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  1. Smile Doubt about example in ETAP

    Hello everyone ! i'm new in this forum and i would like to share some doubts that i have when i trying to use etap; actually i'm starting with the shortcircuit's etap module, and i'm using the William Stevenson's book about power systems, so in theory (book's example) i have a simple circuit; the generator and motor have the same values --> xd'':20%, 30000 kVA, 13,2 kV, are interconnect through impedance line Z = 0,1j. When i'm solving the problem i have that shortcircuit on bus it's 8,3333 (1/0,12) but when i'm making the analyse on etap the result it's about 10,1kA, i dont know if i'm making something wrong but i noticing that the motor it's not contributing with the falilure current in the MAX failure (3 phases and 1/2 cycle). i really appreciate if someone can help me. Thanks!


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  3. Re: Doubt about example in ETAP

    [link Point to another website Only the registered members can access]

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    these are the images about the etap configuration

    My threads; marconikov1 :


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  5. #3
    In short, there is wrong in your example. Double check, plus check the SC options. I have already done this using another example in other books, the etap's result will only vary less.

    Example: is kw the same as kva?..


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  6. Re: Doubt about example in ETAP

    Hello thanks for answering ! i alredy check it, and i figure out what's wrong; when i run the SC's etap there is a option to change the "fault type" in the display option button, by default etap configuration it's L-G fault type... so i change it to 3-Phase. Now the result it's according when i solve it, 10930 A, using 13,2 kV and 30 MVA as base values--> Ibase = 1312,159 A,
    Ipu = 8,329 pu

    [link Point to another website Only the registered members can access]

    My threads; marconikov1 :


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