ТЕПЛОВАЯ МОДЕЛЬ СИЛОВОГО СУХОГО ТРАНСФОРМАТОРА

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  • 105

    621.314.221

    . . , . . . . ,

    [1][3].

    - . - . . , , [4].

    [5] (, , , ). , [5] - , . . [4].

    ( ) . , - , -. , - , .

    - , .

    (. 1).

  • . . . 2 2009 106

    . 1.

    - , . .

    , , .

    (, , , ) . - . 1 .

    [2] , n- . - :

    ( ) ( ) ( ) ( )

    ( ) ( ) ( ) ( )

    ( ) ( ) ( ) ( )

    ( ) ( ) ( ) ( )

    ( ) ( ) ( ) ( )

    =++++

    =++++

    =++++

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    ,

    ;

    ;

    ;

    ;

    4343,4242,4141,4040,44

    4

    3434,3232,3131,3030,33

    3

    2424,2323,2121,2020,22

    2

    1414,1313,1212,1010,11

    1

    0404,0303,0202,0101,00

    0

    PAAAAdt

    d

    PAAAAdt

    d

    PAAAAdt

    d

    PAAAAdtd

    PAAAAdt

    d

    (1)

    0, 1, 2, 3, 4, 5 (0 , 1 , 2 , 3 , 4 ); Ai,k (/); i (/); i (); Pi ( ) ().

  • 107

    , , , - , - , :

    .03,42,40,44,31,30,34,20,23,14,03,02,0 ============ AAAAAAAAAAAA (2)

    :

    1,44,1

    111

    AAR == ;

    2,33,22

    11AA

    R == ; 1,22,1

    311

    AAR == ;

    1,00,14

    11AA

    R == , (3)

    R1 ; R2 ; R3 ; R4 - .

    :

    0 PP = ; 01 =P ; 02 =P ; ( )23 KPPP == ; 4 PP = , (4)

    P ; P1 - ; P2 -; P ; K -; P ; P .

    , [3], :

    000 =dt

    d . (5)

    [2], [3] 0 , 1 , 2 , 3 , 4 . , (1)(5) :

    ( ) ( ) ( )

    ( ) ( ) ( ) ( ) ( ) ( ) ( )

    ( ) ( ) ( ) ( ) ( )

    ( ) ( )( )

    ( ) ( ) ( ) ( )

    =

    +

    =

    +

    =

    +

    +

    =

    +

    +

    +

    =

    .1

    ;2

    ;023

    ;0134

    ;4

    c

    4

    2

    3

    2

    1

    tPR

    ttdt

    td

    tKPRdt

    td

    Rtt

    Rtt

    dttd

    Rtt

    Rtt

    Rtt

    dttd

    tPR

    tt

    (6)

    (6) , - (. 2).

  • . . . 2 2009 108

    P P

    1 234

    R1 R2R3

    R4

    P

    R3R1

    R4 C1 C4 C3 C2

    P P P

    R2

    . 2.

    (. 2) - , , - , .

    (. 2) - (p), (p), (p) (p).

    ( ) ( ) ( ) ( )( )( ) ( )( )( )

    ( ) ( )( ) ( )( )( )( ) ,

    111

    1111

    323322321222134

    44123444122334

    pHpTpTpTTTpTTpRP

    pHpTpTRRpTRpTpTPRPp

    ++++++++

    ++++++++

    =

    ( ) ( ) ( ) ( )( ) ( )( )( )

    ( )( )( ) ( ),

    )(11

    )(1111

    1143321314

    23432334411

    pHpTRPpTTTpRP

    pHpTRRRpTpTpTPp

    ++++++

    +++++++

    =

    ( )( ) ( )( )( )

    ( ) ( )( ) ,)(

    11)(1)(

    111)(

    2211224

    3111444113

    pHpTpTppTRP

    pHTTpRpTpTRPp

    +++++

    ++++++

    =

    ( ) ( ) ( )( )( )

    ( ) ( )( )( ) ( )( )( ) ,

    1111)(

    111

    1132332211

    3322324114

    pHpTpTpTpTpTp

    pHpTpTpTRPpTRPp

    ++++++

    ++++++

    =

    ( ) 14322314 ++++= pTTTTpTTpTTppH , (11)

    443322111 TTTTTT = ,

    ( )( ) ( ) 4322113322411144321122113311222 TTTTTTTTTTTTTTTTT ++++++= ,

    (7)

    (8)

    (9)

    (10)

  • 109

    ( ) ( ) ( )

