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
" D+ i9 d4 F" c" b( T' u 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
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
WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  6
% S8 ]' `/ C& t/ z$ t WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION  7
7 \! i  E( o: J2 v5 c6 | 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
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
, e  B: G8 H( m; G 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
  }0 T1 F! Z6 s1 R3 Z0 Y WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 14
/ Q/ e; V* w1 o/ s( S WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 15
0 m, v( V4 J7 U, v* h+ S WT1G1 AT BUS      4 MACHINE 4 : INNER LOOP NOT CONVERGED ON OUTER ITERATION 16
' J3 ^3 N5 ]5 n/ d- m5 ~7 i) g* Q- X& G 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 z4 s& F4 N8 _- b1 A" W 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
WT1G1 AT BUS      4 MACHINE 4 : X'  =0.17730 IM(ZSORCE) =1.00000
7 g* U1 I$ f# {% [2 R$ u
! x3 t, I0 v  S: i+ O Model GENROU Bus 1 [WEST        20.000] Machine "1 " :
5 @+ Q5 t/ e# h2 N7 b" v' E     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005
( d9 }: ^( E3 \% R9 d1 x
& a5 r8 l& J( J* b/ S- S Model GENROU Bus 2 [WEST        20.000] Machine "2 " :
+ G- B. |& l3 g! m3 H8 G6 q5 R7 |) q     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005

' R) Q  ~- l1 D+ V6 ^  k, \$ w Model GENROU Bus 3 [EAST        20.000] Machine "3 " :
) B, G1 X. T/ b: X9 P* ^. z     X'D = 0.25, imaginary part of complex machine impedance (ZSORCE) = 1.0, differ by > 0.000005
" V  v( A6 f/ Q  S* d
     PTI INTERACTIVE POWER SYSTEM SIMULATOR--PSS(R)E     FRI, OCT 23 2015  10:18
6 S( {3 ~* b8 {& v+ D& t0 l# l1 N; A5 i


) G& Z/ o, l( @3 [ INITIAL CONDITION LOAD FLOW USED 15 ITERATIONS

/ V. e+ |1 F! V: q& T ----------------------------- MACHINE INITIAL CONDITIONS -----------------------------
# e0 C2 g; e1 F  v  }0 s# x7 ]8 O; d1 C   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 EAST        0.6900 4  1.0359 0.0000     NaN     NaN    NaN    NaN    NaN    NaN

7 M1 T8 F. t8 e' n INITIAL CONDITIONS CHECK O.K.
5 g8 F: N7 h, X4 c
& X  m7 @+ X! p9 m4 B0 Z- i2 V3 s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