Course Title: Develop engineering solutions for induction motor problems

Part B: Course Detail

Teaching Period: Term2 2010

Course Code: EEET6800C

Course Title: Develop engineering solutions for induction motor problems

School: 130T Vocational Engineering

Campus: City Campus

Program: C6085 - Advanced Diploma of Electrical - Technology

Course Contact: Marko Dumovic

Course Contact Phone: +61 3 99254342

Course Contact Email: marko.dumovic@rmit.edu.au


Name and Contact Details of All Other Relevant Staff

Nominal Hours: 60

Regardless of the mode of delivery, represent a guide to the relative teaching time and student effort required to successfully achieve a particular competency/module. This may include not only scheduled classes or workplace visits but also the amount of effort required to undertake, evaluate and complete all assessment requirements, including any non-classroom activities.

Pre-requisites and Co-requisites

UEENEEG049B Solve problems in complex polyphase power  circuits

Course Description

This unit covers development of engineering solutions to resolve problems with induction motors. It encompasses working safely, apply extensive knowledge of induction motor operation and construction and their application, gathering and analysing data, applying problem solving techniques, developing and documenting solutions and alternatives.

Students will develop specific skills and knowledge required to work safely in the applications of motor protection and control circuits. It includes the principles of operation and control of various types of motors and practical application of various motor protection devices


National Codes, Titles, Elements and Performance Criteria

National Element Code & Title:

UEENEEG045B Develop engineering solutions for induction motor problems

Element:

1. Prepare to develop engineering solution for induction motor problems
2. Develop engineering solution for induction motor problems.
3. Test, document and implement engineering solution for induction motor problems.

Performance Criteria:

Students are expected to meet performance requirements of the “UEENEEG045B Develop engineering solutions for induction motor problems” competency with according to following criteria : 

1.1 OHS processes and procedures for a given work area are identified, obtained and understood.
1.2 Established OHS risk control measures and procedures in preparation for the work are followed.
1.3 The extent of the motor problem is determined from performance specifications and situation reports and in consultations with relevant persons.
1.4 Activities are planned to meet scheduled timelines in consultation with others involved in the work.
1.5 Effective strategies are formed to ensure solution development and implementation is carried out efficiently.


2 2.1 OHS risk control measures and procedures for carrying out the work are followed.
2.2 Knowledge of induction motor construction, operation, characteristics and applications are applied to developing solutions to induction motor problems.
2.3 Parameters, specifications and performance requirements in relation to each motor problem are obtained in accordance with established procedures.
2.4 Approaches to resolving induction motor problems are analysed to provide most effective solutions.
2.5 Unplanned events are dealt with safely and effectively consistent with regulatory requirements and enterprise policy.
2.6 Quality of work is monitored against personal performance agreement and/or established organizational or professional standards.


3.1 Solutions to motor problems are tested to determine their effectiveness and modified where necessary.
3.2 Adopted solutions are documented including instruction for their implementation that incorporates risk control measure to be followed.
3.3 Appropriately competent and qualified person(s) required to implement solutions to induction motor problems are coordinated in accordance with regulatory requirements and enterprise policy.
3.4 Justification for solutions used to solve induction motor problems is documented for inclusion in work/project development records in accordance with professional standards.


Learning Outcomes



Details of Learning Activities

Learning and simulated work activities to demonstrate an understanding of typical induction motor problems encountered in meeting performance requirements and compliance standards, motor operating parameters and dealing with motor malfunctions.

* Classroom tutorial activities to consolidate the theory of three-phase electrical systems, operating principles of single-phase motor, three-phase motor, universal motor, controlling devices for various motors, various motor protection devices.

*Practical exercises  involving design and construction of simple electrical motor control circuits and participate in research activities in the application of different control devices for various electrical motors. It involves the development of testing procedure to verify the performance specification, diagnosis of faults in the systems and completion of the commission.

* Research activities to investigate control devices and circuits for various types of electrical motors and applications. It is expected that students would require approximately 20% of course hours to be allocated for independent study to do project research, motor control circuit design, construction, testing and problem solving activities. This unit covers

This unit covers follwing Essential Knowledge & Associated Skills (EKAS) elements:
2.6.37 Induction motors diagnostics
2.18.1 Occupational Health and Safety principles
2.18.2 Electrical Safe working practices


Teaching Schedule

Week                    Topic                                                                                                                                      Assessment Task
Week 1 Introduction to course, course guide, assessment, topics breakdown,

           OHS issues. Electromagnetism, Electric Motor Principles of Operation,
Week 2 Motor construction, Speed torque characteristics
Week 3 Electric Motor Parameters, Interpreting Manufacturers Data,
Week 4 Determining Induction Motor Equivalent Circuit Parameters,
Week 5 Contactors , DOL Starting and Reversing Induction Motors                                                                  Practical 1
Week 6 Primary Resistance Starters, Autotransformer Starters                                                                         Practical 2
Week 7 Star Delta Starters,
Week 8 Develop engineering solutions for induction motor problems                                                               Test 1
Week 9 DC Injection and Plug Braking,                                                                                                                Practical 3
Week 10 Single Phase Motors, Split Phase Motors, Shaded Pole Motors
Week 11 Capacitor Start/Run Motors
Week 12 Speed Control of Induction Motors
Week 13 Selection of AC motors,
Week 14 Universal Motor, Motor Protection
Week 15 Variable Speed Drives, Commissioning Procedures of Motor Drives
Week 16 Motor Control Circuits and Motor Dynamics
Week 17 Develop engineering solutions for induction motor problems                                                            Test 2
Week 18 Assessment feedback, catch-up test, laboratory work catch-up.


Learning Resources

Prescribed Texts

Marko Dumovic, Motor Protection and Control, RMIT, Engineering Education Australia, 2000


References

J.R. Jennesson, Electrical Principles for electrical Trades, McGraw Hill, 2001

Theodore Wildi, Electrical Machines Drives and Power Sytems, Prentice Hall, 2000


Other Resources

Additional on line resources can be found on :
http://www.phys.unsw.edu.au/hsc/hsc/electric_motors.html
http://www.onesmartclick.com/engineering/electrical-machines.html
http://www.bowest.com.au/library/machines.html

RMIT online learning resources are located on RMIT Online Learning Hub.
Follow the link to log in http://www.rmit.edu.au
The Learning Hub ( Blackboard) is the central point of access to the online courses in which students are registered.


Overview of Assessment

This course will be assessed through a range of practical exercises, assignments and progressive tests.


Assessment Tasks

Progressive and Validation Tests ( 70%)
Written assessment on:
-Operating conditions and performance of induction motors.
-Selection and application the correct type and size of motor and starting system for a given drive specification.
-Selection of an appropriate size and type of motor for particular application.
-Selection of suitable protection system for a motor application

Practical exercises 30 %
Work performance laboratory exercise involving circuit design, construction and testing of a control circuit for specified electrical motor application.
Laboratory exercises on wiring motor starting, reversing and breaking circuits,
All laboratory exercises must be undertaken according to safe working practice .


Assessment Matrix

                                                                                                                                                            Assessment Types

Competency National Code Competency Title Practical Exercises AssignmentProject/
Presentation
TestsIndustrial
Practice
UEENEEE045BDevelop engineering solutions for induction motor problems                                                                                X  X 


 

Other Information


The skills and knowledge described in this unit require a license to practice in the workplace for work involving direct access to plant and equipment connected to installation wiring at voltage above 50 V a.c. or 120 V d.c.

Course Overview: Access Course Overview