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发表于 2010-3-19 23:48:03
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回复 1# yongzhe578 8 A8 Z' `/ b" Q$ v0 B. u4 Q
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9 A. |& [& [! g$ n "热稳极限" is a kind of conductor property. You should be able to find it from conductor manuals. Try to not exceeding a conductor's "热稳极限" by running a normal power flow analysis and any other contingency analysis. In simple, don't burn your conductor.
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( O5 T7 K" h7 Y8 f"静稳极限" could be calculated by ignoring any dynamic models like exiter, governor, stabilizer, etc. Typically this value could be calculated without doing a real time simulation and then it could be provided by an on-line analysis software. t2 ^, O$ k& i+ x4 K- J" P
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"动稳极限", similar to "静稳极限", with control devices like exciter modeled. Both "静稳极限" and "动稳极限" apply to small disturbance. & H$ q/ c6 w) k y! j! w9 u
7 P+ @ n# g8 S; v' B"暂稳极限" is used to make sure the system will come back to previous stable state or changed stable state after a big disturbance like a fault, generator disconnection, reclosing. It needs a real time simulation and it is not possible for an on-line analysis software to provide such analysis currently. 8 `' [7 Y0 o) Y' u/ H
5 n- x" l8 D$ u8 _' OMost popular stability analysis software should be able to provide these analysis for you. For theoretical understanding, I would recommend you to read page 133 of professor Ni-Yi-Xin's book "Dynamic Power System Theory and Analysis" which could be found here:
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"倪以信-动态电力系统的理论和分析.高清晰PDF"
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