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发表于 2013-2-24 23:43:40
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2 i$ h# n+ v3 ]) HName : LINEZT_3 - Distributed parameters (Clarke) 3 phase. Transposed+ ?9 W! v; z( q6 v- R8 T- V. h
Card : BRANCH/ P" Z" j# g2 @& z+ A5 r! M
Data: Values are entered in the two independent modes of the system, here called + and 0.# L7 p( F) Q0 W' Z8 n& {" _
R/l= Resistance pr. length in [Ohm/m]
3 \: x# ^" R2 M: u8 Z( g4 u The lossless part can be described in three ways
1 h/ s8 o9 \. A& G3 P 0. Inductance L' in [mH/m] if Xopt=0 or in [ohm/m] if Xopt=power frequency
* [( V3 a0 u" Q6 k Capacitance C' in [uF/m] if Copt=0 or in [uMho/m] if Copt=power frequency
# n; w2 ^5 i' e: Q 1. Modal surge impedance in [ohms]; Z=sqrt(L'/C')
4 j! I1 i! i5 r' g! _ Modal propagation velocity in [m/s]; v=1/sqrt(L'*C')) s0 d3 q2 Z& }
2. Modal surge impedance in [ohms]* e+ z6 ]: Q* H. R2 y* y
Modal propagation time in ; T=sqrt(L'*C')*length 4 X3 R( t! t$ l' [
Xopt. and Copt. are set in menu: ATP|Settings/Simulation.4 P4 R+ M9 {1 q8 _! d/ h, C; a2 i
The user can choose conductance modeling G=0 (the usual case) and G=R*C/L (distortionless)
* u% p9 @, l0 D2 f- j4 K. J1 w& g1 p length= length of line in [m]
W0 W0 k) I3 @3 o- WNode : IN1= Start node. Letter 'A', 'B' or 'C'
9 D% ?6 C+ F* k( g is added to nodename for node 1, 2 and 3.
( B6 P; s. f$ @4 c OUT1= End node. Letter 'A', 'B' or 'C'+ S0 E9 U+ T% R1 w, u' y; v
is added to nodename for node 1, 2 and 3.
& M0 A0 h4 k( W& Z8 JOnly branch voltage output is reliable.
* @! B( D0 X6 Y% L6 cRuleBook: IV.D.1 |
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