Three-Phase AC Circuits
Objectives:
1. To discuss balanced three-phase voltages.
2. To discuss ABC and ACB phase sequences.
3. To discuss the -to-Y and Y-to- transformations.
4. To discuss the relationship between lineto-line and line-to-neutral voltages
ECE212L
PRELAB #4
~
I1
16
DUE: TUESDAY, SEPTEMBER 20, 2011
~
I2
j28
+
40
~
V1
~
V2
+
j80
j40
Voltage Source
Transmission Line
Load
The following measurements are made on the above AC circuit:
|I1 | = 1.25 Arms
|V2 | = 100 Vrms
|I2 | = 1.25 2 Arms.
(a
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Fall 2011
Lab Report #1
Experiment #1: Waveform Measurements
Date Performed: 08/30/11
Date Due:
09/06/11
Date Submitted: 09/06/11
Instructors
Boise State University
Department of Electrical and Computer Engineering
ECE225 Circuit Analysis and Design
Transfer Function and Frequency Response
Reading Assignment: Secs. 14.2, 15.5, and 16.4.
Lecture Objectives:
1. To dene the frequency response of a
ECE225
AC CIRCUIT EXAMPLES
FALL 2009
Example 1
~
I
i(t)
+
v(t)=100
2 cos 120 t V
+
384 W
0.96 pf lag
~
V
_
Z
(a) Find the power factor angle (deg).
(b) Find the real power P (W), the reactive power Q (VAr), and the apparent power S (VA).
(c) Find the comp
ECE212L
PRELAB #2
DUE: TUESDAY, SEPTEMBER 6, 2011
v1 (t)
v2 (t)
1 ms/div
2 V/div
PL-1: Two sinusoidal waveforms are displayed above on a dual-trace oscilloscope. Find the time
delay |t| in ms and the phase shift | in degrees between the two waveforms. Whi
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Experiment #7: Basics of Operational Ampliers
1
Objectives
The objectives of this laboratory experiment are:
To demonstrate the operation of
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Experiment #6: Transformers, Mutual Inductance, and Coupled Coils
1
Objectives
The objectives of this laboratory experiment are:
To observe
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Experiment #5: Three-Phase AC Power Measurements
1
Objectives
The objectives of this laboratory experiment are:
to verify voltage and curren
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Experiment #4: Power Factor Correction
1
Objectives
The objectives of this laboratory experiment are:
to calculate and measure complex power
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Experiment #3: Impedance Measurements
1
Objectives
The objectives of this laboratory experiment are:
to use phase and amplitude measurements
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Experiment #2: Sinusoidal Steady State and Resonant Circuits
1
Objectives
The objectives of this laboratory experiment are:
To investigate t
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Experiment #1: Waveform Measurements
1
Objectives
The objectives of this laboratory experiment are:
to review and apply the denitions of per
Agilent 33120A
Function /Arbitrary Waveform Generator
Quick Reference Guide
Front-Panel Menu Reference
Use Recall Menu as a shortcut to
recall the last command executed.
Page 1
Square brackets ( [ ] ) indicate optional keywords
or parameters.
Braces ( c
Boise State University
Department of Electrical and Computer Engineering
ECE 212L Circuit Analysis and Design Lab
Fall 2011
Catalog Data: ECE 212L Circuit Analysis and Design Lab (0-3-1) (F,S). Lab work to accompany
ECE 212 Circuit Analysis and Design. CO
Agilent 4263B LCR Meter
User's Guide
Agilent Part No. 04263-90022
Printed in JAP
AN
December 2000
Fourth Edition
Documentation Map
User's Guide
( This book
Is a handy reference to help you to get started using your 4263B, basic measurements and
commonly u
ECE225 TWO-WATTMETER METHOD UNBALANCED CASE SPRING 2008
a
Van =127
0o V
+
n
Vcn =127
120o V
A
a
~
N Vca
j10
j10
+
c
~
Vab
10
Vbn =127 120o V
bB
+
+
(a) Find VAB , VBC , and VCA geometrically.
VAB = Vab =
VBC
= Vbc =
VCA = Vca =
(b) Find ZAB , ZBC , and
ECE225 TWO-WATTMETER METHOD UNBALANCED CASE SPRING 2008
a
Van =127
A
+
0o VAC
n
Vcn =127
120o VAC
10
Vbn =127 120o VAC
bB
+
~
N Vca
j10
a
~
Vab = +
o
220 30
c
A
~
IAB
j10
~
IbB
B
~
IBC
~
Vbc
C
+
c
~
IcC
j10
10
b
+
j10
+
~
IaA
~
ICA
C
(a) Find VAB ,
Boise State University
Department of Electrical and Computer Engineering
ECE 225 Circuit Analysis and Design
The Laplace Transform IV
Lecture Objectives:
1. To discuss the unit impulse (or Dirac delta) function and its applications.
2. To review important
Boise State University
Department of Electrical and Computer Engineering
ECE225 Circuit Analysis and Design
The Laplace Transform III
Reading Assignment: Review Sec. 15.3
Lecture Objectives:
1. To derive and apply the initial-value and nal-value theorems.
Boise State University
Department of Electrical and Computer Engineering
ECE225 Circuit Analysis and Design
The Laplace Transform II
Reading Assignment: Read Sec. 15.4
Lecture Objectives:
1. To derive the Laplace transforms of the derivative and integral
Boise State University
Department of Electrical and Computer Engineering
ECE225 Circuit Analysis and Design
The Laplace Transform I
Reading Assignment: Read Sections 15.2-15.3
Lecture Objectives:
1. To dene the Laplace transform.
2. To review some propert
Boise State University
Department of Electrical and Computer Engineering
ECE 212 Circuit Analysis and Design
Lecture #3: The Phasor Transform III
Lecture Objectives:
1. To dene the concept of a phasor and to give it a physical interpretation using a rotat
Boise State University
Department of Electrical and Computer Engineering
ECE212 Circuit Analysis and Design
Lecture #2: The Phasor Transform II
Lecture Objectives:
1. To dene performance measures of periodic waveforms (zero-to-peak value, peak-to-peak
val