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Question related to Slack bus ( help please )

  1. Mar 7, 2013 #1
    Question related to Slack bus ( help please ) !!

    Can we set the MVAR limits of a Slack bus as Zero ( for both MAx. and Min. limits ) during operating load flow program !?

    and what does the minus sign exactly mean when it's written in the limit , such this one :
    Qmin. (MVAR) = -42.7
    Qmax. (MVAR ) = 97

    if the slack generates -373....did the limit is already exceeded !?
    PS : excitation is 105%

    thanks for your attention.
     
  2. jcsd
  3. Mar 9, 2013 #2
    Which program are you using? Can you post your power flow diagram?
    (Is this homework?)
     
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