Bài giảng Electrical and electronic principles: Chương 3 - ThS. Ngô Quốc Cường

Bài giảng Electrical and electronic principles - Chương 3 gồm có những nội dung chính sau: T, Y, delta networks; network of complex impedance; maximum power transfer. Mời các bạn cùng tham khảo để biết thêm chi tiết.

TRƯỜNG ĐẠI HỌC SƯ PHẠM KỸ THUẬT TP HỒ CHÍ MINH ELECTRICAL AND ELECTRONIC PRINCIPLES WEEK Cuong Q Ngo Last classes • Branch; node; loop • KCL • KVL • Methods of analysis • Thevenin’s theorem • Norton theorem CONTENTS (Today) • T, 𝜋, Y, delta networks • Network of complex impedance • Maximum power transfer T, 𝜋, Y, delta networks • Two forms of the same network – Y, T • Two forms of the same network – ∆, 𝜋 T, 𝜋, Y, delta networks • Delta to Wye conversion T, 𝜋, Y, delta networks • Wye to Delta conversion T, 𝜋, Y, delta networks • Convert the network in the figure below to an equivalent Y network T, 𝜋, Y, delta networks • Answer T, 𝜋, Y, delta networks • Transfer the wye network to delta network T, 𝜋, Y, delta networks • Answer 10 Network of complex impedance 16 Network of complex impedance • The impedance Z of a circuit is the ratio of the phasor voltage V to the phasor current I, measured in ohms • The admittance Y is the reciprocal of impedance, measured in siemens (S) 17 Network of complex impedance • Find v(t) and i(t) in the circuit 18 Network of complex impedance • Answer 19 Network of complex impedance • Exercise 2.1 • Find the input impedance of the circuit Assume that the circuit operates at 𝜔 = 50 𝑟𝑎𝑑/𝑠 20 Network of complex impedance • Answer 21 Network of complex impedance • Exercise 2.2 • Determine vo(t) of the circuit 22 Network of complex impedance • Answer 23 Network of complex impedance • Steady state analysis – Mesh analysis – Thevenin and Norton equivalent circuit 24 Network of complex impedance • Exercise 2.3 • Find Io using mesh analysis 25 Network of complex impedance • Answer: 26 Network of complex impedance • Exercise 2.4 • Solve for Vo using mesh analysis 27 Network of complex impedance • Answer 28 Network of complex impedance • Exercise 2.5 • Obtain the Thevenin equivalent circuit at terminal a-b 29 Network of complex impedance • Answer 30 ... for the circuit in Figure below and use it to find current i 11 T,