ELEC 2105 Motor Controls 2

Transcription

1 ELEC 2105 Motor Controls 2 Course Description This curse covers reversing motor circuits, electromechanical and solid-state relays, photoelectric, controls, proximity controls, reduced voltage starting, accelerating and decelerating methods and preventive maintenance. The lab class will give the student the opportunity to hard wire and operate the control circuits. Students design control circuits and program smart motor controllers and variable frequency drives. (3 Cr/2 lec/1 lab) Overall Course Objective This course will prepare students as electricians for a career in the electrical industry. Related opportunities exist in the following areas: 1. Construction electrician 2. Maintenance electrician 3. Electrical instructor 4. Electrical sales 5. Industrial electrician Students completing this three-credit course will develop skills, which allow them to become familiar with the range of competencies associated with the code and circuits of motor controls. Instructional Philosophy Students will apply specific wiring methods; ideas, concepts and knowledge within the context of major career performance activities representative of those competed in the workplace. In addition, academic thinking and personal competencies will be reinforced. It is expected that all students will complete and master core competencies presented in the course within 15 weeks. In addition to completing the core competencies, students will plan and complete other optional learning activities based on their individual career interest in the electrical industry. It is expected that all students will demonstrate at least minimal master level of the core competencies presented in the course. Broad Course Goals The students will be able to: 1. Develop relevant wiring competencies. 2. Develop team skills. 3. Develop problem-solving techniques. 4. Develop relevant diagram read skills. 5. Become self-directed learners. 6. Become responsible citizens.

2 7. Research a career in the electrical industry. Course Content This course will be organized around major career performance activities representative of the career scope to the course. Upon completing this course, students will have had experience with the following major career activities. THE STUDENTS WILL BE ABLE TO: Install Motor Starts 1. Demonstrate skills necessary for basic motor starter installation. 2. Apply personal and shop safety. 3. Remove and install motor starters. 4. Explain the different components of a motor starter. 5. Explain the electrical ladder diagrams. 6. Explain the electrical code for motor starter installation. 7. Identify the heater size. 8. Identify the motor starter size. 9. Identify the motor starter enclosure. 10. Identify the parts of the motor starter. Install Wiring 1. Apply personal and shop safety. 2. Remove and install wire. 3. Identify the wire size. 4. Explain the electrical code for wire installation. 5. Identify the wire color for the installation. 6. Identify the insulation on the wire for the installation. 7. Identify the type of enclosure. Tools 1. Apply personal and shop safety. 2. Demonstrate skills necessary for basic tool operation. 3. Identify the use of various types of tools. 4. Perform measurements. 5. Identify the use and jobs for the tools. Symbols 1. Identify the symbols. 2. Explain the symbols.

3 3. Use the symbols in the right place. 4. Describe the symbols. 5. Draw the symbols. 6. Label the symbols. Timers 1. Identify the symbols. 2. Draw the symbols. 3. Label the symbols. 4. Describe the contacts. 5. Use in the right place. Relays 1. Identify the symbols. 2. Draw the symbols. 3. Label the symbols. 4. Use in the right place. 5. Describe the contacts. Diagrams 1. Draw ladder diagrams. 2. Understand ladder diagrams. 3. Understand diagrams. 4. Read ladder diagrams. Specific trade competencies addressed during the completion of the major career activities will be: Psychomotor 1. Install motor starters. 2. Install timers. 3. Install relays. 4. Apply electrical code to motor controls. 5. Operate electrical equipment. 6. Identify control symbols. 7. Demonstrate the right use of the raceway. Cognitive 1. Describe motor symbols. 2. Describe motor starters. 3. Describe wire and its use.

4 4. Describe tools. 5. Describe timers. 6. Describe relays. 7. Describe timer and relay bases. 8. Describe wire ways. 9. Describe diagrams. Affective 1. Treat equipment with care and respect. 2. Cooperate with co-workers. 3. Exhibit safety in the workplace. 4. Exhibit good working habits. 5. Exhibit good working conditions. Specific academic competencies addressed during the completion of the major career activities will be: Math Language Arts 1. Add and subtract. 1. Communicate with co-workers. 2. Multiply and divide. 2. Demonstrate customer etiquette. 3. Calculate fractions. 3. Navigate service publications. Social Studies Science 1. Explain current technology trends. 1. Explain electrical theory. 2. Discuss environmental and safety standards. Specific SCANS competencies addressed citing the completion of the major career activities will be: 1. Resources: Plan and organise resources efficiently. 2. Interpersonal: Become team members, cooperate with others, and respect workplace diversity. 3. Information: Acquire and evaluate information effectively. 4. Systems: Explain how components interact and affect each other. 5. Technology: Work with a variety of ever-changing technologies. Instructional Format Learning activities will be organised around workplace problem solving using a define, plan, do and check model. Students will be presented major career performance activities, which require problem solving through the integration and application of technical, academic and SCANS competencies.

5 Student Assessment Students will be evaluated on their ability to perform each workplace competency, the extent to which they have acquired the knowledge base, and their ability to integrate what they have learned and to reflect on how it might be applied in the future. The amount of emphasis that will be placed on each in the course grade is as follows: 1. Hands on performance projects labs 40% 2. Written, oral, and hands on tests 25% 3. Participation, attitude, attendants and judgement 20% 4. Workbook and assignments 15% A A B B B C C C In this class there will be no D s given if you don t achieve a 70 percent or better you will fail the course. Plus s and minus s will be given in this course. Labs Labs will be check off during the scheduled time of the lab. To get a project check off student will have to have the lab area clean and all unused items put in the proper place before the project will be check off. All tools and material will be put away at the end of ever y class. If tools and material are not put away the hole class will be docket 100 points for every time the tools and material is not put away. If the material is not put in the proper place the class will be docket 100 points and take the lab time to put everything back in the proper place. 100 points is equal to one project. Projects will have to be neatly done to be check off. It will be up to the instructor if the project is done neat enough. The student will be given 3 fuses at the start to the lad and that is all the fuses the school will provide. Tools needed 1. Wire stripers 2. Needle nose 3. Lineman s 4. Side cutters

6 5. Fillips screwdriver 6. Flathead screwdriver 7. Voltage and amp meter 8. Fuses Books needed Electrical Motor Controls Id number ISBN Electrical Motor Controls Workbook Id number ISBN Author Gary Rockis Instructor Bruce Harens The information in this course outline is subject to revision Veteran Services: Minnesota West is dedicated to assisting veterans and eligible family members in achieving their educational goals efficiently. Active duty and reserve/guard military members should advise their instructor of all regularly scheduled military appointments and duties that conflict with scheduled course requirements. Instructors will make every effort to work with the student to identify adjusted timelines. If you are a veteran, please contact the Minnesota West Veterans Service Office. To receive reasonable accommodations for a documented disability, please contact the campus Student Services Advisor or campus Disability Coordinator as arrangements must be made in advance. In addition, students are encouraged to notify their instructor. This document is available in alternative formats to individuals with disabilities by contacting the Student Services Advisor or by calling or Minnesota Relay Service at or by using your preferred relay service. A Member of the Minnesota State Colleges and Universities System An Affirmative Action Equal Opportunity Educator/Employer