Overview
Students analyse and design devices and schemes to protect electrical power apparatus and systems. They explain the philosophy, principles, concepts and practices, the codes, standards and manuals that guide design and operation of protection schemes They analyse protection schemes, solve protection problems and correct faults. Students identify requirements, analyse and design protection for power system networks and for apparatus in electrical power systems. They develop fluency in the technical language of power systems protection and develop professional skills needed to communicate, learn and work alone and collaboratively to solve problems and document the solution process. Distance education (FLEX) students are required to have access to a computer and make frequent use of the Internet.
Details
Pre-requisites or Co-requisites
ENEE 12015 Electrical Power Engineering or ENEE12004 Introduction to Power Systems or ENTE12005 Electrical Power Systems
Important note: Students enrolled in a subsequent unit who failed their pre-requisite unit, should drop the subsequent unit before the census date or within 10 working days of Fail grade notification. Students who do not drop the unit in this timeframe cannot later drop the unit without academic and financial liability. See details in the Assessment Policy and Procedure (Higher Education Coursework).
Offerings For Term 1 - 2019
Attendance Requirements
All on-campus students are expected to attend scheduled classes – in some units, these classes are identified as a mandatory (pass/fail) component and attendance is compulsory. International students, on a student visa, must maintain a full time study load and meet both attendance and academic progress requirements in each study period (satisfactory attendance for International students is defined as maintaining at least an 80% attendance record).
Recommended Student Time Commitment
Each 6-credit Undergraduate unit at CQUniversity requires an overall time commitment of an average of 12.5 hours of study per week, making a total of 150 hours for the unit.
Class Timetable
Assessment Overview
Assessment Grading
This is a graded unit: your overall grade will be calculated from the marks or grades for each assessment task, based on the relative weightings shown in the table above. You must obtain an overall mark for the unit of at least 50%, or an overall grade of ‘pass’ in order to pass the unit. If any ‘pass/fail’ tasks are shown in the table above they must also be completed successfully (‘pass’ grade). You must also meet any minimum mark requirements specified for a particular assessment task, as detailed in the ‘assessment task’ section (note that in some instances, the minimum mark for a task may be greater than 50%). Consult the University’s Grades and Results Policy for more details of interim results and final grades.
All University policies are available on the CQUniversity Policy site.
You may wish to view these policies:
- Grades and Results Policy
- Assessment Policy and Procedure (Higher Education Coursework)
- Review of Grade Procedure
- Student Academic Integrity Policy and Procedure
- Monitoring Academic Progress (MAP) Policy and Procedure – Domestic Students
- Monitoring Academic Progress (MAP) Policy and Procedure – International Students
- Student Refund and Credit Balance Policy and Procedure
- Student Feedback – Compliments and Complaints Policy and Procedure
- Information and Communications Technology Acceptable Use Policy and Procedure
This list is not an exhaustive list of all University policies. The full list of University policies are available on the CQUniversity Policy site.
Feedback, Recommendations and Responses
Every unit is reviewed for enhancement each year. At the most recent review, the following staff and student feedback items were identified and recommendations were made.
Feedback from Moodle
Have more substation design examples in the tutorials as this will help the assignment.
Some new tutorial questions will be developed relating to substation applications.
- Describe and explain the philosophy, principles, concepts and practices that are the foundation of electric power systems protection [2, 3, 5, 7, 8, 9]
- Identify, explain the scope and standing of, and apply codes, standards and manuals used to guide design and operation of electric power systems protection [2, 3, 10]
- Analyse power protection systems, modify and design such systems to solve problems and correct faults [3, 4, 5]
- Describe devices and schemes used to provide protection in power systems, explain their operation and design protection devices and schemes to operate in given situations [1, 2, 3, 4, 5]
- Identify apparatus that require protection in power systems, explain the nature of the protection they required and design protection schemes for these apparatus [1, 2, 3, 4, 5]
- Describe the types of protection required in power systems networks, explain the nature of the protection required and design protection schemes for these networks [1, 2, 3, 4, 5]
- Communicate effectively using electrical power systems protection terminology, symbols and diagrams [1, 2, 3]
- Work and learn autonomously and collaboratively to solve problems, record and communicate clearly and professionally the approach used to solve problems and the reasons for adopting such approaches to the problem [2, 6, 9, 10]
Numbers in brackets show Graduate Attributes (abbreviated) below promoted by each Learning Outcome above.
