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发表于 2008-4-16 11:37:07
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回复 the is another problem
The story of transmission line is too long to tell here. It needs a graduate course around 30 hours.
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There are following types of line models from simple to sophisticate: a. t/ f0 o3 i7 U3 z
PI section (uncoupled and coupled),5 \3 c2 H6 t" k6 l
Begron Line* O9 h* P6 {* Z+ U( o# R9 C- S
Modal domain frequency dependent line (J. Marti Model)' S! x/ [: _0 C5 A) {+ B8 k/ N# S
Phase domain frequency dependent line
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5 a7 T) N6 _$ u6 RIf you really need to use those models, you can send inquire Manitoba HVDC Centre (who makes PSCAD).
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8 F a- Z* X4 y: T! ]If you need to understand the theory of those models, you can read EMTP theory book. It is a good start for beginner. The last model is not documented in EMTP theory book. You have to read the paper of Gustavson and Semlyem.* ^9 @4 e4 ^/ R N: D$ z& F3 Q
. [5 r3 @( T$ I2 ^1 ^% n! wHave fun. |
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