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：
' D- X. Q8 r6 d: k- A; c; o% o12 diagonal and 11 off-diagonal elements
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  2
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  3
* L7 i8 n5 Q- b0 D0 V2 e WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  4
% Z+ M4 V8 n/ Q* b4 Q# C WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  5
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  6
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  7
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  8
0 d+ R, n8 `% E4 E: \ WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  9
1 I8 t3 H9 |# W5 I+ H" ~ 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
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 13
4 F$ ~/ p: L: n! { WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 14
2 G& T5 W5 z# D4 ^  g' p WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 15
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 16
" C& {- ^& ]  D! n WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 17
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 18
7 d* @" r; I) X: [4 Y( }! j WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 19
1 X& c! l7 a! g7 C WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 20
4 z$ ~4 |4 ?# n$ U( o/ j$ v8 t  e WT1G1 AT BUS      4 MACHINE 4 : UNABLE TO MEET LOAD FLOW P WITH MODEL REACTANCES
5 J) c# K. F5 e4 Q WT1G1 AT BUS      4 MACHINE 4 : X'  =0.17730 IM(ZSORCE) =1.00000

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
' ~! W! u& b0 f, N
1 g0 v* D! D9 ~/ |  [9 d- K8 { 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

: d( z5 O& L1 R" [ Model GENROU Bus 3 [EAST        20.000] Machine "3 " :
0 s; L! C  L! g" D- M( L     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005
0 Y9 B0 P1 b" ^& N# N1 s: A
     PTI INTERACTIVE POWER SYSTEM SIMULATOR--PSS(R)E     FRI, OCT 23 2015  10:18
% A  s) J3 \: E6 n2 q) k

/ M: @/ ^: X8 N  W' J
INITIAL CONDITION LOAD FLOW USED 15 ITERATIONS
# H" f- e% P2 u% p5 f; N. e
6 ?9 b6 t& l/ R  t' ` ----------------------------- MACHINE INITIAL CONDITIONS -----------------------------
- |5 _2 F# ?3 e9 C) w! K   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
4 V8 q4 q, O+ F0 b, o# }; o      4 EAST        0.6900 4  1.0359 0.0000     NaN     NaN    NaN    NaN    NaN    NaN
9 T. a  H2 C9 w1 o, d* w# e
INITIAL CONDITIONS CHECK O.K.

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