powered by
Center for Curriculum and Transfer Articulation
Motor Controls
Course: ELC217

First Term: 2018 Fall
 Lec + Lab   3.0 Credit(s)   3.0 Period(s)   3.0 Load  
Subject Type: Occupational
Load Formula: T - Lab Load


Description: Electrical symbols, line diagrams and logic. Contacts and starters, control devices, reversing circuits and power distribution systems. Magnetism and magnetic solenoids, reduced voltage starters, and circuits. Hand tools and safety procedures.



MCCCD Official Course Competencies
1. Select and operate electrical test equipment and hand tools demonstrating appropriate safety procedures. (I)
2. Identify specific electrical symbols, explain logic related to line diagrams and develop line diagrams. (II)
3. Describe the operation of contactors and motor starters including specific types of overloads. (III)
4. Define magnetism and explain the principal of magnetic solenoids. (IV)
5. Demonstrate the operation of time delay devices. (V)
6. Explain the use of timing graphs. (V)
7. Demonstrate the use of numbering systems in developing complex line diagrams. (V)
8. Describe the operation of specific control devices and integrate these devices into line diagrams. (VI)
9. Explain principles of reversing circuits and develop line diagrams with reversing circuits for single-phase, three-phase and DC motors. (VII)
10. Identify specific components of power distribution systems and identify specific types of transformers used in power distribution systems. (VIII)
11. Describe the operation and application of electro-mechanical and solid state relays. (IX)
12. Explain the operation of specific types of AC reduced voltage starters. (X)
MCCCD Official Course Competencies must be coordinated with the content outline so that each major point in the outline serves one or more competencies. MCCCD faculty retains authority in determining the pedagogical approach, methodology, content sequencing, and assessment metrics for student work. Please see individual course syllabi for additional information, including specific course requirements.
 
MCCCD Official Course Outline
I. Tools and safety
   A. Electrical test equipment
   B. Hand tools

II. Logic and line diagrams
   A. Electrical symbols
   B. Electrical logic
      1. AND
      2. OR
      3. NOT
      4. Memory
      5. NOR
      6. NAND
   C. Develop diagrams

III. Contactors and motor starters
   A. Operation
   B. Overloads

IV. Magnetism and magnetic solenoids

V. Time delay devices and diagram numbering systems
   A. Timing graphs
   B. Complex line diagrams

VI. Control devices and line diagrams
   A. Operation
   B. Integration

VII. Reversing circuits and line diagrams
   A. Operation
   B. Motors
      1. Single-phase
      2. Three-phase
      3. Direct Current (DC)

VIII. Power distribution system--components/types
   A. Outside
   B. Inside
   C. Transformers
      1. Wye
      2. Ditto
      3. Buck and boost
      4. Control

IX. Electro-mechanical and solid state relays
   A. Operation
   B. Application

X. AC reduced voltage starters
   A. Primary resistance
   B. Autotransformers
   C. Part-winding
   D. Wye-delta
   E. Solid-state
   F. Other

 
MCCCD Governing Board Approval Date: June 27, 2017

All information published is subject to change without notice. Every effort has been made to ensure the accuracy of information presented, but based on the dynamic nature of the curricular process, course and program information is subject to change in order to reflect the most current information available.