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：
$ _1 w9 C; k& G3 S7 Y" V12 diagonal and 11 off-diagonal elements
1 b; W6 H& c6 I1 P4 i WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  2
* I  ~% A/ g; U' R8 ^% e. K 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
8 R8 d( a7 P/ t1 l  o2 c% m1 {; c 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
+ H: S* r0 m- a7 z 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
" i$ z1 [& y) I" p3 N4 L+ D 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
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 14
  G5 j( i9 D9 |5 l. {8 o* T+ m7 z 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
* U# J/ m6 s2 S6 m2 N# b WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 17
* n7 l9 U; B) \; C0 I) o- 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
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 20
WT1G1 AT BUS      4 MACHINE 4 : UNABLE TO MEET LOAD FLOW P WITH MODEL REACTANCES
" ]; Z/ w' |% G8 v3 ^ WT1G1 AT BUS      4 MACHINE 4 : X'  =0.17730 IM(ZSORCE) =1.00000
5 R& ^- [8 E0 i5 H
Model GENROU Bus 1 [WEST        20.000] Machine "1 " :
+ s( ^' Y% G$ J$ `0 j     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005
0 q& E8 L) k% |# X* O" }& b. g
Model GENROU Bus 2 [WEST        20.000] Machine "2 " :
4 b$ I1 `2 ~3 e# N7 P' c     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005
% a, D. x: [' V+ A* m* t1 e7 w. w
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
9 x) E1 C- ?, j+ W8 x6 D3 I8 P
     PTI INTERACTIVE POWER SYSTEM SIMULATOR--PSS(R)E     FRI, OCT 23 2015  10:18
6 r+ H' `# b$ z( v' }


INITIAL CONDITION LOAD FLOW USED 15 ITERATIONS

----------------------------- MACHINE INITIAL CONDITIONS -----------------------------
   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
/ ^. F( y' b$ o8 _! h+ q6 [      2 WEST        20.000 2     NaN    NaN     NaN     NaN    NaN    NaN    NaN    NaN
- M4 H; b% L( a: N( i1 {; i      3 EAST        20.000 3     NaN    NaN     NaN     NaN    NaN    NaN    NaN    NaN
      4 EAST        0.6900 4  1.0359 0.0000     NaN     NaN    NaN    NaN    NaN    NaN
  S2 c4 ]+ m+ o- y' e5 h$ p5 w
( }6 H. ?) _5 ~6 K& `- H$ ~6 G* _9 L0 D) N 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