Problem 1. Problem 5.1 An ideal single phase transformer has a voltage gain of 10. The secondary is
terminated in a load impedance of ZL=30+j40ohms.
a. find the primary driving point impedance, i.e., the input impedance of the transformer-load pair as
see
EE 295 - Homework 5 solutions
April 28, 2010
1
Readings
1. Chapters 8 and 9 of Bergen & Vittal
2
2.1
From the textbook (Bergen/Vittal)
Problem 8.2.
To solve this problem we will want to follow the proceedure in example 8.1 (p.279). Ultimately
we need to n
EE 295 - Homework 5
March 15, 2010
1
Readings
1. Chapters 8 and 9 of Bergen & Vittal
2
From the textbook (Bergen/Vittal)
2.1
Problem 8.2
2.2
Problem 8.4
1
In Chapter 5 of the course textbook by Bergen and Vittal, do the following problems:
Problem 1. Problem 3.1 (a.k.a. 23.1) on page 86.
Suppose that a 60 Hz single phase power line and an open wire telephone line are parallel to
each other and in the same h
EE 295 - Homework 4 Solutions
March 3, 2010
1
Readings
1. Chapters 6, 7 and 8 of Bergen & Vittal
2
2.1
From the textbook (Bergen/Vittal)
Problem 6.1
1
2.2
Problem 6.6
Note that this problem will require you do two plots. Please do this electronically (mat
EE 295 - Homework 4
February 24, 2010
1
Readings
1. Chapters 6, 7 and 8 of Bergen & Vittal
2
From the textbook (Bergen/Vittal)
2.1
Problem 6.1
2.2
Problem 6.6
Note that this problem will require you do two plots. Please do this electronically (matlab or e
EE 295 - Homework 3. Solutions
March 3, 2010
1
Readings
1. Chapters 5, 6 and 7 of Bergen & Vittal
2
2.1
From the textbook (Bergen/Vittal)
Problem 5.5
In this problem the feeder is a long medium voltage line (24kV), with ZF = 50 + j 400 feeding a stepdown
EE 295 - Homework 3
February 18, 2010
1
Readings
1. Chapters 5, 6 and 7 of Bergen & Vittal
2
From the textbook (Bergen/Vittal)
2.1
Problem 5.5
2.2
Problem 5.11
2.3
Problem 5.19
2.4
(Extra credit) Problem 5.20
3
Group problem
Begin work on design exercise
EE 295 - Homework 2 Solutions
March 1, 2010
1
Readings
1. Chapters 3-4 of Bergen & Vittal
2
2.1
From the textbook (Bergen/Vittal)
Problem 3.8
Aluminum 52,620 ccmil conductor w/7 strands, each with d = 0.0867 in. Outside diamter is:
D = 0.2601 in. Find GMR
EE 295 - Homework 2
January 27, 2010
1
Readings
1. Chapters 3-4 of Bergen & Vittal
2
From the textbook (Bergen/Vittal)
2.1
Problem 3.8
2.2
Problem 3.10
2.3
Problem 3.15
2.4
Problem 3.21
2.5
Problem 4.8, 4.9, 4.10
2.6
Problem 4.27
3
Computer project (group
Problem 1. (Problem 2.1 on page 47 of the text.) In Figure 2.1,
2 120 cos( t + 30 deg)
v( t) =
i( t) =
2 10 cos( t 30 deg)
a. Find p(t), S, P, and Q into the network.
b. Find a simple, two element, series circuit consistent with the prescribed terminal be
EE 295 - Homework 1 Solutions
February 3, 2010
1
Readings
1. Chapters 1-2 of Bergen/Vittal
2
From the textbook (Bergen/Vittal)
2.1
v (t) =
(a)
Problem 2.1
2120 cos(t + 30 ), i(t) =
210 cos(t 30 )
Find p(t), S = P + jQ.
Working backwards, we get phasors: V
EE 113 - Homework 1
January 18, 2010
1
Readings
1. Chapters 1-2 of Bergen/Vittal
2
From the textbook (Bergen/Vittal)
2.1
Problem 2.1
2.2
Problem 2.3
2.3
Problem 2.6
2.4
Problem 2.11
1