    ( ) ,41324331224341111132434233112244322211333

    TTTTTTTTTTTTTTTTTTTTTT

    ++++++++++++++=

    41443242112233434 TTTTTTTTTT +++++++= ,

    ============

    ====

    .,,,,,,,,,,,

    ,,,,

    4444344324421441

    4334333323321331

    4224322322221221

    4114311321121111

    CRTCRTCRTCRTCRTCRTCRTCRTCRTCRTCRTCRT

    CRTCRTCRTCRT

    (13)

    (7)(10), . - , , . . :

    pPpP )(

    = ;

    pPpP )(

    = . (14)

    (P = 0) - (t) (t) :

    ( ) ( ) ( ) ( ) ( )==

    ++++=3

    012

    3

    011441 expexp

    iii

    iii tpptppRPRRP , (15)

    ( ) ( ) ( ) ( ) ( )==

    +++++=3

    022

    3

    0214432 expexp

    iii

    iii tpptppRPRRRP , (16)

    ( ) ( ) ( ) ( ) ( )==

    ++++=3

    032

    3

    031443 expexp

    iii

    iii tpptppRPRRP , (17)

    ( ) ( ) ( ) ( )==

    +++=3

    042

    3

    04144 expexp

    iii

    iii tpptppRPRP , (18)

    ( ) ( )4322124

    11 234 TTTTpTTpTTppPRp

    iiiii +++

    = , (19)

    ( ) ( ) ( )( )( )( )( )

    ( ) ( )( ) ( )( )( ) .234

    234

    4322

    12

    41312144332243322131232

    4322

    12

    2443121332244223342233134433122

    3

    12

    TTTTpTTpTTppRRpRTRTTTRTTTTTP

    TTTTpTTpTTpppTRTRTTTTTRTTTTTRTpPp

    iiii

    i

    iiii

    iii

    +++++++++++++

    +

    ++++

    ++++++=

    ( ) ( )4322124

    21 234 TTTTpTTpTTppPRp

    iiiii +++

    = , (20)

    (12)

  • . . . 2 2009 110

    ( ) ( ) ( )( )( )( )( )( ) ( ) ( )( ) ( )( )

    ( ) ,234

    234

    4322

    12

    432244113334411411232131

    4322

    12

    244311244333344114332123114433211

    3

    22

    TTTTpTTpTTppRRRpRTTTRTTRTTTTP

    TTTTpTTpTTpppTRTRTTTTTRTTTTTTRTpPp

    iiii

    i

    iiii

    iii

    ++++++++++++++

    +

    ++++

    ++++++=

    ( ) ( )( )432212422

    31 2341

    TTTTpTTpTTppPRpTp

    iiii

    ii +++

    += , (21)

    ( ) ( ) ( )( ) ( )( )( )4322124433441143111

    244311

    32 234 TTTTpTTpTTppPRRRpRTTRTTpTRTp

    iiii

    iii +++

    ++++++= .

    ( ) ( )( )( )4322124

    23322223233

    41 2341

    TTTTpTTpTTppPRpTTpTTTp

    iiii

    iii +++

    ++++= , (22)

    ( ) ( )( )432212411

    42 2341

    TTTTpTTpTTppPRpTp

    iiii

    ii +++

    += ,

    pi . (. 2) -

    . - (. 2) (. 3).

    P P

    R1 R2R3

    R4

    P

    R3R1

    R4

    P P

    P

    R2

    . 3.

    , c, , , , :

    xx

    1 P

    R

    = ,

    2 P

    R

    = ,

    3 P

    R

    = ,

    3 PP

    R+

    = . (23)

    P P . :

    1 G = , 2 G = , 3 G = , ,4 G = (24)

  • 111

    ,

    ,

    ,

    , , ;

    G ,

    G ,

    G ,

    G , , .

    , - - -0,4/0,38. (. 4).

    . 4 , , -, , - . , . 4, - 1,9 2,4 %.

    0

    5

    10

    15

    20

    25

    30

    35

    0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120

    t,

    .

    t, . 4. ,

    ,

    (6)

    , . . : , , , - .

    , . . - , - .

    (. 4) = 2,4 %.

    1. . : 14209-85. : . . , 1987.

  • . . . 2 2009 112

    2. , . / . . : -, 1980.

    3. , . . / . . // . . . . - . . , 2004. 5. . 4247.

    4. : 30221-97. : . , 2005.

    5. , . . . -: : . .-. . / . . , . . . , 2008. . 8485.

    19.11.2008 .

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