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发表于 2013-2-24 23:43:40
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# x: t; v* m+ Z; z) d( N! |Name : LINEZT_3 - Distributed parameters (Clarke) 3 phase. Transposed+ f6 s' r0 @- q! S$ i9 z) N+ B
Card : BRANCH& ^! g( y3 K5 O4 [6 _" _1 I' B+ t
Data: Values are entered in the two independent modes of the system, here called + and 0.4 ?- q! P3 I) l6 v+ g+ z9 m) w
R/l= Resistance pr. length in [Ohm/m]
3 z$ x4 u4 Z; A! e; Y( _8 g The lossless part can be described in three ways
% ~4 [$ V% u$ U/ G6 V 0. Inductance L' in [mH/m] if Xopt=0 or in [ohm/m] if Xopt=power frequency' s- p+ g1 z; h* g# ~
Capacitance C' in [uF/m] if Copt=0 or in [uMho/m] if Copt=power frequency
$ U2 L$ v" ]5 _) h 1. Modal surge impedance in [ohms]; Z=sqrt(L'/C')
8 J! P @1 r, f% K' A4 d. H Modal propagation velocity in [m/s]; v=1/sqrt(L'*C')
! z9 s9 C3 h& x0 ~8 v2 T# k7 U 2. Modal surge impedance in [ohms]
3 e. K. W; p9 D4 u1 Y2 Q1 g Modal propagation time in ; T=sqrt(L'*C')*length 2 l" b" ?3 U9 t
Xopt. and Copt. are set in menu: ATP|Settings/Simulation.
, R6 o4 l- o" v1 I! Q The user can choose conductance modeling G=0 (the usual case) and G=R*C/L (distortionless)
5 C$ V; I* b% Y3 J. w1 t( j; r length= length of line in [m]
1 U( v; S$ A4 `- _; jNode : IN1= Start node. Letter 'A', 'B' or 'C'
+ q' p; L5 T5 w5 _6 o/ Z8 X7 S1 N is added to nodename for node 1, 2 and 3.
: O+ h' Y( S3 R5 M) T4 f" U OUT1= End node. Letter 'A', 'B' or 'C'! Q( ^; J; |& D: w5 ~
is added to nodename for node 1, 2 and 3.) ^& k o+ ?2 l/ n
Only branch voltage output is reliable.- m i5 F k f1 G# v$ M
RuleBook: IV.D.1 |
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