BEng GAs BEngTech GAs
1. science and engineering
2. communicate effectively
3. technical competence
4. problem solution
5. systems
6. function in teams
7. social, cultural, global and environmental
8. sustainable design and development
9. professionalism and ethics
10. lifelong learning
Alignment of Assessment Tasks to Learning Outcomes
Assessment Tasks | Learning Outcomes | |||||||
---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
1 - Written Assessment - 30% | ||||||||
2 - Online Quiz(zes) - 30% | ||||||||
3 - Examination - 40% | ||||||||
4 - Written Assessment - 0% |
Alignment of Graduate Attributes to Learning Outcomes
Graduate Attributes | Learning Outcomes | |||||||
---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
1 - Communication | ||||||||
2 - Problem Solving | ||||||||
3 - Critical Thinking | ||||||||
4 - Information Literacy | ||||||||
5 - Team Work | ||||||||
6 - Information Technology Competence | ||||||||
7 - Cross Cultural Competence | ||||||||
8 - Ethical practice | ||||||||
9 - Social Innovation | ||||||||
10 - Aboriginal and Torres Strait Islander Cultures |
Alignment of Assessment Tasks to Graduate Attributes
Assessment Tasks | Graduate Attributes | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
1 - Written Assessment - 30% | ||||||||||
2 - Online Quiz(zes) - 30% | ||||||||||
3 - Examination - 40% | ||||||||||
4 - Written Assessment - 0% |
Textbooks
There are no required textbooks.
IT Resources
- CQUniversity Student Email
- Internet
- Unit Website (Moodle)
All submissions for this unit must use the referencing style: Harvard (author-date)
For further information, see the Assessment Tasks.
p.wolfs@cqu.edu.au
Module/Topic
Protection system fundamentals
Chapter
NPAG Chapter 2; Reading Topic 1
Events and Submissions/Topic
Module/Topic
Current transformers
Chapter
NPAG Chapter 6 sections 6.4.1 to 6.4.9; Reading Topic 2
Events and Submissions/Topic
Module/Topic
Over current protection
Chapter
NPAG Chapter 9 sections 9.1 to 9.9; Reading Topic 3 pages 3-1 to 3-9.
Events and Submissions/Topic
Module/Topic
Over current protection
Chapter
NPAG Chapter 9 sections 9.10 to 9.18; Reading Topic 3 pages 3-10 to 3-19.
Events and Submissions/Topic
Work book formative feedback opportunity 1
Module/Topic
Transformer protection
Chapter
NPAG Chapter 16 sections 16.1 to 16.8
Events and Submissions/Topic
On-line class test 1 due
Module/Topic
Chapter
Events and Submissions/Topic
Module/Topic
Transformer protection
Chapter
NPAG Chapter 16 sections 16.9 to 16.16; Reading Topic 6.
Events and Submissions/Topic
Assignment feedback opportunity 1
Module/Topic
Distance (impedance ) protection
Chapter
NPAG Chapter 11 sections 11.1 to 11.8; Reading Topic 5 pages 5-1 to 5-9.
Events and Submissions/Topic
On-line class test 2 due
Module/Topic
Distance (impedance ) protection
Chapter
NPAG Chapter 11 sections 11.9 to 11.13; Chapter 12. Reading Topic 5 pages 5-20 to 5-33.
Events and Submissions/Topic
Assignment feedback opportunity 2
Module/Topic
Motor/Generator protection
Chapter
NPAG Chapters 17 and 19; Reading Topic 6.
Events and Submissions/Topic
Work book formative feedback opportunity 2
Module/Topic
Feeder protection
Chapter
NPAG Chapter 9 sections 9.19 to 9.21; Chapter 10.
