Course Number and Title:
MET 249 Electro-Mechanical Systems
Prerequisites
Pre-requisite: (Test score 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 electrical power and controls systems found in modern machines, typically encountered by MET graduates. Electrical topics include the design, sizing and testing of electrical components found in basic DC and AC electrical circuits. Other topics include electrical components such as conductors, circuit protection, switches, relays, capacitors, resistors, transformers, and motors. The course introduces processes for wiring, programming, and troubleshooting of Programmable Logic Controllers (PLC).
Core Course Performance Objectives (CCPOs)
- Apply basic electrical theory, principles, and laws. (CCC 2, 5, 6; PGC 3)
- Define the operating principles, ratings, testing and electrical symbols of common electrical circuit devices such as power supplies, conductors, circuit protection devices, switches, relays and resistors. (CCC 2, 5, 6; PGC 3, 5)
- 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 3, 5)
- Design and size electrical components, devices, and conductors for DC, single, and 3-phase circuits and devices. (CCC 2, 5, 6; PGC 3, 5)
- Connect and troubleshoot simple electrical circuits. (CCC 2, 3, 5, 6; PGC 3, 5)
- Develop and troubleshoot simple programmable logic controller (PLC) programs and circuits. (CCC 2, 5, 6; PGC 3, 5)
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 circuit devices such as power supplies, conductors, 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.
- Write simple PLC programs.
- Connect, operate and troubleshoot simple PLC controlled programs and 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 Assessments |
Written Exams (Equally Weighted) | 60% |
Practical Exam | 20% |
Electrical Design Project | 15% |
Formative Assessments |
Quizzes (Equally weighted) | 5% |
TOTAL | 100% |
Program Graduate Competencies (PGCs are the competencies every graduate will develop specific to his or her major)
1. Able to safely use typical machine shop equipment and manufacturing techniques to accurately manufacture projects (Manufacturing)
2. Calculate forces to size and select structural system components and appropriate materials (Determining forces and sizing structures)
3. Calculate forces and parameters to size system components related to various mechanical system designs (System - machine, electrical, hydraulic, pneumatic, etc.)
4. Read and create good mechanical engineering drawings and effectively create solid models of parts and assemblies (CAD)
5. 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 (General)
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.