Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN: 9781305632134
Author: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 8.16MCQ
For a balanced-Y impedance load with per-phase impedance of ZY and a neutral impedance Zn, the zero-sequence voltage V0=Z0I0, where Z0=_________.
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Problem 3
(a) Consider
x[n]
=
{
0,
1, 0 ≤ n ≤N-1
otherwise
_and_h[n] = {
1, 0 ≤ n ≤M-1
0, otherwise
with N > M. Plot the sequence y[n] = x[n] × h[n]. Make sure to specify the amplitude values
*
and time indices n of y[n] where y[n] is constant.
(b) Express the number L of samples of y[n] that are non-zero in terms of M and N.
(c) Consider
x'[n]
=
{
0,
1, N₁ ≤ n ≤ N₂
otherwise
1, M₁n M₂
and h'[n] =
=
0, otherwise
',
and assume that №2 - N₁ = N-1 and M2 - M₁
=
x'[n] h'[n] is equal to a shifted version of y[n]. What is the value of the shift?
-
= M 1. Show that the sequence y'[n]
=
Home Work
Calculate I, and I2 in the two-port of Fig. below
20
211=602
2/30° V
V₁
%12=-142
721=-j4 2
Z22=82
+
V₂
94
HW-2: Consider the loop of Figure below. If B = 0.5az Wb/m2, R = 20 2,
e = 10 cm, and the rod is moving with a constant velocity of 8ax m/s, find
(a) The induced emf in the rod (b) The current through the resistor
y
I
00
121
&
B (in)
60
Answer: (a) 0.4 V, (b) 20 mA
&
Chapter 8 Solutions
Power System Analysis and Design (MindTap Course List)
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