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2-400202

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2-400202.021.022

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2005


. 4

1. . 5

1.1 .. 5

1.2 6

1.3 8

1.4 .. 12

1.5 . 12

1.6 12

1.7 , . 14

2 . 15

2.1 (.2.0) 15

2.2 . 16

3. . 17

3.1 . 17

3.2 18

3.3 . 18

3.4 , . 19

4. . 20

4.1 (.4.0) 20

4.2 . 20

4.3 21

4.4 . 21

4.5 . 21

5. . 24

5.1 τ 24

5.2 () t = 3 τ 25

5.3 I=f(t); (Uc=f(t)) 25

. 27


.

/ , , . : I II , , , . : , , . , . , .

:

, ;

;

;

;

;

.


1.

:

R2 I2 R7

I5 E1,r02 I7

R1

I3 R5

R3 R4 I4 I6

I1 E2,r02

R6

.1.0

:

E1=30B. r01=3Om. R1=16Om. R3=22Om. R5=43Om R7=55Om.

E2=40B. r02=2Om R2=27Om. R4=33Om. R6=51Om.

1.1

I2-I5-I3=0; I2-I5-I3=0;

I5+I6-I7=0; I5+I6-I7=0;

I7-I1-I2-I4=0; I7-I1-I2-I4=0;

E2-E1=R3I3-(R5+r01) I5+(R6+r02) I6; 10=53I6-46I5+22I3;

E1=R2I2+(R5+r01) I5+R7I7; 0=55I7+27I2+46I5;

0=R4I4-R3I3-R2I2; 0=33I4-22I3-27I2;

0=I1R1-I4R4; 0=16I1-33I4;

, .


1.2

(.1.0) (.1.1):

IK3 IK2

IK4 R2 R5 E2,r02 R7

R1 R4

IK1

R3 R6

E1,r01

.1.1

4-. :

I-. :

E2-E1=IK1(R6+r02+r01+R5+R3) +IK2(R5+r01) - IK3R3;

II-. :

E1= IK2(R5+r01+R7+R2) +IK3R2-IK1(R5+r01);

III-. :

0=IK3(R4+R3+R2) - IK2R2-IK1R3-IK4R4;

IV-. :

0=IK4(R1+R4) - IK3R4;

:

10=121IK1-46IK2-22IK2;

30=128IK2-27IK3-46IK1;

0=82IK3-27IK2-22IK1-33IK4;

0=49IK4-33IK3;

49IK4-33IK3 => 49IK4=33IK3 => IK4=0,67347IK3;

0=59,77549IK3-27IK2-22IK1;


10=121IK1-46IK2-22IK2;

30=128IK2-27IK3-46IK1;

0=59,77549IK3-27IK2-22IK1;

IK1=(128IK2-27IK3-30) /46;

10=121((128IK2-27IK3-30) /46) - 46IK2-22IK3 =>

IK2=(93,02174IK3+88,91304) /290,69566;

IK1=(13,95962IK3+9,15046) /46;

0=59,77549IK3-8,63992IK3-8,3583-6,67634IK3-4,37631

12,63461=44,45923IK3 =>

IK3=0,28418 A;

IK4=0, 19139 A;

IK2=0,39680 A;

IK1=0,28516 A;

, , :

I1=IK4=0, 19139 A.

I2=IK2-IK3=0,11262 A.

I3=IK1-IK3=0,00098 A.

I4=IK3-IK4=0,09279 A.

I5=IK2-IK1=0,11164 A.

I6=IK1=0,28516 A.

I7=IK2= 0,39680 A.


1.3

a) 2:

(.1.0) (.1.2), (.1.3) (.1.4) 2, r02:

R2 R7 I/7

I/2 I/5 E1,r01

R5

R1 I/1

R4

R3 I/3 I/4 I/6

R6 r02

.1.2

R2 R7

R5

R14

R3 R602

E1, r01

.1.3

R14=(R1R4)/(R1+R4)=(16*33)/(16+33)=10,77551 Om;

R602=R6+r02=51+2=53 Om;

R214 R7

R5 R23

R314 R602

E1,r01

.1.4


R214=(R2R14) /(R2+R3+R14) =(27*10.7755) /(27+10.7755+22) =4,86719 Om;

R23=(R2R3) /(R2+R3+R14) =(27*22) /(27+22+10.7755) =9,93718 Om;

R314=(R3R14) /(R3+R14+R2) =(22*10.7755) /(22+10.7755+27) =3,96586 Om;

R2147=R214+R7= 4.8672+55=59,86719 Om;

R314602=R314+R602= 3.9659+53=56,96586 Om;

R. =R5+R23+(R2147R314602) /(R2147+R314602) +r1= =43+9.9372+(59.8672*56.9659) /(59.8672+56.9659) +3=85,12743 Om;

I/=E1/R. = 30/85.1275=0,35241 A.

