????? ?????? ??????? ?????? ???? ??????? - PowerPoint PPT Presentation

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Title:

????? ?????? ??????? ?????? ???? ???????

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Title: 1 Author: Petr Last modified by: Petr Created Date: 9/16/2004 10:16:16 AM Document presentation format: Company – PowerPoint PPT presentation

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Tags: mathcad

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Transcript and Presenter's Notes

Title: ????? ?????? ??????? ?????? ???? ???????


1
????? ?????? ??????? ?????? ???? ??????? ?????
?????? ????? ??????? ??????????
  • ????? ?????? ??????? ??? ???? ????? ?????
    ??????? ????? ????? ??????.
  • ???? ????? ?????
  • ????? ????? ??????? ????? ????? ?? ????? ??? ????
    ?????
  • ????? ??????? ?????? ??? ???? ????? ??? KCL
  • ????? ??????? ?????? ??? ??? ????? ??? KVL
  • ????? ?? ?????? ????? ?????? (????????)
  • ????? ????? ??????? ??????????
  • ????? ????? ???? ????? ???? ??????? ???????
    (???????) ?? ??????

2
  • ??? ???? ????? ????? N- ????? ( Nodes) ?- M-
    ????? (Meshs) ???? ?????? M N - 1)) ???????
    ??-?? ???? ??????? ???????? ?????? ????? ??? ????
    ?????.
  • ?????? ???? ???? ????? ??? ????? ????? ??? ???

3
  • ???? ????? ??????? ?? ??????? ?????? ????? ?????.

4
  • ???? ???? ???? ?????. ??? ??? ??? ???????
    ?????? (KCL)
  • ???? ??????? ?????? ???? ????? ??????? ?????
    ????? ????? ????? ( ) ?????? ??????? ??????
    ????? ????? ????? (- )
  • ????? 1 - I1 I2 - I3 0
    ( 1 )
  • ????? 2 I1 I4 - I6 0
    ( 2 )
  • ????? 3 I3 I6 - I5 0
    ( 3 )
  • ????? 4 I5 - I2 - I4 0
    ( 4 )
  • ?????? ????? ???????? ??? KCL. ???? ???????
    ?? ?????? ???? ????? ???? ???? ????? ??????.
    ????? ??? ????????? ?????? ???? ????? ?????
    ??????? ?????. ???? ???? ???? KCL ?? ???? ?? ????
    ??????? ?? ??????, ????, ??????? ( 1 ), ( 2 ), (
    3 ).

5
  • ????? ??????? ??????? ?? ????? ??-?? ??? ???????
    ??????
  • ( KVL) ?? ???? ?? ????????? ?????? ????
    ?????? ?? ???. ??? ?? ????? ????? ?? ?????? ?????
    ?? ?? ????? ????? ????????? ?????.
  • ????? ?? ?????? ?? ??? ???? ?? ??? ???? ????? ???
    ??? ??? ???? ?? ????? ???? ?????? ??????? ???????
    ????? ????? ???????.
  • ??????? ??? ??? ??????? ?????? ??????? ???? ?????
    ??
  • ???? 1 ( ??? ?????? 1-2-4-1 )
  • ) I1R1 E2 I2R2 E4 I4R4 E1 0
    5)
  • ???? 2 ( ??? ?????? 1-4-3-1 )
  • -I3R3 E3 I5R5 I2R2 E2 0
    (6)
  • ???? 3 ( ??? ?????? 2-3-4-2 )
  • I4R4 - E4 I5R5 - E5 I6R6 0
    (7)

6
  • ????? ?????? ( ?????? ) ???????? ????? ??????
    ???? ?????

-I1 I2 - I3 0
I1 I4 - I6 0 I3 I5 I6
0 I1R1 I2R2 I4R4 E1 E2 E4
I2R2 -I3R3 I5R5 E2 - E3 I4R4 I5R5
I6R6 E4 E5
7
????? ????? ?? ????? ????????.
  • ???? ?????? ?? ????? ??????? ????????? ?? n-
    ??????

8
  • ?? ??? (?????, ????) ?????? ?????? b - ?????
    (Branches) ???? ?????? ???b -????? ???? ???? ???
    ??? ??? ??-??? ????? ??????? ????????? ???????
    ?????? ??-??? ??? ???? ???????

9
  • ???? ?? ???? ???? ????? ???? jx )
    (Z R?? ??????? (R).
  • ???????? ?????? ??? ??? ??????? ?????? (KCL),
    ?????? ?????? ????? 1 ?? 0 ????? ??????
    ?????.
  • Fi ???? ?????? ???? ?? ?????? ???? ???? i,
    ?????? ??-??? ?????? ??????? (?????? ????? ??-??
    KVL)
  • ?? ???? ????? ?? ?? ??????? ???????? ????? i,
    ?????? ??-??? ?????? ??????? (?????? ????? ??-??
    KCL).

10
????? ????? ??????? ????????? ????? ???????
11
  • ???? ???????
  • ??? ???? ????? ?????? ???? ?? ????? ???????
    ???????
  • AI F

12
  • ?????? ????? ??????? ??????? ???? ????? ?????
    ?????? ????? ???????? ?????? ????????
  • -I1 ?1 I2 ?1 - I3 ?1 0 0 0 0
  • I1 ?1 0 0 I4 ?1 0 - I6 ?1 0
  • 0 0 I3 ?1 0 I5 ?1 I6 ?1 0
  • I1R1 I2R2 0 I4R4 0 0 E1 E2
    E4
  • 0 I2R2 - I3R3 0 I5R5 0 E2 - E3
  • 0 0 0 I4R4 I5R5 I6R6 E4 E5

13
  • ????? ???????? ????????? ?? ????? ?????? ??????


????? ????? ???????? ??????? ????? "MATLAB"
R-1 1 -1 0 0 0,1 0 0 1 0 -1,0 0 1 0 -1 1,
R1 R2 0 -R4 0 0,0 -R2 -R3 0 -R5 0,0 0 0
R4 R5 R6 E0,0,0,E1-E2-E4,E2-E3,E4E5
IR\E


14
????? ????? ???????? ??????? ????? "MATCAD"
15
??????? ????
D ? 0
16
??? ?????? ?????? ?????????

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