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(1)

(1) , .

: Z1 = jw L1; Z21 = R1; Z22 = - j/(w C); Z3 = R2; Z41 = R3; Z42 = jw L2; Z1 = R4 . . 1 ). . Z2 = R1- j/(w C) Z4 = R3+jw L2, R1-C R3-L2 , , - . , . 1 ).

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(2)

, , ,

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(3)

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(4)

, . , , e = 100sin(1000t-27 ) ; R1 = 20 ; R2 = 15 ; R3 = 30 ; R4 = 25 ; L1 = 10 ; L2 = 50 ; C = 50 . Z1 = j10 ; Z2 = 20- j20 ; Z3 = 15 ; Z4 = 30+j50 ; Z5 = 25 ; Em = 100e- j27 .

(2) : I1m = 5.96e- j40.4 ; I2m = 3.67e- j16 ; I3m = 3.03e- j70.5 ; I4m = 1.02e- j112.7 ; I5m = 2.38e- j53.7 . . image241.gif , , : i1 = 4.67sin(1000t - 67.4 ) ; i2 = 2.87sin(1000t - 43 ) ; i3 = 2.37sin(1000t - 97 ) ; i4 = 0.8sin(1000t - 139 ) ; i5 = 1.86sin(1000t - 80 ) .


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a c . 1 ), . . 1 ) 2 ). Z4Ù Z5Þ Z45= Z4 Z5/( Z4+ Z5)=18.7+j5.65 ; Z45Ù Z3Þ Z345= Z45+ Z3=33.7+j5.65 ; Z345Ù Z2Þ Z2345= Z345 Z2/( Z345+ Z2)=16.3- j6.1 (. 2 )-)), , Z1-Z2345-E.

. 2 ) I1m = Em/(Z1+Z2345)=100e- j27/(16.3+j3.9) = 5.96e- j40.4 . , I1m . Uacm= I1m Z2345=103.8e- j61  uac = 103.8sin(1000t - 61 ) .

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