I/5=I/=0,35241 A.

I/7=I/(R314+R602) /(R214+R7+R314+R602) = =0.35241*(3.96586+53) /(4.86719+55+3.96586+53) =0,17182 A.;

I/602=I/6=I/(R214+R7) /(R214+R7+R314+R602) = =0.35241*(9.93718+55) /(9.93718+55+3.96586+53) =0,18058 A.;

II (I/14):

I/14R14-I/602R602+I/7R7=0;

I/14=(I/602R602-I/7R7) /R14= (0.18058*53-0.17182*55) /10.77551=0,0111 A.;

U14=I/14R14= 0.0111*10.77551=0,11961 B.;

I/1=U14/R1= 0,11961/16=0,00748 A.;

I/4=U14/R4= 0.11961/33=0,00362 A.;

I/2=I/7-I/14= 0,17182-0,0111=0,16072 A.;

I/3=I/1+I/4+I/6= 0,00748+0,00362+0,18058=0, 19168 A.;

b) 1:

(.1.0) (.1.5), (.1.6) (.1.7) 1, r01:


R2

I//5 R7 I//7

R5 r01

R1 I//1

R3 I//3 I//4 I//6

R4

R6 E2,r02

.1.5

R14 R2 R7

R501

R3

R6 E2,r02

 

.1.6

R14=(R1R4)/(R1+R4)=(16*33)/(16+33)=10,7755 Om;

R501=R5+r01=43+3=46 Om;

R14 R27

R3 R2501

R6 R751

E2,r02

.1.7

R27=(R2R7)/(R2+R7+R501)=(27*55)/(27+55+46)=11,60156 Om;

R2501=(R2R501)/(R2+R7+R501)=(27*46)/(27+55+46)=9,70313 Om;

R7501=(R7R501)/(R2+R7+R501)=(55*46)/(27+55+46)=19,76563 Om;

R1427=R14+R27=10,7755+11,60156=22,37707 Om;

R32501=R3+R2501=22+9,70313=31,70313 Om;

R=R6+R7501+(R1427R32501)/(R1427+R32501)+r02=51+19,76563+(22,37707*31,70313)/

/(22,37707+31,70313)+2=85,8836 Om;

I//=E2/R=40/85,8836=0,46575 A.;

I//6=I//=0,46575 A.;

I//14=I//((R3+R2501)/(R14+R27+R3+R2501))=0,46575*((22+9,70313)/ /(10,7755+11,60156+22+9,70313))= 0,27303 A.;

I//3=I//*((R14+R27)/(R14+R27+R3+R2501))=0,46575*((10,7755+11,60156)/ /(10,7755+11,60156+22+9,70313))=0.19272 A.;

U14=I//14*R14=0,27303*10,77551=2,94204 B.;

I//1=U14/R1=2,94204/16=0,18388 A.;

I//4=U14/R4=2,94204/33=0,08915 A.;

II (I // 5):

E2=I // 6(R6+r02) +I // 5(R5+r01) +I // 3R3;

I // 5=(E2-I // 6(R6+r02) - I // 3R3) /(R5+r01) =(40-0,46575*(51+2) - 0, 19272*22) /(43*3) =

=0,24077 A.;

I (I // 7 I // 2):

I // 7=I // 6-I // 5=0,46575-0,24077=0,22498 A.;

I // 2=I // 7-I // 1-I // 4=0,22498-0,18388-0,08915=-0,04805 A.;

, , , :

I1=I/1+I // 1=0,00748 +0,18388 =0,2151 A.;

I2=I/2-I // 2=0,16072-0,04805=0,11267 A.;

I3=I/3-I // 3=0, 19168-0, 19272=-0,00104 A.;

I4=I/4+I // 4=0,00362+0,08915=0,09277 A.;

I5=I/5-I // 5=0,3524-0,24077=0,11163 A.;

I6=I // 6-I/6=0,46575-0,1877=0,27805 A.;

I7=I/7+I // 7=0,1718+0,22498=0,39678 A.;

1.4

E1I5+E2I6=I21R1+I22R2+I23R3+I24R4+I25(R5+r01) +I26(R6+r02) +I27R7;

3,88263+10,6064=1,124957+0, 20347+0,03994+0,059915+0,77049+3,726420+8,563179;

14,48903 ≈14,48837 ;

1.5

I
I1 0, 19139 0, 19136 0,003%
I2 0,11262 0,11267 -0,005%
I3 0,00098 0,00104 -0,006%
I4 0,09279 0,09277 0,002%
I5 0,11164 0,11164 0%
I6 0,28516 0,28517 -0,001%
I7 0,39680 0,3968 0%

1.6

R2 (.1.8):

I1 I4 IK2 R7 I7

I5

E1,r01

R1 R4

I3

IK3 IK1

R3 I6

: 1, 2


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