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ELEC ENG 7069 - Electric Energy Systems

North Terrace Campus - Semester 1 - 2024

Modelling and analysis of electric energy systems: single-phase and three-phase circuits (real and reactive power, per-unit systems); Electromechanical energy conversion (construction, modelling and characteristics of transformers, DC, induction and synchronous machines); Electric energy transmission and distribution (modelling of transmission lines, system analysis, control of voltage, power and frequency).

  • General Course Information
    Course Details
    Course Code ELEC ENG 7069
    Course Electric Energy Systems
    Coordinating Unit Electrical and Electronic Engineering
    Term Semester 1
    Level Postgraduate Coursework
    Location/s North Terrace Campus
    Units 3
    Contact Up to 7 hours per week
    Available for Study Abroad and Exchange Y
    Assumed Knowledge Undergraduate courses in Electrical and Electronic Engineering.
    Assessment Written exam, tutorials, online tests and practicals
    Course Staff

    Course Coordinator: Associate Professor Wen Soong

    Course Coordinator and Lecturer: Assoc.Prof Wen Soong
    Email: wen.soong@adelaide.edu.au
    Office: Ingkarni Wardli 3.53
    Phone: 8313 4117
    Course Timetable

    The full timetable of all activities for this course can be accessed from .

  • Learning Outcomes
    Course Learning Outcomes
    On successful completion of this course, students will be able to:

    1 Demonstrate understanding of electric power generation by describing and analysing conversion of energy from various sources, including thermal, solar, and wind (Comprehension).
    2 Organize and combine the fundamental major components to model an electric power system (Application).
    3 Describe and explain the basic principles of DC and AC electric machines and variable-speed drives (Comprehension).
    4 Model, analyse, and demonstrate understanding of the major components of an electric traction drive (Comprehension and Analysis).
    5 Analyse the performance of a DC motor or generator using its equivalent circuit and explain its construction, operating principles, including back-E.M.F, and efficiency (Comprehension, Analysis, and Evaluation).
    6 Analyse single and three-phase AC power circuits using phasors to determine real and reactive power flow and demonstrate power-factor correction (Analysis and Evaluation).
    7 Analyse the performance of transformers and explain concepts of the back-E.M.F equation, saturation, and iron losses (Analysis and Evaluation).
    8 Analyse the performance of an induction machine using its equivalent circuit and explain the operating principles, construction, and the concept of slip (Analysis and Evaluation).
    9 Explain and demonstrate understanding of the operating principles, construction, and performance of synchronous machines (Comprehension and Analysis).
    10 Develop practical skills through performing tests on electrical machines to determine their parameters and performance and analyse and discuss experimental results in reports (Application and Evaluation).

     
    The above course learning outcomes are aligned with the Engineers Australia . The course develops the following EA Elements of Competency to levels of introductory (A), intermediate (B), advanced (C):  
     
    1.11.21.31.41.51.62.12.22.32.43.13.23.33.43.53.6
    C C C A A B B C B B
    University Graduate Attributes

    This course will provide students with an opportunity to develop the Graduate Attribute(s) specified below:

    University Graduate Attribute Course Learning Outcome(s)

    Attribute 1: Deep discipline knowledge and intellectual breadth

    Graduates have comprehensive knowledge and understanding of their subject area, the ability to engage with different traditions of thought, and the ability to apply their knowledge in practice including in multi-disciplinary or multi-professional contexts.

    1-10

    Attribute 2: Creative and critical thinking, and problem solving

    Graduates are effective problems-solvers, able to apply critical, creative and evidence-based thinking to conceive innovative responses to future challenges.

    2, 4,5, 6, 7, 8

    Attribute 3: Teamwork and communication skills

    Graduates convey ideas and information effectively to a range of audiences for a variety of purposes and contribute in a positive and collaborative manner to achieving common goals.

    10

    Attribute 5: Intercultural and ethical competency

    Graduates are responsible and effective global citizens whose personal values and practices are consistent with their roles as responsible members of society.

    10

    Attribute 8: Self-awareness and emotional intelligence

    Graduates are self-aware and reflective; they are flexible and resilient and have the capacity to accept and give constructive feedback; they act with integrity and take responsibility for their actions.

    10
  • Learning Resources
    Online Learning
    All course announcements will be made the course website. They will be available on the course announcement board.

    The weekly online tests are conducted on the course website.

    The use of the course discussion boards is strongly encouraged for questions relating to course material. Lecturers will make a best effort to respond promptly to questions raised on the discussion boards.

    The course gradebook will be used to return continuous assessment marks. Students should check the Gradebook regularly and confirm their marks have been correctly entered.

    Audio (and if facilities are available, also video) recordings of lectures will be made available on the course website. The video recordings consist of the image displayed on the digital projector. Note some lecture theatres have two digital projectors and in this case only the content displayed on one of the projectors will be available.

