I（31）max K 3 I（31）min K 3 9.16 =2.163 kA 4.234 9.16 =2.143 kA 4.273
S K 1 3 max
S K 1 3 min
100 =23.618 MVA 4.234
100 =23.402 MVA 4.273
0.06 +0.012=3.366 2
） I（33 max K
S K 3 min
100 =29.214MVA 3.423
4）
* K4 点短路时 X K 4 max =0.952+2.372+0.006=3.330
* X K 4 min =0.991+2.372+0.006=3.369
9.16 =2.751 kA 3.330 9.16 ） =2.719 kA I（34 min K 3.369 100 =30.03 MVA S K 4 max 3.330 100 =29.682 MVA S K 4 min 3.369
100 =29.112 MVA 3.435
0.06 +0.006=3.360 2
* 15） K15 点短路时 X K15max =0.952+2.372+
X *K 15min =0.991+2.372+0.06+0.006=3.429
I（31）max K 5 I（31）min K 5 9.16 =2.726 kA 3.360 9.16 =2.671 kA 3.429
* X K 1 0min
=0.991+2.372+1.693=5.056
9.16 =1.826 kA 5.017
） I（310max K
） I（310min K
S K10max S K 10min
9.16 =1.812 kA 5.056 100 =19.932 MVA 5.017 100 =19.778 MVA 5.056
S K 7 min
Байду номын сангаас8）
9.16 =1.584 kA 5.782 100 =17.412 MVA 5.743 100 =17.295 MVA 5.782
* K8 点短路时 X K 8 max =0.952+2.372+0.007=3.331 * X K 8 min =0.991+2.372+0.007=3.370
） I（35 max K
6）
* K6 点短路时 X K 6 max =0.952+2.372+0.121=3.445
* X K 6 min =0.991+2.372+0.121=3.484
9.16 =2.659 kA 3.445 9.16 ） =2.629 kA I（36 min K 3.484 100 =29.028 MVA S K 6 max 3.445 100 =28.703 MVA S K 6 min 3.484
S K 1 5max S K 1 5min
100 =29.762 MVA 3.360 100 =29.163 MVA 3.429
0.06 +0.168=3.522 2
* 16） K16 点短路时 X K16max =0.952+2.372+
X *K 16min =0.991+2.372+0.06+0.168=3.591
100 =27.226MVA 3.673
0.06 =3.354 2
* K3 点短路时 X K 3 max =0.952+2.372+
* X K 3 min =0.991+2.372+0.06=3.423
9.16 =2.731kA 3.354 9.16 ） =2.676kA I（33 min K 3.423 100 =29.815MVA S K 3 max 3.354
） I（31 max K
2）
* K2 点短路时 X K 2 max =0.952+2.372+0.31=3.634
* X K 2 min = 0.991+2.372+0.31=3.673
I（32）max K I（32）min K S K 2 max
S K 2 min
3）
9.16 =2.521kA 3.634 9.16 =2.494kA 3.673 100 =27.518MVA 3.634
* 11） K11 点短路时 X K 1 1max =0.952+2.372+0.435=3.759
* X K11min =0.991+2.372+0.435=3.798
I（31）max K 1 I（31）min K 1 S K 1 1max S K 1 1min
9.16 =2.437 kA 3.759 9.16 =2.412kA 3.798 100 =26.603 MVA 3.759 100 =26.33MVA 3.798
9.16 =2.749 kA 3.332 9.16 ） =2.717 kA I（39 min K 3.371 100 =30.012 MVA S K 9 max 3.332 100 =29.665 MVA S K 9 min 3.371
） I（39 max K
* 10） K10 点短路时 X K 1 0max =0.952+2.372+1.693=5.017
I（31）max K 6 I（31）min K 6 S K 1 6 max S K 1 6 min 9.16 =2.601kA 3.522 9.16 =2.551kA 3.591 100 =28.393MVA 3.522 100 =27.847MVA 3.591
0.06 +0.06=3.414 2
* 14） K14 点短路时 X K14max =0.952+2.372+
* X K14min =0.991+2.372+0.06+0.012=3.435
I（31）max K 4 I（31）min K 4 S K 1 4max
S K 1 4min
9.16 =2.721 kA 3.366 9.16 =2.667 kA 3.435 100 =29.709 MVA 3.366
） I（36 max K
7）
* K7 点短路时 X K 7 max =0.952+2.372+2.419=5.743
* X K 7 min =0.991+2.372+2.419=5.782
I（37）max K
I（37）min K S K 7 max
9.16 =1.594 kA 5.743
0.06 +0.395=3.749 2
* 18） K18 点短路时 X K18max =0.952+2.372+
X *K 18min =0.991+2.372+0.06+0.395=3.818
I（31）max K 8 I（31）min K 8 S K 1 8max S K 1 8min 9.16 =2.443 kA 3.749 9.16 =2.399 kA 3.818 100 =26.674MVA 3.749 100 =26.192MVA 3.818
* 17） K17 点短路时 X K17max *=0.952+2.372+
X *K 17min =0.991+2.372+0.06+0.06=3.483
I（31）max K 7 I（31）min K 7 S K 1 7max S K 1 7min 9.16 =2.683 kA 3.414 9.16 =2.63 kA 3.483 100 =29.291MVA 3.414 100 =28.711MVA 3.483
） I（34 max K
5）
* K5 点短路时 X K 5 max =0.952+2.372+1.209=4.533
* X K 5 min =0.991+2.372+1.209=4.572
9.16 =2.021 kA 4.533 9.16 ） =2.003 kA I（35 min K 4.572 100 =22.06 MVA S K 5 max 4.533 100 =21.872 MVA S K 5 min 4.572
0.06 +0.003=3.357 2
* 19） K19 点短路时 X K19max =0.952+2.372+
X *K 19min =0.991+2.372+0.06+0.003=3.426
I（31）max K 9 I（31）min K 9 9.16 =2.729 KA 3.357 9.16 =2.674KA 3.426 100 =29.789MVA 3.357
S K 1 9max S K 1 9min
100 = 29.189MVA 3.426
2、短路电流、短路容量计算 1）
* K1 点短路时 X K 1 max = 0.952+2.372=3.324
* X K1min =0.991+2.372=3.363
9.16 =2.756kA 3.324 9.16 ） =2.724kA I（31min K 3.363 100 =30.084MVA S K 1 max 3.324 100 =29.735MVA S K1 min 3.363
9.16 =2.75 kA 3.331 9.16 ） =2.718 kA I（38 min K 3.370 100 =30.021 MVA S K 8 max 3.331 100 =29.674 MVA S K 8 min 3.370