psse加入风电场特征值分析

莫云峰

当在PSSE中加入风电场模型后，进行特征值分析计算时，在执行完ASTR指令后，出现如下错误：
12 diagonal and 11 off-diagonal elements
8 T, s. m8 Z5 J WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  2
0 U+ E' h6 N  G' t8 a3 D. P! G WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  3
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  4
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  5
1 F; E" i9 @3 q) X WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  6
& j7 _' k3 B3 I WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  7
7 l+ y% L" U9 M WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  8
$ {* _$ S7 Z4 S8 S0 t WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  9
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 10
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 11
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 12
1 h+ D. d' c; w6 d2 g$ @( W4 c WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 13
! b% f$ v" s( d) f$ u6 L* F WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 14
7 o0 M) p! S* u WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 15
! G& p, k2 C7 W+ n9 J' Q$ B WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 16
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 17
1 h9 f5 D" C: t0 K WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 18
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 19
% W: r3 L0 }4 |2 }5 ~8 r& @ WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 20
* t0 A( p8 k0 {8 o1 U$ ?3 Q7 g9 R WT1G1 AT BUS      4 MACHINE 4 : UNABLE TO MEET LOAD FLOW P WITH MODEL REACTANCES
7 n! z9 X8 }3 i" }5 l$ x9 r WT1G1 AT BUS      4 MACHINE 4 : X'  =0.17730 IM(ZSORCE) =1.00000

5 m$ r& ^- [; q4 @" ]2 c# x+ @$ ^ Model GENROU Bus 1 [WEST        20.000] Machine "1 " :
     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005

4 D% P3 z! |# P9 {7 |1 h" S Model GENROU Bus 2 [WEST        20.000] Machine "2 " :
     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005

% g6 L. c% [/ } Model GENROU Bus 3 [EAST        20.000] Machine "3 " :
     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005
* b: d* T4 L& f, w
     PTI INTERACTIVE POWER SYSTEM SIMULATOR--PSS(R)E     FRI, OCT 23 2015  10:18


  g1 B9 B: x5 v- A/ T  p6 D
, S9 r( [& y, H  P6 N9 k$ [- \' U INITIAL CONDITION LOAD FLOW USED 15 ITERATIONS

' M1 c9 p. M# C! I& ]6 X/ q ----------------------------- MACHINE INITIAL CONDITIONS -----------------------------
' m$ Y6 N  ]; \+ ~, j, _5 D   BUS# X-- NAME --X BASKV ID  ETERM   EFD    POWER    VARS   P.F.  ANGLE   ID     IQ
      1 WEST        20.000 1     NaN    NaN     NaN     NaN    NaN    NaN    NaN    NaN
      2 WEST        20.000 2     NaN    NaN     NaN     NaN    NaN    NaN    NaN    NaN
      3 EAST        20.000 3     NaN    NaN     NaN     NaN    NaN    NaN    NaN    NaN
$ B, h5 Q8 j# n      4 EAST        0.6900 4  1.0359 0.0000     NaN     NaN    NaN    NaN    NaN    NaN
! a- s0 ?: U: _) v$ |- @5 i
* q4 B7 G  F  i$ c INITIAL CONDITIONS CHECK O.K.
( M* V  e2 d" k3 `% u+ A8 S+ @# n
请问是什么原因？（前面错误信息懂得，不用翻译。）NaN是什么意思？

wangh09

NaN是   not a number  一般是无穷大什么的   应该是积分时发散了    或是除0错误