Общая электротехника и электроника. Часть 1: Руководство к лабораторным работам

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  • 1

    201300 "

    "

    - 2004

  • 621.396.61(075) 72.4(2) 28

    :

    .. , ,

    :

    .. , ,

    .. ,

    .. ,

    28 . . 1. 201300 - / . .. , .. . -: , 2004. 42 .

    -

    - 201300 - .

    - - ( 1 25 2003 .).

    621.396.61(075) 72.4(2)

    2 , 2004

  • 1.

    .. 4

    2. .. 13

    3. ... 20

    4. . 27

    5. . 34

    .... 42 3

  • 1

    : , - . .

    - 1. 1 . 2. 7-38 2 3. 1 . 4. .

    - , - - . - . - - -. -. - . : - :

    1. - ;

    2. - ;

    4

  • 3. ; 4. - .

    - : -, -, - . - : ; - :

    1. , 2. , 3. , 4. .

    : -, , , .

    - . -, , . - , - , (0,10,5) . - . - . ... . - . .

    .1 : ) .

    ) . ) .

    5

  • 1. ... :

    .; 2211 dtdW

    dtdW ==

    1 2 - ... . W1 W2 - . , - . 2. ...

    max1max1max1

    1 44,422

    2fWWf

    WE ===

    ,

    max2max2max2

    2 44,422

    2fWWfWE === ,

    : 11 UE 22 UE

    3. :

    2

    1

    2

    1

    2

    1

    WW

    UU

    EEK === ,

    4. :

    I1U1 = I2U2, 1

    2

    2

    1

    II

    UU

    = 1

    2

    IIK = I2 = K I1.

    -

    , , -. , :

    0 = U1I0 cos1,

    6

  • : U1 - -; I0 - ; cos1 - . :

    0 = I02r1 + + .,

    : I0 - , r1 . I02r1 ( ) 0,050,1 .. . , . , = (0.150,2) .

    = 1 Gf

    50 ,

    Gc (). = 1 1 (). - , , : f = 50 , = 1,25; 1,2 = 2 . K1B2max K22max K3E12 K4U12 . - 1 2 3 4 .. - . - , - . - .

    7

  • .2 .

    r1 . 1 = L1 . R - , ; .

    0

    1

    IU

    = Z 0 = Z1 + Z = (r1 +jx1) + (r +jx) = r0 + jx0 ;

    r0 = r1 + r; x0 = x1 + x.

    1. . 3 (W) -

    ( . 3). 7-38 1 2 -

    ( - 0,2) , U - .

    7-38 2 ( - , U - ).

    .

    8

  • .3

    1. 220 f = 50 1, 2, , U1 = 0, (w) = 0, I0 = 0. 2. U1 ( ) , . 1, - : 0 , U2 , I0 . .1.

    1

    U1, 0 30 50 80 140 170 200 230

    I0, 0 U2,

    3. : r0 , Z0, x0 , cos, K . 2.

    9

  • ) r0 = r1 + r = )()()(

    20

    I

    .

    ) Z0 = r0 + jX0 = )()()(

    0

    1 U

    =

    ) 0 = 2 + = )(2020 rZ

    ) cos = 01

    0

    U

    ) = 2

    1

    UU

    -

    : r1 . r - . x1 . x .

    2

    U1 ()

    0 30,0 50,0 80,0 140,0 170,0 200,0 230,0

    r0 ()

    ..

    Z0

    ()

    X0 ()

    Cos K

    4. P0 = f(U1); I0 = f(U1) ; cos = f(U1) ; Z0 = f(U1) .

    5. - . 2-

    . .:

    100111 rIIjXEU ++=

    10

  • 4.

    - (max);

    - );jX+ I0 I0 r, .. r1

  • 1. . 2. . 3. . 4. 1, 2 . 5. : P0 = f(U1); I0 = f(U1) cos = f(U1) Z0

    = f(U1) 6.

    . 7. .

    1. -

    . 2. -

    . 3. : -

    ? 4. , -

    -.

    5. ()?

    12

  • 2

    : ( ). , ( )

    -

    1 2 7-38 - 2 3 (15 ) 4 .

    (..) - - ( -) : - ; - ; - . , , - , , - U1(), - , :

    Z.. = Z 1+ Z2 , : Z 1 = r1 + j x1, Z2 = r2 + j x2. r2 = r2K2 , x2 = x2K2,

    13

  • 2

    1

    UU = .

    , . - :

    ..

    1..

    Z

    UI = .

    : I() (5-7%) , .. I() ..Z.. = (0,05- 0,07)U1()

    I()[(r1 + r2) + J(x1 + x2)] = (0,05 0,07)U1(), , , ..

    ( ) ( )

    ( ) ( )( )1420

    07,005,011

    ..

    1.. =

    ==

    UU

    ZIU

    II

    .

