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  • Users: rashy70
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  1. rashy70

    Arc flash study using ETAP

    I am trying to use ARC flash Analysis using ETAP 7.0 , but ETAP has limitation that the source Protective device shall be with in 20 bus from the faulted bus. Can we do the study if the Protective Device is away about 50 bus. Can we apply arc flash analysis for the distribution overhead lines ...
  2. rashy70

    working on CT secondery

    I am using 400/5 A outdoor type current transformer on 33 kV out door switch, I have to modify the wiring in secondary side of the CT which is connected to a relay . One terminal of the primary side of the CT is connected to Live conductor(33kV) , other terminal is connected to load . Since...
  3. rashy70

    60hz transformer on 50 hz

    We have one transformer 1000kVA,4.160kV/0.480kV,Delta/Star, 60Hz.If we coonect with 3.3 kV, 50 hz , will that work ? . I need to get 380 volts at secondary.
  4. rashy70

    PT protective fuse rating

    I have to connect outdoor type 600VA, 33kV/220v PT thru protective fuses at the primary to 33 kV (line to line) . The supplier has provided 24kV, Siba make outdoor type , e=442mm ,Ia= 40kA fuses, is it Suitable ?. Please guide me.

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