Course Number and Title:
ELC 248 Electro-Mechanical Systems
Prerequisites
Pre-requisite: (Test score or MAT 190 or MAT 193 or higher) and (PHY 205 or PHY 281 or higher).
Course Credits and Hours
4 credit(s)
3 lecture hours/week
3 lab hours/week
Course Description
This course covers power and controls systems found in modern machines, typically for MET students. Electrical topics include design of basic DC and AC electrical circuit theory., rate and test electrical control components such as circuit protection, switches, relays, transformers, motors, servos and electrical safety. Explore the use and programming of Programmable Logic Controllers.
Additional Materials
None
Core Course Performance Objectives (CCPOs)
- Apply basic electrical theory, principles, and laws. (CCC 2, 5, 6; PGC MET 3, 5; EEN 1)
- Define the operating principles, ratings, testing and electrical symbols of common electrical devices such as power supplies, circuit protection devices, switches, relays and resistors. (CCC 2, 5, 6; PGC MET 3, 5; EEN 7)
- Define the operating principles, ratings, testing and electrical symbols of inductive and magnetic devices such as motors, transformers, and generators. (CCC 2, 5, 6; PGC MET 3, 5; EEN 7)
- Design and size electrical components, devices, and conductors for DC, single, and 3-phase circuits and devices. (CCC 2, 5, 6; PGC MET 3, 5; EEN 7)
- Connect and troubleshoot simple electrical circuits. (CCC 2, 3, 5, 6; PGC MET 3, 5; EEN 1, 7)
- Develop and troubleshoot simple programmable logic controller (PLC) programs and circuits. (CCC 2, 5, 6; PGC MET 3, 5; EEN 1, 3, 7)
See Core Curriculum Competencies and Program Graduate Competencies at the end of the syllabus. CCPOs are linked to every competency they develop.
Measurable Performance Objectives (MPOs)
Upon completion of this course, the student will:
- Apply basic electrical theory, principles, and laws.
- Apply Ohm's law to series and parallel DC circuits.
- Calculate energy and power requirements for simple DC circuits.
- Describe the theory, construction, and operation of common batteries.
- Differentiate between primary and secondary batteries.
- Practice electrical safety, and list tagout/lockout procedures.
- Set up a circuit in the lab and use a Digital Multimeter to take readings.
- Define and calculate the following circuit parameters: voltage, line drop, resistance, and current.
- Define the operating principles, ratings, testing and electrical symbols of common electrical devices such as power supplies, circuit protection devices, switches, relays, and resistors.
- Define typical ratings for each component.
- Test each component using a Digital Multimeter.
- Define the operating principles, ratings, testing and electrical symbols of inductive and magnetic devices such as motors, transformers, and generators.
- Define common magnetic theories.
- Define magnetic field, flux, flux density, coil or solenoid, electro-magnet, and right hand rule.
- State the rule of magnetic attraction and repulsion.
- State the applications of magnets and electro-magnets in industry.
- Define induced electrical magnetic field (EMF).
- List the factors that affect induced EMF.
- Explain the operation of common inductive devices such as transformers and coils.
- Define the characteristics of common transformer types, such as single phase, three phase, autotransformer, current transformers, and tap changing.
- Define the characteristics of alternating current.
- Calculate power requirements for simple AC circuits.
- Define, calculate and measure the following AC circuit parameters: voltage, frequency, resistance, current, cycle, capacitive reactance, inductive reactance, and impedance.
- List the benefits and applications of 3-phase power and devices.
- Identify common 3-phase circuit connections, voltage, and current relationships in wye and delta connected devices.
- Define power factor.
- Explain the operation of common 3-phase motors and motor starters.
- Connect an experimental 3-phase circuit.
- Design and size electrical components, devices, and conductors for DC, single, and 3-phase circuits and devices.
- Based on the load in the electrical circuit design and calculate the components in the electrical circuit, including conductor size and power supply.
- Connect and troubleshoot simple electrical circuits.
- Assemble common electro-mechanical circuits, safely and in the correct sense.
- Develop and troubleshoot simple programmable logic controller (PLC) programs and circuits.
- Connect and operate a simple PLC controlled devices.
Evaluation Criteria/Policies
The grade will be determined using the Delaware Tech grading system:
| 90-100 |
= |
A |
| 80-89 |
= |
B |
| 70-79 |
= |
C |
| 0-69 |
= |
F |
Students should refer to the
Catalog/Student Handbook for information on the Academic Standing Policy, the Academic Integrity Policy, Student Rights and Responsibilities, and other policies relevant to their academic progress.
Final Course Grade
Calculated using the following weighted average
|
Evaluation Measure
|
Percentage of final grade
|
|
Summative: Exam 1 (Written)
|
17.5%
|
|
Summative: Exam 2 (Written)
|
17.5%
|
|
Summative: Exam 3 (Written)
|
17.5%
|
|
Summative: Exam 4 (Practical)
|
20%
|
|
Formative: Assignment
|
17.5%
|
|
Formative: PLC -Practical
Summative: PLC-Exam
|
10%
|
Program Graduate Competencies (PGCs are the competencies every graduate will develop specific to his or her major)
METAASMET
- Safely utilize typical machine shop equipment and manufacturing techniques to accurately manufacture projects.
- Perform calculations of forces to size and select structural components and appropriate materials.
- Perform calculations of all parameters to size components related to various mechanical system designs.
- Interpret and produce good mechanical engineering drawings and effectively create solid models of parts and assemblies.
- Exhibit professional traits, including the ability to work with minimal supervision independently while contributing to team project, using effective problem-solving skills and make appropriate decisions relative to the technical field.
EENAASEEN
- Perform the duties of an entry-level technician using the skills, modern tools, theory, and techniques of the electronics engineering technology.
- Apply a knowledge of mathematics, science, engineering, and technology to electronics engineering technology problems that require limited application of principles but extensive practical knowledge.
- Conduct, analyze, and interpret experiments using analysis tools and troubleshooting methods.
- Identify, analyze, and solve narrowly defined electronics engineering technology problems.
- Explain the importance of engaging in self-directed continuing professional development.
- Demonstrate basic management, organizational, and leadership skills which commit to quality, timeliness, and continuous improvement.
Core Curriculum Competencies (CCCs are the competencies every graduate will develop)
- Apply clear and effective communication skills.
- Use critical thinking to solve problems.
- Collaborate to achieve a common goal.
- Demonstrate professional and ethical conduct.
- Use information literacy for effective vocational and/or academic research.
- Apply quantitative reasoning and/or scientific inquiry to solve practical problems.
Students in Need of Accommodations Due to a Disability
We value all individuals and provide an inclusive environment that fosters equity and student success. The College is committed to providing reasonable accommodations for students with disabilities. Students are encouraged to schedule an appointment with the campus Disabilities Support Counselor to request an accommodation needed due to a disability. The College's policy on accommodations for persons with disabilities can be found in the College's Guide to Requesting Academic Accommodations and/or Auxiliary Aids Students may also access the Guide and contact information for Disabilities Support Counselors through the Student Resources web page under Disabilities Support Services, or visit the campus Advising Center.