Расчёт электрических сетей железных дорог

М=

5) Найдём обратную матрицу:

Мg =

6) Построим вторую матрицу инциденции:

N=

7) Матрица N*Lв:

Аварийный режим

a=[0 -1 1 0 0 0 0 0 0;0 0 -1 1 0 0 0 0 0;0 0 0 -1 1 0 0 0 -1;0 0 0 0 -1 0 0 1 0;-1 1 0 0 0 1 0 -1 0;0 0 0 0 0 -1 1 0 0;0 0 0 0 0 0 -1 0 1;0 3 2.7 5 3.5 0 0 4 0;0 -3 -2.7 -5 0 2.5 2 0 1]

a =

0 -1.0000 1.0000 0 0 0 0 0 0

0 0 -1.0000 1.0000 0 0 0 0 0

0 0 0 -1.0000 1.0000 0 0 0 -1.0000

0 0 0 0 -1.0000 0 0 1.0000 0

-1.0000 1.0000 0 0 0 1.0000 0 -1.0000 0

0 0 0 0 0 -1.0000 1.0000 0 0

0 0 0 0 0 0 -1.0000 0 1.0000

0 3.0000 2.7000 5.0000 3.5000 0 0 4.0000 0

0 -3.0000 -2.7000 -5.0000 0 2.5000 2.0000 0 1.0000

b= [-0.7;-0.7;-0.8;-0.9;-0.7;-1;-0.7;0;0]

b =

-0.7000

-0.7000

-0.8000

-0.9000

-0.7000

-1.0000

-0.7000

0

0

c= [-0.7;-0.5;-0.6;-0.7;-0.3;-0.3;-0.7;0;0]

c =

-0.7000

-0.5000

-0.6000

-0.7000

-0.3000

-0.3000

-0.7000

0

0

a1=inv(a)

a1 =

-1.0000 -1.0000 -1.0000 -1.0000 -1.0000 -1.0000 -1.0000 0.0000 0.0000

-0.7838 -0.5891 -0.2287 -0.1220 0 -0.1040 -0.1871 0.0305 -0.0416

0.2162 -0.5891 -0.2287 -0.1220 0 -0.1040 -0.1871 0.0305 -0.0416

0.2162 0.4109 -0.2287 -0.1220 0 -0.1040 -0.1871 0.0305 -0.0416

0.0915 0.1738 0.3263 -0.3593 0 0.1483 0.2670 0.0898 0.0593

-0.1248 -0.2370 -0.4450 -0.2373 0 -0.7477 -0.5459 0.0593 0.1009

-0.1248 -0.2370 -0.4450 -0.2373 0 0.2523 -0.5459 0.0593 0.1009

0.0915 0.1738 0.3263 0.6407 0 0.1483 0.2670 0.0898 0.0593

-0.1248 -0.2370 -0.4450 -0.2373 0 0.2523 0.4541 0.0593 0.1009

b1=a1*b

b1 =

5.5000

1.4887

0.7887

0.0887

-0.4586

1.9526

0.9526

-1.3586

0.2526

c1=a1*c

c1 =

3.8000

1.2280

0.5280

0.0280

-0.3266

1.2454

0.9454

-1.0266

0.2454

b1=diag(b1)

b1 =

5.5000 0 0 0 0 0 0 0 0

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