Fan nomi: Elektronika va sxemalar 1 Fakultet

Muhammad al-Xorazmiy nomidagi Toshkent Axborot Texnologiyalari Universiteti
Urganch filiali

MUSTAQIL ISH

Fan nomi: Elektronika va sxemalar 1
Fakultet: Telekomunikatsiya Texnologiyalari
Guruh: 941-21 Bajardi: Ollaberganov Mirzoxid Tekshirdi: Ismoilov Shukurulloh

“Elektronika va sxemalar 1” fanidan 2-mustaqil ish topshiriqlari Sinusoidal elektr tok zanjirlarini hisoblash
Sxemalari 4.1-4.50 - rasmlarda ko'rsatilgan elektr zanjirlarini 4.1-jadvalda ko'rsatilgan EYuK, qarshiliklar, induktivliklar, sig’imlar va chastotalar qiymatlari uchun zanjirning xar bir tarmog’idagi tokning kompleks qiymatlarini hisoblang.


𝐸 = 100 𝑉 𝑓=50 𝐻_𝑧
^𝐶3 ^{=300 𝑀𝑘𝐹 𝐿}1 <sup>= 15.9 𝑚𝐻

E

Z</sup>₁

Z₂


Z₃
^𝐿1 ^{= 115 𝑚𝐻 𝑅}2 ^{= 10 Ω 𝑅}3 ^{= 10 Ω
Z = R+i*(X}L^-XC<sup>)


Z</sup>1 ^{= R}1^+i*2*π*f*L1 ^{= 4.9926i
Z}2 ^{= R}2^{= 10
Z}3 ^{= (-i/(2*π*f*C}3^{))+((R3*i*2*π*f*L}3^{)/( R3+i*2*π*f*L}3^))
Z3 ^{= -10.6157i+361.1i/(10+36.11i) = 4.5463 – 16.4168i
Z}2,3 ^{= (10*(4.5463 – 16.4168i))/(10+4.5463 – 16.4168i)
Z}2,3 <sup>= 6.9764 – 3.4123i

Z = Z</sup>1^+Z2,3 ^{= 4.9926i+6.9764 – 3.4123i = 6.9764 + 1.5803i}
𝑍 = √^6.97642 + ^1.58032 = 8.5567 Ω


^1.5803



Φ


^6.9764


Φ = arctg(^1.5803/^6.9764) = 12.76 ᵒ

^I₃

^I₁

^I₂

^E

^Z₁

Z₂

Z₃

^I1 ^{= E/Z = 100/}8.5567 ^{= 11.6867 A
U}2,3 ^{= U}2 ^{= U}3 ^{= Z}2,3^{* I}1 <sup>= (6.9764 – 3.4123i) * 11.6867 = 83.5110-39.8785i


I</sup>2 ^{= U2/Z2= (83.5110-39.8785i)/10 = 8.35110-3.98785i
I}2 <sup>=√8.35112+3.98782 = 9.2544 A


I</sup>3 ^{= U3/Z3= (83.5110-39.8785i)/( 4.5463 – 16.4168i) = 3.5644+4.0998i
I}3 ^{=√3.56442 + 4.09982 = 5.4326 A}