SRJC Course Outlines

5/29/2023 6:19:06 AMELEC 154 Course Outline as of Fall 2020

Changed Course

Discipline and Nbr:  ELEC 154Title:  ROTATING MACHINERY  
Full Title:  Rotating Machinery
Last Reviewed:4/22/2019

UnitsCourse Hours per Week Nbr of WeeksCourse Hours Total
Maximum3.00Lecture Scheduled2.5017.5 max.Lecture Scheduled43.75
Minimum3.00Lab Scheduled1.508 min.Lab Scheduled26.25
 Contact DHR0 Contact DHR0
 Contact Total4.00 Contact Total70.00
 Non-contact DHR0 Non-contact DHR Total0

 Total Out of Class Hours:  87.50Total Student Learning Hours: 157.50 

Title 5 Category:  AA Degree Applicable
Grading:  Grade or P/NP
Repeatability:  00 - Two Repeats if Grade was D, F, NC, or NP
Also Listed As: 

Catalog Description:
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Fundamentals of three-phase and single-phase rotating machinery. Includes the operation and maintenance of Direct Current (DC) and Alternating Current (AC) motors, generators, and controllers.


Recommended Preparation:

Limits on Enrollment:

Schedule of Classes Information
Description: Untitled document
Fundamentals of three-phase and single-phase rotating machinery. Includes the operation and maintenance of Direct Current (DC) and Alternating Current (AC) motors, generators, and controllers.
(Grade or P/NP)

Limits on Enrollment:
Transfer Credit:
Repeatability:00 - Two Repeats if Grade was D, F, NC, or NP


Associate Degree:Effective:Inactive:
CSU GE:Transfer Area Effective:Inactive:
IGETC:Transfer Area Effective:Inactive:
CSU Transfer:Effective:Inactive:
UC Transfer:Effective:Inactive:

Certificate/Major Applicable: Certificate Applicable Course


Student Learning Outcomes:
At the conclusion of this course, the student should be able to:
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1.  Operate and maintain alternating current (AC) and direct current (DC) motors and controllers.
2.  Operate and maintain AC and DC generators.
3.  Install and maintain motor controllers.
4.  Implement safety and tag-out procedures.

Objectives: Untitled document
Students will be able to:
1. Analyze the operating principles of AC and DC motors.
2. Apply proper safety procedures for working around motors and rotating machinery.
3. Apply proper tag-out procedures when working on electrical equipment.
4. Diagnose and repair AC and DC motor starters and controllers.
5. Diagnose and repair AC and DC generator controllers.
6. Evaluate and repair defective rectifiers in alternators.
7. Interpret name plate information found on motors and generators.
8. Test for the correct installation of rotating machinery, including proper alignment and belt tensions.
9. Design predictive and ordinary maintenance routines using common rotating machinery test equipment.

Topics and Scope
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I.   Safety in the Workplace
II.  Magnetism & Electromagnetism
III. Single- and Three-Phase AC Generators (Alternators)
    A. Slip rings and brushes
    B. Rotating armature with stationary fields
    C. Rotating fields with stationary armature
    D. Self-excitation
    E. External excitation
    F. Rectifiers
IV. Basic Motor Operating Principles
    A. Attraction-repulsion
    B. Effect of generating current to line current
    C. Starting current
    D. Running current
     E. Effect of load on the motor
V. DC Motors
    A. Series motors
    B. Shunt motors
    C. Compound motors
VI. Series-Wound AC Motors
    A. Characteristics
    B. Comparison to DC motors
VII. AC Induction Motors
    A. Rotating magnetic fields
    B. Single-phase rotating fields
    C. Three-phase rotating fields
    D. Eddy currents
    E. Stators
    F. Rotors
    G. Squirrel cage rotors
VIII. Stepper Motors  
IX.   Servo Motors
X.    Motor Controllers - AC and DC Tachometers
XI.   Predictive Maintenance Procedures
    A. Vibration analysis
    B. EMI evaluations and analysis of rotating machinery
    C. Megohmeters and their uses
    D. Belt slippage and adjustments
    E. Alignment and installation procedures of rotating machinery
XII.  Rotating Machinery Name Plate Information and Usage in Maintenance and Installation
XIII. Motor Safety and 440 V three Phase Circuits
XIV. Very large motor precautions (10 Hp and greater)
XV.  Laboratory Topics
    A. Lab safety procedures
    B. Using test equipment for analysis
    C. Magnetic and electromagnetic properties
    D. DC motors
    E. Generators
    F. AC motors
    G. Motor controllers
    H. Maintenance procedures

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Lecture-Related Assignments:
1. Weekly reading assignments (10-20 pages)
2. Homework assignments (10-15) including writing a maintenance or safety procedure
3. Quizzes (2-5)
4. Midterm exam
5. Final exam
Lab-Related Assignments:
1. Lab assignments (5-10)
2. Lab practicum

Methods of Evaluation/Basis of Grade.
Writing: Assessment tools that demonstrate writing skill and/or require students to select, organize and explain ideas in writing.Writing
0 - 0%
This is a degree applicable course but assessment tools based on writing are not included because skill demonstrations are more appropriate for this course.
Problem solving: Assessment tools, other than exams, that demonstrate competence in computational or non-computational problem solving skills.Problem Solving
20 - 40%
Homework problems
Skill Demonstrations: All skill-based and physical demonstrations used for assessment purposes including skill performance exams.Skill Demonstrations
25 - 40%
Lab assignments, lab practicum
Exams: All forms of formal testing, other than skill performance exams.Exams
25 - 40%
Quizzes, midterm, and final exam
Other: Includes any assessment tools that do not logically fit into the above categories.Other Category
0 - 10%

Representative Textbooks and Materials:
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Electric Motors and Control Systems. 2nd ed. Petruzella, Frank. McGraw-Hill. 2017

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