|
楼主 |
发表于 2013-3-21 09:46:31
|
显示全部楼层
如果是这样的话
* f* s; E) D: H& ?& o. D
- z/ C, b2 }& ~8 ?1.变压器变比未知,i_d=3.6kA,gama=22,aerfa=15,v_di=1,* [3 I: }( {- L+ M, H* @5 p( @* c
v_oi=(v_di+3*x_ci*i_d/(pi))/(cos(aerfa*(pi)/180));
6 e/ X) e" R5 }5 k1 z/ p) e& m n_i=v_oi/(3*sqrt(2)/(pi)*voltage(7));2 P0 \% k, a. ]# V
v_dj=v_di-i_d*r_d;
! ^: l* c+ x. V' ~& J; z+ n v_oj=(v_dj+3*x_ci*i_d/(pi))/(cos(gama*(pi)/180));( j% H# h/ j; `2 ?
n_j=v_oj/(3*sqrt(2)/(pi)*voltage(9));
) D, b3 }- d7 x5 G+ M% b2 C# P+ _! K; X fi=acos(v_di/v_oi);
1 W6 e7 J' d' W- V fj=acos(v_dj/v_oj);0 Y5 d7 x) s% ]4 [. M/ Z, \
dc_pi=v_di*i_d2 m3 T- \9 y& K/ o6 A
dc_qi=dc_pi*tan(fi)
. A H7 ~8 q" B' |' J0 Y! S dc_石皮解=v_dj*i_d
0 S9 J# G' k) o9 i7 B: T7 l dc_qj=dc_石皮解*tan(fj). a( W" \, {4 C+ x$ U
6 L; G: U5 L6 z5 B# v1 M运行结果:7 c; h- j6 h7 ?( ^: X) B1 }, [
1.0300 15.9013
8 H7 W0 K4 {2 r6 k4 X; _# ~5 d1 M6 `% f 1.0100 6.3213
& l" y6 I9 q( a! P! G# ]# ? 1.0300 -6.8000! }. o9 |, a8 s, c
1.0100 -16.9823
2 \' ~* V# b8 T" j9 A- @( Z S 1.0180 9.5119
' O" ]0 Z! z/ J9 |& X4 b5 i0 q- ]7 \ 1.0066 -0.2698* O w' g; g. [) H( V x
1.0121 -8.1570
) d' B+ N2 t0 Q' F6 \; X3 X 1.0592 -20.27474 a0 \, v! f* }* w1 c+ h+ x
1.0130 -31.5991
4 A$ {# B* a! N9 P+ {! S 1.0065 -23.57393 g" D+ K; V$ L
1.0175 -13.4257 |
|