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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
, P: }7 v8 B, p5 ^8 x; [% |Card : BRANCH
) h% M) e9 w- s$ Q1 W- |Data: Values are entered in the two independent modes of the system, here called + and 0.6 g3 G0 g% M g, o
R/l= Resistance pr. length in [Ohm/m]
5 N* Y- F5 s0 B, _# z2 _2 l) \ The lossless part can be described in three ways# t. D0 P, C/ l! C) [
0. Inductance L' in [mH/m] if Xopt=0 or in [ohm/m] if Xopt=power frequency8 j* n) y! \. S' B
Capacitance C' in [uF/m] if Copt=0 or in [uMho/m] if Copt=power frequency' L8 Z, z2 d4 u, |$ X+ }# Z4 ?
1. Modal surge impedance in [ohms]; Z=sqrt(L'/C')
# i* l5 @0 @: E4 d6 Q9 h Modal propagation velocity in [m/s]; v=1/sqrt(L'*C')
: u' a2 ^; k1 c2 b* ~ 2. Modal surge impedance in [ohms]# q, [/ E: a8 n G; p( r
Modal propagation time in ; T=sqrt(L'*C')*length ( y4 C. F0 f8 k( w( N7 s9 g
Xopt. and Copt. are set in menu: ATP|Settings/Simulation.
/ v( \9 O5 C. R1 g5 Z( M4 l: m8 b9 R6 i The user can choose conductance modeling G=0 (the usual case) and G=R*C/L (distortionless)" w8 z6 q9 P8 C' y4 q
length= length of line in [m]
7 i1 t& h2 t& R" k0 V$ n1 INode : IN1= Start node. Letter 'A', 'B' or 'C'
% i4 h+ D: c+ {) q4 [ is added to nodename for node 1, 2 and 3.
0 j* l! I9 B1 C OUT1= End node. Letter 'A', 'B' or 'C'8 Y5 p) a1 \- U/ L; X: w: X! [
is added to nodename for node 1, 2 and 3.
" x9 e% `3 V2 M) q6 x- j ]; L% wOnly branch voltage output is reliable.7 t/ |) E' g1 v7 @6 e. S# X; L
RuleBook: IV.D.1 |
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