.
Z=C1 ώ 2/ ώ-p 1 2,
V1- , 1- . p 1=2πV 1/Lp=2πn= ώ; V1=Lpn, /; n- , c -1 n= . V> V1, 1- . , , , . (p1=ώ) =Ntcos(ώt+ φ1); =Ncos(ώt+ φ1)-Ntώsin(ώt+ φ1);
= -Nώsin(ώt+φ1) - Nώsin(ώt+ φ1) - Nt cos(ώt+ φ1); N , . : -Nώsin(ώt+ φ1) - Nώsin(ώt+ φ1) - Nt cos(ώt+ φ1)+ Nt cos(ώt+ φ1)= N=- ώC1 /2; = =- ώC1 /2 tcos(ώt+ φ1); Z=E sin(ώt+φ) - ώC1/2 tcos(ώt+φ1) () t, .
= = =const. .
( - ) ( ). ∆Z= 4f= 4 φf, f- , f = F/; φ , φ= F/P; P- ; f- .
; φ≥ ; F≥ .
38. . .
, . , , , , . , . F, . , . - , , . -, , , , - . .
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, - - - , . .
F > P1 (tgβ + )/(1 - tgβ) + P2 (0)
, . N P2 . . - :
F ≥ P1 (tgβ - )/(1 + tgβ) P2 (1)
( P1 = 0,6P, P2 = 0,4P, β = 60˚, = 0,3) - (1) - F ≥ 0,45P.
, - . .
, (1) t, . . -, . , h / tgβ, v tgα ( v ):
t > t ≈ h /(vtgαtgβ) (2)
h = 18 , v = 30 / (108 /), tgα = 0,02, β = 60˚ t - (2) 0,017 . , - - - t -. . - . . . . .
, . , - . (1) (2) - . (1) - ( ) (0). , . - ( , - , , - ).
, . . (1), :
(F + P2 / P1) = tgβ - / 1+ tgβ, (3)
[(F+P2) / P1] , .
[(F+P2) / P1] , . 11 :
Ky = (F + P2 / P1): (F+P2 / P1) = tgβ - / 1+ tgβ(P1/F + P2) (4)
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, . , (0) (1) α.
, . .