    In addition, the following material will be provided on the course website at the start or during the course of the semester:
    • Lecture notes and tutorial questions
    • Past exams and quizzes
    • Additional exercise problems
  • Learning & Teaching Activities
    Learning & Teaching Modes
    The Electric Energy Systems course uses the following learning and teaching activities:

    1. Lectures: these are pre-recorded and students will need to watch on average about 3 hrs of lectures per week.

    2. Online Quizzes: these are MyUni quizzes which are done weekly and require about 2 hrs per week.

    3. Workshops: there are eight 2-hr workshops during the semester with preparation submitted before each one.  The preparation is expected to take on average about 2 hrs per workshop.

    4. Tutorials: there are five 1-hr tutorials during the course in which a more indepth discussion of the material will be given.

    5. Quiz: there is a 1.25 hr open-book test held during week 6.  At least 6 hrs of preparation is recommended.

    6. Experiments: there are three 3-hr experiments during the semester.  A time allowance of 1.5 hrs of preparation and 12 hrs for writing each of the reports is recommended.

    7. Exam: this is a 2.5 hr open-book exam.  At least 16 hrs of preparation is recommended.
    Workload

    The information below is provided as a guide to assist students in engaging appropriately with the course requirements.

    This is a 3 unit course. The University expects students to spend around 156 hours of work for a 3 unit course. This corresponds to roughly 12 hours per week. The following breakdown is a guide only. Some students will need to spend more time, some less.
    Activity Contact Hours Non-contact Hours Number Total Hours
    Lectures 1 1 (prep & revise*) 30 60
    Special Lectures 1 0 1 1
    Tutorials 1 2 (prep & revise*) 6 18
    On-line Tests 0 3 (prep & revise*) 10 30
    Practicals 3 9 (prep & write-up) 4 48
    Total 157
    * This includes time spent revising for the quizzes and the exam.
    Learning Activities Summary
    1. Introduction
    3 lectures
    Outline
    1.1 Introduction to electrical machines, mechanical and electric power, efficiency, energy costs

    2. Electric Energy Systems Analysis
    3.5 lectures
    Outline
    2.1 DC circuit analysis revision.
    2.2 AC circuit analysis: phasors, complex power (real, reactive, apparent power), real and reactive power flow, power-factor correction, equivalent series and parallel RL circuits.
    2.3 Three-phase AC circuit analysis: balanced systems, power flow, star/delta, three-phase terminology, single-phase equivalent circuit, power measurement.

    3. Electromagnetics and Transformers
    5 lectures
    Outline
    3.1 Magnetostatics: magnetic circuits, mmf, flux, reluctance, magnetic flux density, magnetic field intensity, permeability, Ampere’s law, concepts of leakage, fringing and saturation.
    3.2 Electromagnetics: flux-linkage, inductance, Faraday’s law, induced voltage, magnetic energy and force. C.3 Magnetic materials: saturation, BH loops, iron loss (eddy-current, hysteresis), permanent magnets.
    3.3 Transformers: ideal transformers, back-emf equation, practical transformers (construction, equivalent circuit, analysis).

    4. Review of Electrical Machines Basics
    1.5 lectures
    Outline
    4.1 Types of machines: DC, AC (induction, synchronous and universal), torque vs. speed curves, variable-speed operation.

    5. Review of DC Machine Analysis
    2.5 lectures
    Outline
    5.1 Linear and rotary DC machines, principles, construction, equivalent circuit analysis, torque vs. speed curves, generator and motor operation.

    6. Review of AC Machines
    1.5 lectures
    Outline
    6.1 Rotating magnetic fields, synchronous machine principles and operation, induction machine principles and operation.

    7. Induction Machines
    4 lectures
    Outline
    7.1 Applications, construction, principles, equivalent circuits, performance prediction

    8. Synchronous Machines
    4 lectures
    Outline
    8.1 Per-unit analysis: principles, base quantities, conversion, analysis.
    8.2 Synchronous machines: applications, construction, principles, equivalent circuits, performance prediction.

    9. Introduction to Power Generation and Energy Systems
    4 lectures
    Outline
    9.1 Generation, transmission, distribution and usage.
    9.2 Transmission lines: physical construction, transposition, modelling, nominal π-equivalent circuit, surge impedance loading, use of multiple phase conductors.
    9.3 Power system control: real and reactive power flow for lossless inductive line, reactive power control (effect on voltage, generators, synchronous compensators, static compensators), real power control (effect on frequency, generators).

