Homework #8
ECE 423
Power Systems Analysis
Brian Vandenburg
10/23/2006
Problem 6.6
j :=
Given:
0 := 8.8548 10
Parakeet conductors
length ab := 19.85ft
T := 50
length ac := 19.85ft + 19.85ft
m
f := 60Hz
length bc := 19.85ft
12 F
:= 2 f
Find:
Determine t
ECE 423
Assignment #2
Page 1 of cfw_5
10.5
A generator is connected through a transformer to a synchronous motor. Reduced to the same
base, the per unit subtransient reactances of the generator and motor are 0.15 and 0.35,
respectively, and the leakage re
ECE 423
11.12
Assignment #4
Fall 2006
A wye connected synchronous generator has sequence reactances:
X0=.09 X1=.22 and X2=.36 all in per unit
The neutral point of the machine is grounded through a reactance of .09 PU
The machine is running on no load with
Homework #6
ECE 423
Power Systems Analysis
Brian Vandenburg
9/29/2006
Define:
cmils :=
4
6 2
10
in
Problem 4.1
Given:
37 strands of all-al conductor Bluebell
d := 0.1672in
Aaac := 1033500cmils
Find:
A. Are these values consistent with each other?
B. Find
Homework #7
ECE 423
Power Systems Analysis
Brian Vandenburg
10/16/2006
Problem 5.5
12 F
0 := 8.854 10
Given:
f := 60Hz
ACSR Osprey Conductor
D1 := 25ft
D2 := D1
D3 := 42ft
Length := 150mi
3
k := 10
6
M := 10
:= 2 f
Find:
Determine the capacitance to
ECE 423
Fall 2006
Assignment #9
Page 1 of 3
Dan Whicker
Engineering Outreach
Problem 16.1:
6
MW := 10 W
60 Hz 4 pole turbo generator rated 500MVA, 22 kV has an inertia constant of H=7.5MJ/MVA.
j :=
1
6
MVA := MW
MJ := 10 J
S := 500MVA V := 22kV
H := 7.5
M