IEEE30节点运行总是报错，哪里需要改各位大神？

Llinzi

警告: A propagation speed of 483775 km/s has been found for mode 2; Propagation speeds must be < 300000 km/s! [75 similar]
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Matching "From" for "Goto" 'IEEE30/B1-2/Iabc' not found [211 similar]
Component:Simulink | Category:Blockwarning
/ j% t# P! o: h( Y) }3 k+ xOutput port 5 of 'IEEE30/Power Plant  #4/Turbine & Regulators M2/Bus Selector' is not connected. [3 similar]
3 O1 i) m) P. V) a- eComponent:Simulink | Category:Blockwarning
! w' R6 S+ S: }The block diagram 'IEEE30' uses bus signals or has signals/parameters that are associated with bus objects. However, the 'Mux blocks used to create bus signals' diagnostic is not configured to 'error'.
  Suggested Actions
Run the 'Check Bus Usage' check in Upgrade Advisor and follow the recommendations
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Llinzi

主要是什么问题呢？