Методические указания к курсовой работе по дисциплине "Переходные процессы". Пилипенко В.Т. - 18 стр.

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Преобразование звезды в треугольник:
;91.3136.0483.3
626.1
136.0483.3
39*
0
20*
0
19*
0
39*
0
20*
0
43*
0
=++
⋅
=++
⋅
= XX
X
XX
X
;751.46483.3626.1
136.0
483.3626.1
20*
0
19*
0
39*
0
20*
0
19*
0
44*
0
=++
⋅
=++
⋅
= XX
X
XX
X
.825.1136.0626.1
483.3
136.0626.1
39*
0
19*
0
20*
0
39*
0
19*
0
45*
0
=++
⋅
=++
⋅
= XX
X
XX
X
E``1=1.13
E``7=0.949
44
46.751
45
1.825
40
0.667
E``
11=1.13 E``13=1.13
21
1.451
22
1.451
42
1.994
41
0.5
43
3.91
E``
1=1.13
Рисунок 6 – Второй этап преобразования
Преобразование треугольника в звезду:
;366.1
751.46451.1451.1
751.46451.1
44*
0
22*
0
21*
0
44*
0
21*
0
46*
0
=
++
⋅
=
++
⋅
=
XXX
XX
X
;366.1
751.46451.1451.1
751.46451.1
44*
0
22*
0
21*
0
44*
0
22*
0
47*
0
=
++
⋅
=
++
⋅
=
XXX
XX
X
;042.0
751.46451.1451.1
451.1451.1
44*
0
22*
0
21*
0
22*
0
21*
0
48*
0
=
++
⋅
=
++
⋅
=
XXX
XX
X
.448.0
667.0825.1
667.0825.1
45*
0
40*
0
45*
0
40*
0
49*
0
=
+
⋅
=
+
⋅
=
XX
XX
X
18 
              Преобразование звезды в треугольник:
          0              0
0         X *20 ⋅ X *39                0               0           3.483 ⋅ 0.136
X *43 =          0
                                     + X *20 + X *39 =                           + 3.483 + 0.136 = 3.91;
                                                                      1.626
                X *19
          0              0
0         X *19 ⋅ X *20                0           0               1.626 ⋅ 3.483
X *44 =          0
                                     + X *19 + X *20 =                           + 1.626 + 3.483 = 46.751;
                                                                      0.136
                X *39
          0              0
0         X *19 ⋅ X *39                0           0               1.626 ⋅ 0.136
X *45 =          0
                                     + X *19 + X *39 =                           + 1.626 + 0.136 = 1.825.
                                                                      3.483
                X *20

               E``1=1.13
                                                                         E``7=0.949       E``1=1.13




                                            44
           45                             46.751                                   42                  43
          1.825                                                                   1.994               3.91




           40                              21               22                   41
          0.667                           1.451            1.451                 0.5




               E``11=1.13                                                E``13=1.13

     Рисунок 6 – Второй этап преобразования

              Преобразование треугольника в звезду:
                     0           0
0                 X *21 ⋅ X *44                            1.451 ⋅ 46.751
X *46 =                                            =                          = 1.366;
          0                  0            0            1.451 + 1.451 + 46.751
          X *21 + X *22 + X *44
                     0           0
0                 X *22 ⋅ X *44                            1.451 ⋅ 46.751
X *47 =                                            =                          = 1.366;
          0                  0            0            1.451 + 1.451 + 46.751
          X *21 + X *22 + X *44
                     0           0
0                 X *21 ⋅ X *22                             1.451 ⋅ 1.451
X *48 =                                            =                          = 0.042;
          0                  0            0            1.451 + 1.451 + 46.751
          X *21 + X *22 + X *44
           0             0
0         X *40 ⋅ X *45                   1.825 ⋅ 0.667
X *49 =                               =                 = 0.448.
          0                  0            1.825 + 0.667
          X *40 + X *45




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