Mastering Engineering with Pearson eText -- Standalone Access Card -- for Electrical Engineering: Principles & Applications
7th Edition
ISBN: 9780134486970
Author: Allan R. Hambley
Publisher: PEARSON
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Q3.
a) For the circuit shown in figure 3, use nodal analysis to obtain a
complete set of circuit equations, presenting your answer in
matrix form. Compute the potential across and the current flowing
through the ZL element, given:
IS = 12sin(wt) A, R1 = 30, R2 = 50, L1 = j4 Q, L2 = j10 Q
and ZL = (2+2)
b)
IS
R1
L2
Figure 3
w
R2
ZL
Using equations and text, define the two-port impedance
parameters.
Q3.
The circuit to study is shown in figure below, where
V1 10040° V, V2=50260° V, and
R₁ =3Q, R₂ = 502, R3 = 2, R450, Rs 50, Ls = 12.8 mH. Ls = 6.4 mH,C2 796μF and
C3 =796µF . assume f=50Hz
V1
R1
R3
03
R2
R4
C2
RE
L5
Vx
a)
Apply the mesh current method to obtain a complete set of circuit equations,
presenting your answer in matrix form;
b) Compute the potential across and the current flowing through the L6 elements.
a single circuit 50hz transmission line is 362 km long. the load is125mw at 200kv with 100% power factor. 1. evaluate the incident and reflected voltages at the receiving end of the line and at the sending end of the line. 2. determine the line voltage at the sending end from the incident and reflected voltages. 3. computer the wavelength and velocity of propagation. parameters of the line are r = 0.1069 ohms/km. l=1.355mh/km c=8.452nf/km g=0
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