( ). - L¹0.
. 5.19. L. :
, (5.23)
w:
(*)
. (**)
. 5.19. -
U¢ .. (**) (. 5.20,), - ( > 0), ( < 0) . = 0, , (**) -.
i , ( = 0), ( > 0, ). ( . 5.20) , . ; (*) , > = 0. , .. , L, . (*): , U¢, , U. b , = w, b i = 0 L , w >w0 e > U, .. .
bc e > U , , , . = 0, L , i ¹ 0 M ¹ 0. d, .
0abcd... w0 w M -. w(t), i(t) M(t) . 5.20,.
) )
. 5.20. - () L ¹ 0 ()
, .
R , w0, . R , w . , , R , , L 0, R w > w0 i = 0. -.
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1 + + 2 = 0 (D)
p1, p2
=
.
.. < 4,
;
.. ³ 4,
.
.8.6. - - -
31
. - . - . . . , . . -. . . -. -. . . - . ..
/i ii - -/ - :
1. . :
, (ҭ̭ = 0,110 ).
2. - - :
, (ҭ = 0,010,08 )
, (ҭ ҭ ).
3. , , .. , . , (ҭ = 103 ).
(teoriya_elektroprivoda_2 292) , -, = 0. = 0 - . ,
. (5)
. 4.23.
. 4.23. - () - = 0 ()
. 4.23, , , ,
= = . . = const, , . 4.23, . - - . .
ҭ ҭ . .1 ҭ̭ > 4ҭ. -.
) )
. 1 - , : a) ҭ̭ > 4ҭ, ) ҭ̭ < 4ҭ߭
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.
ҭ̭ = 4ҭ t = (3÷4)
ҭ̭ < 4ҭ߭ .
-. - -, , - , (. 4.24,). ,
1, ( 1). , 1,
2 . . - -
,
i- -.
. 4.24 - -
( 58) -
,
1 (/),
2 .
- R R2 . , . 4.24.
-, - . = const, , =f(t) (5) . -, , . 4.25,. 1 -, - ; , - , . u , (- 2). - (5).
:
(5) = -1
, =f(t), , . 4.25, 1 2. , . = 0, -, . , -, = 0 .
(. 4.25,). = 0 , , M(t) . 4.25,6. , (5) ( = 0; ), (= -; = - ):
, =f(t) . 4.25, 3 4. ,
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-. , =f(t) = 0, . 4.25, ( 3 4).
= 0 . (. . 3.8, ), . , 1.
- . 4.26. - , . . 4.26,5,
, .
3.8 ,
. 4.26 () ()
. - . (.. -). -, .
2. ; .
(. 5.7,) . .. 3.2, 3.4. , . ( w3, w1) ( w4), , w() w() .
) )
. 5.7. () ()
:
I 0< w < w3 ( );
II w3 < w < w1 ( );
III w1 > w > w4 ( );
IV w4 < w < 0 ( ).
(5.10), (w) ; IV , = 0 = const, , . ), .. (5.2).
, (5.10) (5.2), , t = 0, , . , , ; , .
, (5.10) (5.2), .
w() . , , , , , . w() w = const. w(), .
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w (5.10) w() w(), , .