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 Topic Title: +ve sequence and zero sequence impedance of generator Topic Summary: Created On: 22 February 2010 02:56 AM Status: Read Only Linear : Threading : Single : Branch
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 22 February 2010 02:56 AM Blacksodium Posts: 3 Joined: 19 January 2010 can we find the positive sequence [X,R] and zero sequence impedance [X,R] from the data generator given ? :- X/R ratio = 10 MVA = 100 kV =132kV Fault level = 7200 i'm only get to find their generator sub-transient impedance Xd" by this formula :- generator fault level (MVA) = generator capacity (MVA) / generator subtransietn impedance (Xd") we can get their Xd" = 1.39%... after that i dont know how to continue their calculation.. 19 April 2010 02:01 PM iqbalkhan Posts: 44 Joined: 26 January 2009 actually at the rated conditions the Xs =X1 that is synchronous impedance is positive sequence impedance which is actually reactance
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