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：
) [' f! j  j+ B; [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
) U/ D- l" Y8 L- y( V 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
4 Z3 U, X; o  i 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
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  9
# H0 o: t' B. D, _. H0 l WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 10
! Z! y/ W; d: a- f' w/ a WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 11
2 ~( I% s. D: W+ D: V: M 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
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 15
# m! ~0 G9 {. [# G- d+ E4 R 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
: E5 w4 x8 C& H2 T  e* r 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
8 p+ Q% ]1 y$ } 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
WT1G1 AT BUS      4 MACHINE 4 : X'  =0.17730 IM(ZSORCE) =1.00000
$ m( v% B& e: r( V" ?" o
# K, G* g% |. A% I7 n 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

& J% l! F2 g2 y$ N) u Model GENROU Bus 2 [WEST        20.000] Machine "2 " :
7 Q* h0 p, a2 C: j: @9 s: e1 J7 l     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005
( c1 ~1 p7 r& R: j
0 F7 h0 @' U* `2 h; ^3 ` 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

     PTI INTERACTIVE POWER SYSTEM SIMULATOR--PSS(R)E     FRI, OCT 23 2015  10:18



  ?0 A+ _% f0 n4 d4 y INITIAL CONDITION LOAD FLOW USED 15 ITERATIONS
7 @$ S8 _+ d4 Y& O5 m
----------------------------- MACHINE INITIAL CONDITIONS -----------------------------
9 [  o4 E7 X0 _4 P  l$ j% }   BUS# X-- NAME --X BASKV ID  ETERM   EFD    POWER    VARS   P.F.  ANGLE   ID     IQ
" L9 |" P4 r3 w) _# E, M      1 WEST        20.000 1     NaN    NaN     NaN     NaN    NaN    NaN    NaN    NaN
5 l3 M/ W+ u& j* G; r2 T6 O      2 WEST        20.000 2     NaN    NaN     NaN     NaN    NaN    NaN    NaN    NaN
& \4 k, o( h5 Q+ F      3 EAST        20.000 3     NaN    NaN     NaN     NaN    NaN    NaN    NaN    NaN
, L0 U! a* Y+ O8 l+ g      4 EAST        0.6900 4  1.0359 0.0000     NaN     NaN    NaN    NaN    NaN    NaN

, B8 z3 k0 v3 K INITIAL CONDITIONS CHECK O.K.
' f! C, x& _0 Z! s" H. S  v
4 U. t8 B$ J0 c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