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：
8 C. `% R4 a% w: J8 {12 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
. }& K0 [# s0 X7 F9 H 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
$ N& f/ q5 F% Z WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  6
; v+ [3 J/ g: Y  B3 k) j WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  7
: A' W/ ]! ~4 D" c% d WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  8
$ }( S( |$ }8 V WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  9
+ k! m; Q( E( \; Q& ]. E5 C 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
& n/ B$ v3 C3 C' n* z WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 12
+ r( b; g7 I! r& W# c: n WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 13
. H9 Z: [  L0 P) c WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 14
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
0 K4 f. T5 C; p WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 17
% Q' O& L! ~" o  z  ~! U 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
9 h7 p* O  ^. T7 y 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

( R0 X  b  h/ }$ Y1 q( Q! D/ F+ F 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

# I& r2 O7 O+ V6 d; H4 ?# ]: Z9 d6 i Model GENROU Bus 3 [EAST        20.000] Machine "3 " :
# m6 G( W! U2 ~- N3 C: @7 @     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005

     PTI INTERACTIVE POWER SYSTEM SIMULATOR--PSS(R)E     FRI, OCT 23 2015  10:18
5 q- K, H$ t% q+ G

4 }" F* h: {: e, V5 l; a) V
9 p% S+ w# G0 @ INITIAL CONDITION LOAD FLOW USED 15 ITERATIONS

----------------------------- MACHINE INITIAL CONDITIONS -----------------------------
/ \1 Y8 ]/ i+ R, p! [/ f7 A3 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
8 @/ l6 L& U* c7 q; h! |- V      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
9 A/ S' v: j/ p/ R/ q
INITIAL CONDITIONS CHECK O.K.
! I! S4 q* z# X1 \; e- {
+ X' Z5 w6 X6 E" b8 O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