Events and Submissions/Topic
On-line class test 3 due
Assignment feedback opportunity 3
Module/Topic
The digital substation
Chapter
NPAG Chapters 24 and 25.
Events and Submissions/Topic
Assignment Due
Module/Topic
Review
Chapter
Events and Submissions/Topic
Module/Topic
Chapter
Events and Submissions/Topic
Module/Topic
Chapter
Events and Submissions/Topic
1 Written Assessment
Review and analyse selected features of an integrated zone substation protection system. The major technical deliverables are: A simplified protection diagram; The identification of suitable protection zones; Determining suitable protection schemes within each zone; Identifying suitable commercial equipment; Demonstrating that the actions of the protection schemes are co-ordinated; Determining specified key parameters for protection equimentpmentpment. Students will present an engineering report that includes a Simplified Protection Diagram; A Design Summary and a Main Body. Page limits apply.
Three optional formative feedback opportunities on specific assignment tasks are available in weeks six, eight and ten.
This is a team based assessment. The preferred team size is two. Where circumstances exist, the team size can vary. Teams can self-select their members and must advise the lecturer of the team membership via email before the end of week two. For team based assignments will be submitted with a written statement outlining the contribution of each team member.
The full assignment document is available through Moodle before the start of the term. ment .; Determn
Submit on line
Returned on line.
The Simplified Protection Diagram
It is acceptable to hand draw the diagram (CAD can take time). The diagram should show clearly:
The primary plant – transformers, breakers and busbars
- The CT and VT locations
- The protection relays with a single line connection to their inputs (generally CTs and VTs) and outputs (circuit breaker operating coils). Show the IEEE device numbers on the relays.
To achieve clarity of presentation the simplified drawing can omit:
Interconnections between the relays;
- The relay tables;
- Details of the housekeeping power supplies.
Design Summary
The design summary would be expected to refer to the protection diagram. It should:
- Identify the protection zones;
-
For each protection zone specify:
- The protection schemes to be applied;
- How backup protection is achieved;
- The placement of CTs and VTs;
- Provide the basic ratings for CTs and VTs;
- For overcurrent protection schemes only, give suitable relay settings.
Main Body
Provide an overview of the protection zones and protection schemes;
-
For each protection zone your plan will specify:
- Provide a brief rationale for the selection of the scheme(s);
- Provide a brief rationale the placement of CTs and VTs;
- Outline the calculations for the ratings of CTs and VTs;
- Outline the calculations for overcurrent relay settings;
- Provide recommendations for suitable commercial relays.
- For each protection zone, give at least two examples of how the protection system will safely and reliably detect and isolate faults within the protection zone. One fault will be a earth fault, one fault will be a line to line fault;
- For each protection zone, give at least one example of how the protection system will discriminate against a fault outside of the protection zone.
This is a team based assignment.
- Describe and explain the philosophy, principles, concepts and practices that are the foundation of electric power systems protection [2, 3, 5, 7, 8, 9]
- Identify, explain the scope and standing of, and apply codes, standards and manuals used to guide design and operation of electric power systems protection [2, 3, 10]
- Analyse power protection systems, modify and design such systems to solve problems and correct faults [3, 4, 5]
- Describe devices and schemes used to provide protection in power systems, explain their operation and design protection devices and schemes to operate in given situations [1, 2, 3, 4, 5]
- Identify apparatus that require protection in power systems, explain the nature of the protection they required and design protection schemes for these apparatus [1, 2, 3, 4, 5]
- Describe the types of protection required in power systems networks, explain the nature of the protection required and design protection schemes for these networks [1, 2, 3, 4, 5]
- Communicate effectively using electrical power systems protection terminology, symbols and diagrams [1, 2, 3]
- Work and learn autonomously and collaboratively to solve problems, record and communicate clearly and professionally the approach used to solve problems and the reasons for adopting such approaches to the problem [2, 6, 9, 10]
- Communication
- Problem Solving
- Critical Thinking
- Team Work
- Ethical practice
2 Online Quiz(zes)
Three on line quizzes covering weeks 1-4; 5-6 and 7-9. Most questions are multiple choice and most questions require some calculations to select a correct answer. Several attempts at each quiz are allowed but at each attempt new (but similar) questions are presented. Quizzes contain between ten and twenty questions. Most students will require less than one hour to complete a quiz attempt.
