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发表于 2013-2-24 23:43:40
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Name : LINEZT_3 - Distributed parameters (Clarke) 3 phase. Transposed; J9 r. }9 u2 t5 d! i$ Q
Card : BRANCH6 Z# s$ [7 p% c4 s
Data: Values are entered in the two independent modes of the system, here called + and 0.
# q8 p7 e/ a# Y# k) n& q. F R/l= Resistance pr. length in [Ohm/m]
6 x4 x# A6 {& g6 `( V The lossless part can be described in three ways, V0 V& @. k, H
0. Inductance L' in [mH/m] if Xopt=0 or in [ohm/m] if Xopt=power frequency
7 l( K; t- j* V" O Capacitance C' in [uF/m] if Copt=0 or in [uMho/m] if Copt=power frequency
- e, E7 Z. [) F: \9 s" T 1. Modal surge impedance in [ohms]; Z=sqrt(L'/C')- w: P" O; D( s2 ?8 a( w( W
Modal propagation velocity in [m/s]; v=1/sqrt(L'*C')7 Z3 d% a& B' ~9 q9 g( R* h% l
2. Modal surge impedance in [ohms]
# o. g$ D; l; |! r7 N9 j* j- q Modal propagation time in ; T=sqrt(L'*C')*length
: A/ G5 O0 J! P* ?" f! B Xopt. and Copt. are set in menu: ATP|Settings/Simulation.
0 y+ r: y' d( l+ E+ u The user can choose conductance modeling G=0 (the usual case) and G=R*C/L (distortionless). C: Y, n8 _( n/ s/ e+ Y- r
length= length of line in [m]
( T/ Z( i+ q2 ^" Q: I0 n7 _8 GNode : IN1= Start node. Letter 'A', 'B' or 'C'
, j1 A/ _' S6 f' q0 F is added to nodename for node 1, 2 and 3.
$ F/ [4 v5 p" C5 S6 c OUT1= End node. Letter 'A', 'B' or 'C'9 U! o/ b1 [7 m
is added to nodename for node 1, 2 and 3., y4 G* h" K, u+ c; }$ L6 ?" j, |
Only branch voltage output is reliable.' O; r. O4 }( e- g0 Y0 k. M
RuleBook: IV.D.1 |
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