Southern Illinois University Carbondale

Electrical Engineering Technology

ET 304A

Ac/Dc Circuit Theory and Application

 

Textbook:   Introductory Circuit Analysis 11th Edition by Robert L. Boylestad

Instructor:      David Williams

 

              Office:    Engineering  D111                Lab T.A.: 

              Phone:   453-7820                             E-mail:  

              E-mail:   dtw322@siu.edu                   Office:    

 

 

Links

              Course Description

              Course Objectives

              Course Policies and Grading

              Homework Assignments

              Lecture Notes

              Labs

              Emergency Procedures


 

 

 

 

 

Course Description

      Mesh and nodal analysis techniques are introduced to handle dc network problems.  Network analysis theorems, such as source transformation, Thevenin's theorems, Norton's theorems, superposition, delta-wye resistor transformations and the maximum power transfer theorem are used to simplify circuit analysis.  These topics are extended to simple ac circuits through the introduction of phasor analysis and the impedance concept.  Series and parallel ac circuits are analyzed using phasor methods.  The frequency response of simple RC, RL and RLC circuits are covered.  The frequency response of resonant circuits is covered.  The frequency response of circuits is plotted using bode plots.  Bode plots are used to describe the response of simple RC and RL filter circuits with and without attenuation.

 

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Course Learning Objectives

 

At the end of this course, you will be able to:


1.) Recognize ideal dc current sources and list how they can be applied in practical application.

2.) Perform source conversions between dc voltage and current sources.

3.) Analyze a dc network containing multiple sources using mesh and nodal analysis.

4.) Analyze a dc bridge network and apply it to measure resistance.

5.) Use the delta-wye component conversion formulas to simplify dc networks.

6.) Use the Superposition Theorem to find the response of circuits with multiple sources.

7.) Use Thevenin's and Norton's Theorems to simplify dc circuits.

8.) Find the maximum power transfer between a dc load and a source.

9.) Use the concept of impedance to represent components in an ac circuit.

10.)   Plot the impedance of R, L and C to varying frequency sinusoidal inputs.

11.)   Find the average power dissipated and power factor of an ac load.

12.)   Perform complex number arithmetic.

13.)   Use complex numbers and vectors to develop the phasor representation of ac.

14.)   Construct Impedance diagrams and phasor diagrams for simple ac circuits.

15.)   Find the impedance, voltage, current and power for series and parallel ac circuits.

16.)   Determine how changing ac frequency affects voltage and current in ac circuits.

17.)   Analyze and design circuits that exhibit series resonance.

18.)   Construct Bode plots to determine how simple ac circuits respond to changes in source frequency.

19.)   Analyze and design simple filters using RC combinations.

 

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Course Policies and Grading

 

Grading Scale:     100-86% A

                            85-76%  B

                            75-66%  C

                            65-60%  D

                               59-below    F

 

          Hour Exams (3 at 100 points each)                         60%

         Final Exam  (100 points - score counts twice)3         

         Homework                                                           15%

         Laboratory Experiments/Activities                           25%      

                                                                     --------------------

                                                               Total             100%

Course Policies

1.      Late Work and Makeup Exams

         No make-up exams.  All homework due at the beginning of the period it is due.  No Late homework.  Late lab grades reduced by 5% per working day starting from due date.

2.      Attendance Policies

         Class attendance is required and attendance will be taken at the beginning of every period.  Students are allowed four unexcused absences. Any further absences will reduce the TOTAL grade by 5% per day absent.

         Grade Calculation

3.      The final grade is computed with five test scores, (the final grade will count twice).  The highest four test grades will then be used to determine this part (60%) of the grade.

         Testing

4.      All exams are closed book and notes unless otherwise specified

 

Note: the final exam is optional for all students that have a 90% or higher average on the hour exams, homework, and experiment/activities

 

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Homework Assignments

 

Assignment

Chapter

Problems

1

8

2,5,8,10

2

8

13,14,15,16

3

8

20,22,25,27

4

8

35,36,37

5

8

38,39,40

6

8

45,46,47

7

8

51,52,53

Exam 1

 

Chapter 8

8

9

1,3,6

9

9

7,8

10

9

12,13,14

11

9

15,18,19

12

9

21,22,23

13

9

24,25,27

14

14

41,42,43,44,45

15

14

48,49,50,51,52

16

15

1,2,3,4,5

17

15

6,7,8,9

18

15

10 omit i&j 11,12,13,14

19

15

15,17,19,20

20

15

21,22,23

21

15

25,26,27,28 omit I 30

22

15

32,33,34

23

15

40,41,42,47

Exam 2

 

Chapters 9, 14, 15

24

16

1,2,3,4,5

25

16

12,13,14

26

20

1,2,3,4,5

27

20

6,7,9,10

28

21

9,10,11,12,13,14,18

29

21

19,21,22,23,24,25

30

21

27,28,29,31,33,34

31

21

35,37,41,43,49,50

Exam 3

 

Chapters 16,20,21

 

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Lecture Notes

 

Clicking on the following links will allow you to down load Adobe Acrobat files of the class lecture notes.