3
Other
As stated in the weekly schedule.
Marks will be available in the Moodle on completion of the quiz.
The three quizzes total 30 marks. Ten marks per quiz.
- Identify, explain the scope and standing of, and apply codes, standards and manuals used to guide design and operation of electric power systems protection [2, 3, 10]
- Analyse power protection systems, modify and design such systems to solve problems and correct faults [3, 4, 5]
- Describe devices and schemes used to provide protection in power systems, explain their operation and design protection devices and schemes to operate in given situations [1, 2, 3, 4, 5]
- Describe the types of protection required in power systems networks, explain the nature of the protection required and design protection schemes for these networks [1, 2, 3, 4, 5]
- Problem Solving
3 Written Assessment
Your work book should contain the worked solutions to the weekly tutorials and exercises. The workbook is also used to record work performed while completing your substation design assignment. This will include calculations and diagrams.
Previous years have shown a strong direct correlation between the quality of the workbook submission and the final exam result. There are several key skills that are centrally important for a power systems protection engineer. Practice is required to ensure standard calculations can be performed reliably.The workbook task is intended to encourage students to undertake sufficient practice to ensure that standard protection methods can be properly applied.
Feedback will be given online
Content - reasonable attempts should be present for 75% tutorial activities and in support of the protection assignment. The work book should illustrate a capacity to perform calculations accurately, with an understanding of significant figures and with the correct use of the SI engineering units. Scan the workbook to produce a single PDF for submission.
A optional formative feedback opportunity will be available at the end of weeks 4 and 9. Students will be able to submit their workbooks for informal (non-graded) feedback and guidance.
The workbook submissions are made on an individual basis.
- Describe and explain the philosophy, principles, concepts and practices that are the foundation of electric power systems protection [2, 3, 5, 7, 8, 9]
- Identify, explain the scope and standing of, and apply codes, standards and manuals used to guide design and operation of electric power systems protection [2, 3, 10]
- Analyse power protection systems, modify and design such systems to solve problems and correct faults [3, 4, 5]
- Describe devices and schemes used to provide protection in power systems, explain their operation and design protection devices and schemes to operate in given situations [1, 2, 3, 4, 5]
- Identify apparatus that require protection in power systems, explain the nature of the protection they required and design protection schemes for these apparatus [1, 2, 3, 4, 5]
- Describe the types of protection required in power systems networks, explain the nature of the protection required and design protection schemes for these networks [1, 2, 3, 4, 5]
- Communicate effectively using electrical power systems protection terminology, symbols and diagrams [1, 2, 3]
- Work and learn autonomously and collaboratively to solve problems, record and communicate clearly and professionally the approach used to solve problems and the reasons for adopting such approaches to the problem [2, 6, 9, 10]
- Communication
- Problem Solving
- Critical Thinking
Examination
Calculator - non-programmable, no text retrieval, silent only
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Any assessable work undertaken or submitted for review or assessment must be your own work. Assessable work is any type of work you do to meet the assessment requirements in the unit, including draft work submitted for review and feedback and final work to be assessed.
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What is a breach of academic integrity?
A breach of academic integrity includes but is not limited to plagiarism, self-plagiarism, collusion, cheating, contract cheating, and academic misconduct. The Student Academic Integrity Policy and Procedure defines what these terms mean and gives examples.
Why is academic integrity important?
A breach of academic integrity may result in one or more penalties, including suspension or even expulsion from the University. It can also have negative implications for student visas and future enrolment at CQUniversity or elsewhere. Students who engage in contract cheating also risk being blackmailed by contract cheating services.
Where can I get assistance?
For academic advice and guidance, the Academic Learning Centre (ALC) can support you in becoming confident in completing assessments with integrity and of high standard.