. . , .., , , , . .

, , , . . , . , , .. - .

, / .

. . . . , , , . .


- .

sac_10_1.gif

, , , . 1 ), 0 > R > .

R L, .. u = uR+uL = Ri + Ldi/dt

U = UR + UL = RI + jw LI = RI + jXLI.

(1)

(1) ,

, , U (. 1 )). (1) R UR UL U . , , , . UR UL 90 , 180 , .. , U. , UR , UL U , UR R.

, - , .

UR UL I , UR . I, (1), UR , UL U R jXL. , I. R , .. jXL. U/XL j - 90 (. 1 )). I. , R = 0 90 U/XL. R .


.

, - .

sac_10_2.gif

I U=const - > B > + , G . 0 < w < .

, I=GU, I=jBU, .. , , , .. U, I 90 - j. I = I+ I, , U G, (. 2 )) . - < | I| < + I ^ I , , U . I I U I.


, .

. 3.

, .. , , , . .

I5 , . 3. I5 C2, b c . Ubc=UC2. 90 , , Ubc I5 , .. .

b c C2 , r L. - φ, w L r. I4 r-L . 3 90 , Ubc , . I4 . r I4, L - I4 90, Ur UL Ubc. Ur UL, , Ubc I4. , I4 , Ur, - UL.

b I3 = I4 + I5, I4 I5 I3, R . 3. UR = Uab, , , , I3.

Uac Uac = Uab+ Ubc = U. , U Uab Ubc . 3. Uac= U1. , C1 Uac 90° , Uac .

a I1 = I2 + I3. I1 I2 I3.

     

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