 

       Part 1:    Pages 1 to 21

       Part 2:    Pages 22 to 42

       Part 3:    Pages  43 to 54

       Part 4:    Pages  55 to 84

       Part 5:    Pages  85 to 107

       Part 6:    pages 108 to 129

 

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These are links to presentations that cover the course material


 

Laboratory Projects and Quizzes

 

Downloads:           Coverpage format

                           Lab Grading and Attendance Policies

                           How to write good reports

                          

1.) Kirchhoff's Voltage and Current Laws

     The propose of this laboratory activity is to become familiar with Kirchhoff's voltage and current laws.  Students will also familiarize themselves with dc circuit measurement techniques and lab instrumentation.  These skills will be used to do simple circuit analysis.

 

                                         Download a copy

 

2.) Mesh Analysis and Solution of Simultaneous Equations Using Spreadsheets

     Mesh analysis of a dc circuit is performed in this lab.  A spreadsheet is used to solve a system of linear circuit equations.  This lab will experimentally confirm the calculated values found from the theoretical circuit.

 

                                         Download a copy

 

3.) Nodal Analysis and Measurement Error Estimation

     The purpose of this lab activity is to become familiar with nodal analysis.  The propagation of error and measurement uncertainty is studied.

 

                                          Download a copy

 

4.) Voltage Measurements and Meter loading Effects

     Three types of instruments are used to make dc voltage measurements on circuits constructed in the laboratory.  In this laboratory, activity students will use a digital voltmeter, an analog voltmeter and an oscilloscope to measure circuit voltages.  These results will be compared and contrasted.

 

                                         Download a copy

                                         Download Simpson Meter Specifications

                                         Download Agilent DVM Specifications

                                         Download Agilent Scope Probe Specifications

                                         Download Scope instructions

                                        

 

5.) Thevenin's Theorem, Norton's Theorem and the Principle of Superposition

     Students will experimentally demonstrate Thevenin's and Norton's theorems in the laboratory.  The linearity of resistive dc circuits will be demonstrated using superposition in an experimental circuit analysis.

 

                                         Download a copy

 

6.) Midterm Laboratory Practical Exam

 

7.) Maximum Power Transfer Theorem

     The laboratory experimentally proves the maximum power transfer theorem for dc circuits.  A Thevenin's equivalent is used to simplify the analysis with the results compared to the actual circuit.

 

                                          Download a copy

 

8.) Capacitive and Inductive Reactance/Series Impedances

     The laboratory experimentally verifies the relationships between frequency and        reactance for inductors and capacitors.  The magnitude and phase shift of series        impedances are examined.

 

                                         Download a copy

 

9.) Ac Circuit Analysis and Phasor Algebra

     Students will construct simple circuits and make ac voltage measurements using the oscilloscope.  The methods of measuring ac waveform parameters are introduced.

 

                                         Download a copy

 

10.)  Ac Circuit Analysis Using Circuitmaker

     The popular analysis software Circuitmaker is introduced as an example of a professional circuit analysis software package.  Ac circuits are solved using the circuit simulation software Circuitmaker.

 

                                         Download a copy

                                         Download a Circuitmaker Tutorial

                                         Circuitmaker Student Version

 

11.)  Circuitmaker Analysis of RLC Filters

     Circuitmaker software is used to find resonance, bandwidth and frequency response of filters.

 

                                         Download a copy

                                         Download a Circuitmaker Tutorial for Filter Analysis

 

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Emergency Procedures

 

SIUC is committed to providing a safe and healthy environment for study and work.  Because some health and safety circumstances are beyond our control, we ask that you become familiar with the SIUC Emergency Response Plan and Building Emergency Response Team (BERT) program.  Emergency response information is available on the BERT website at www.bert.siu.edu, Department of Public Safety’s website www.dps.siu.edu (disaster drop down) and in the Emergency Response Guidelines pamphlet.  Know how to respond to each type of emergency.

 

Instructors will provide guidance and direction to students in the classroom in the event of an emergency affecting your location.  It is important that you follow these instructions and stay with your instructor during an evacuation or sheltering emergency.  The Building Emergency Response Team will assist your instructor in evacuating the building or sheltering within the facility.

 

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