    , .. () :

    = I2.. r.. r.. = r1+ r2 = r1 + r2 K2. r1 r2 . , , I..= 20 I(), 400 , . , , -, , - , - - .

    14

  • -. , - 1, 2.

    1

    2

    Z 1 = r1 + jx1; Z2 = r2 + jx2; Z3 = r + jx.

    /2

    /2

    1 ZZZZZZ

    +

    += ,

    , I > Z 2

    Z(..) Z 1 + Z2. , 3.

    15

  • . 3 .

    : - = I02 r ( - - .)

    20Ir

    = .

    - -:

    0

    1

    IUZ = ,

    22 rZ = ,

    - .

    01

    cosIU

    P

    = ,

    -.

    %1001

    ..1..

    U

    UU = ,

    U1.. - , . . 4

    16

  • . 4 .

    : jI1(x1 + x2) = jI0 x.

    I1 = I2 = I0.

    I1 r1 + I2 r2 = I0 r.

    ( ) ( ) XIrIU += 020..1 .. - .. .

    1 . - , .5. - 3 (W) . - 1 2 7-38 ( ) - (

    2). - , -

    - ( )

    17

  • 2 - - 220 50

    1 2. , I0 = 0 (w) = 0.

    - U1 ( -) - , .1, - 0 I0.

    - .1.

    1 U1

    5,0 10,0 15,0 20,0 25,0 30,0 35,0 ..

    I0() 0()

    U1(vax) (10-15)% U1() = 220 .. U1 I0 -. - -

    . . 2.

    ) )(0

    )(021

    I

    Prrr

    =+= , . 222 rr =

    ) ( )0

    1

    IUXjrZ === , .

    222 XX =

    : 2

    1

    2

    1

    WW

    UU == ,

    W1 W2 .

    ) 22 rZX = .

    18

  • ) 01

    0cosIU

    Pk

    =

    01

    0cosIU

    =

    ) %1001

    ..1.. = U

    UU

    ( )%100

    1

    ..1..

    U

    UU =

    2

    U1 ()

    5,0 10,0 15,0 20,0 25,0 30,0 35,0

    .. R() Z() () s

    - :

    I 0= f(U1); 0 = f(U1); cos = f(U1). - . -.

    1. 2. 3.

    . 4. 1, 2 . 5. : I 0= f(U1); 0 = f(U1); cos = f(U1). .

    1. . 2. .

    19

    3. .

  • 3

    -

    :

    - .

    - 1. . 2. 7-38. 3. ( ). 4. 1 5 .

    , (-

    ), , , .

    ... () - - , - .

    , - , , .

    , - - .

    20

  • - (I1 , I2 ..).

    :

    ... .

    - ( - ) - ... , .

    .

    , , - .

    , .

    - , .

    .

    - .

    : E1 = 5,0 B; E2 = 10,0 B; R1 = 0,2 ; R2 = 0,47 ; R3 = 0,27; R4 = 0,2 R5 = 0,2 . : I1, I2,I3, I4, I5

    21

  • .1.

    1. I1,

    I2, I3 ,

    +=

    ++=

    +=

    5'352

    '22

    5'24

    '1543

    '3

    4'341

    '11

    )(

    )(0

    )(

    RIRRIE

    RIRIRRRI

    RIRRIE

    =+

    =+

    =+

    102,067,00

    067,02,02,0

    52,004,0

    '3

    '2

    '1

    '3

    '2

    '1

    '3

    '2

    '1

    III

    III

    III

    2. :

    ) )(02/1213672,0645,1'1

    1 II =

    =

    =

    22

  • : 13672,02,067,00

    67,02,02,02,004,0

    =

    =

    645,12,067,010

    67,02,002,005

    1 =

    =I

    ) 21,1513676,0

    08,2'2'2 =

    =

    =II

    : 08,22,0100

    67,002,02,054,0

    2 =

    == I

    ) 95,013676,0

    13,0'3'3 =

    =

    =II

    : 13,01067,0002,02,0504,0

    '3 =

    =I

    3. .

    I2 I3 , I1

    I1 .

    4. :

    ) I1 = I1 =12,02 I1

    ) I2 = I2 = 15,21 I2

    ) I3 = I3 = 0,95 I3

    ) I4 =I1 + I3 = 12,95 I1 ,I3 ) I5 =I2 I3 = 14,26 I2

    23

  • 5. -

    18,2122,212

    67,4064,3324,073,1089,282,212

    2,026,1427,095,047,021,152,002,1221,151002,125

    22

    22

    5254

    243

    232

    221

    2121

    ++++=

    +

    ++=+

    ++++=+ RIRIRIRIRIPP

    : P1 = E1 I1; P2 = E2 I2 , -

    .

    1. (. 1) . - . 1.

    (, - I 0, II-0, III-0) - ( 1 5).

    , - , . 2.

    24

    2. ( , ).

  • . 2 .

    - 3, 4; 9, 10 - 1 = 5,0 ; 2 = 15