the production buildings). Located on the ring is a generator site currently delivering around 95% of site requirements. The 2 incomers are coupled...
  3. countingcrow

    Arc Flash Motor Contribution

    Hi, We have a similar study going on to WDeanN with the difference that we have alot of smaller Induction machines grouped onto a few busses. Can i assume from JensenDrive's post ("The 5 cycles seems a tad fast, ... That is the decay time I would expect out of an induction machine") that the...
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