- Course Number:
- ELT 201
- Course Title:
- Electrical Motor Control
- Credit Hours:
- Lecture Hours:
- Lecture/Lab Hours:
- Lab Hours:
- Special Fee:
Course DescriptionProvides knowledge and skills needed to design, install, maintain, service and troubleshoot electric motors. Focuses on the operation and installation of control systems, specifically motor starters and controllers. Electromagnetic controls, motors and transformers will also be covered. Lab activities will utilize electrical test equipment to analyze electric motor control malfunctions. This class can be used towards Continuing Education Units for Oregon State electrical licensing purposes. ELT 201 and APR 201 cannot both be taken for credit. Prerequisites: FMT 111 or APR 104 or Department Permission. Audit available.
Addendum to Course Description
This class covers the current year code book in these areas: 430.40 Overload Relays, 430.24 - Several Motors or a motor(s) and other loads, 430.14 Location of motors, 430.16 Exposure to dust accumulations, 430.7 Markings on motors and multi motor equipment, 430.81 Motor Controllers, 430.82 Controller Design, 430.83 Ratings, 430.2 Definitions, 430.39 Motor Controller as overload protection, 430.248 Full load currents in amperes. Single phase AC motor, 430.250 Full load current, three-phase AC motors, 110.26 Dedicated Equipment space,110.21 (A) (B) markings,
Intended Outcomes for the course
- Design, analyze, install, and repair alternating current motors, motor starters, and control circuits.
- Use industry terminology to explain or discuss motor operations with industry professionals.
- Demonstrate safe working conditions in accordance with state and federal regulations. *
* required for statewide Apprenticeship degree
Course Activities and Design
A lecture-laboratory course in which the student may come from a wide variety of occupations. The emphasis of the course activities will depend on the needs of the students. Laboratory activities will utilize electrical test equipment to analyze electric motor control malfunctions. Students are required to supply their own meter.
Outcome Assessment Strategies
Procedures will be discussed at the first class session and the instructor's grading policy will be reference on the class syllabus. Assessment will be based on attendance, participation, homework, lab activities and assignments, short quizzes and written examination.
Course Content (Themes, Concepts, Issues and Skills)
- Demonstrate knowledge of the general principles of electric motor control and the common types of starters.
- Demonstrate understanding of the function of control pilot devices as a component of motor control.
- Demonstrate knowledge of the common electrical symbols, connections and layouts.
- Demonstrate understanding and ability to install or repair selected basic control circuits.
- Demonstrate understanding of the reasons for the use of reduced voltage starting.
- Demonstrate understanding of the operating principles on which the squirrel cage motor is based
- Demonstrate understanding of the advantages of an AC three-phase wound rotor, or slip ring, induction motor.
- Demonstrate understanding of the operation and application of a synchronous motor.
- Demonstrate understanding of direct-current motors and their use in a variety of industries.
- Demonstrate understanding of several methods of repeated closure of a circuit.
- Demonstrate knowledge of the installation of motor drives and how to calculate the size required.