    10. Application Lecture
    1 lecture
    Outline
    10.1 To be announced.
    Specific Course Requirements
    Laboratory clothing restrictions apply to the workshop sessions: closed-toe shoes; covered shoulders; long hair must be tied back. In addition, students must remove all hand and wrist based jewellery (including material bracelets), and must not eat or drink in the laboratories. Failure to adhere to these requirements will result in your removal from the laboratory.
  • Assessment

    The University's policy on Assessment for Coursework Programs is based on the following four principles:

    1. Assessment must encourage and reinforce learning.
    2. Assessment must enable robust and fair judgements about student performance.
    3. Assessment practices must be fair and equitable to students and give them the opportunity to demonstrate what they have learned.
    4. Assessment must maintain academic standards.

    Assessment Summary
    Assessment Task Weighting (%) Individual/ Group Formative/ Summative
    Due (week)*
    Hurdle criteria Learning outcomes
    Workshop preparation 8 Individual Formative Weeks 2-5, 8, 10-12 1-9.
    Workshop participation 4 Individual Formative Weeks 2-5, 8, 10-12 1-9.
    Test** 12 Individual Formative Week 6 6. 8.
    On-Line quizzes 8 Individual Formative Weeks 1-4, 7-12 1-9.
    Practicals 23 Individual Formative Week 6 to SwotVac Min 50% 6. 7. 8.
    Examination 45 Individual Summative Exam Period Min 40% 1-10.
    Total 100
    * The specific due date for each assessment task will be available on MyUni.
     
    This assessment breakdown is registered as an exemption to the University's . The exemption is related to the Procedures clause(s): 1. b. iii.   
     
    This course has two hurdle requirement. Meeting the specified hurdle criteria is a requirement for passing the course.


    Assessment Related Requirements
    A hurdle requirement is defined by the University's as "...an assessment task mandating a minimum level of performance as a condition of passing the course.

    The experimental component is a hurdle requirement. It is necessary to achieve at least 50% for the weighted total of the three reports. If
    this is not achieved, the total course mark will be limited to a maximum of 49.

    The examination component is also a hurdle requirement. It is necessary to achieve at least 40% for the exam. If this is not achieved, the total course mark will also be limited to a maximum of 49.

    If a student fails to meet a hurdle requirement, and is assigned a total mark for the course in the range of 45-49, then the student is entitled to an offer of additional assessment of some type. The type of assessment is to be decided by the School Assessment Review Committee when determining final results. The student’s final total mark will be entered at no more than 49% and the offer of an additional assessment will be specified eg. US01. Once the additional assessment has been completed, this mark will be included in the calculation of the total mark for the course and the better of the two results will apply. Note however that the maximum final result for a course in which a student has sat an additional assessment will be a “50 Pass”.

    If a student is unable to meet a hurdle requirement related to an assessment piece (may be throughout semester or at semester’s end) due to medical or compassionate circumstances beyond their control, then the student is entitled to an offer of replacement assessment of some type. An interim result of RP will be entered for the student, and the student will be notified of the offer of a replacement assessment. Once the replacement assessment has been completed, the result of that assessment will be included in the calculation of the total mark for the course.

    Assessment Detail
    See the notes for each assessment summary item in the table above.
    Submission
    There will be a late penalty of 10% of the maximum mark per day (or part of) for the experimental reports.  There will be a penalty of 10% of the maximum mark for not attending your scheduled experiment session without prior approval or acceptable reason.

    All formative assessments will be targeted to have a two-week turn-around time for provision of feedback to students.
    Course Grading

    Grades for your performance in this course will be awarded in accordance with the following scheme:

    M10 (Coursework Mark Scheme)
    Grade Mark Description
    FNS   Fail No Submission
    F 1-49 Fail
    P 50-64 Pass
    C 65-74 Credit
    D 75-84 Distinction
    HD 85-100 High Distinction
    CN   Continuing
    NFE   No Formal Examination
    RP   Result Pending

    Further details of the grades/results can be obtained from Examinations.

    Grade Descriptors are available which provide a general guide to the standard of work that is expected at each grade level. More information at Assessment for Coursework Programs.

    Final results for this course will be made available through .

  • Student Feedback

    The University places a high priority on approaches to learning and teaching that enhance the student experience. Feedback is sought from students in a variety of ways including on-going engagement with staff, the use of online discussion boards and the use of Student Experience of Learning and Teaching (SELT) surveys as well as GOS surveys and Program reviews.

    SELTs are an important source of information to inform individual teaching practice, decisions about teaching duties, and course and program curriculum design. They enable the University to assess how effectively its learning environments and teaching practices facilitate student engagement and learning outcomes. Under the current SELT Policy (http://www.adelaide.edu.au/policies/101/) course SELTs are mandated and must be conducted at the conclusion of each term/semester/trimester for every course offering. Feedback on issues raised through course SELT surveys is made available to enrolled students through various resources (e.g. MyUni). In addition aggregated course SELT data is available.

  • Student Support
  • Policies & Guidelines
  • Fraud Awareness

    Students are reminded that in order to maintain the academic integrity of all programs and courses, the university has a zero-tolerance approach to students offering money or significant value goods or services to any staff member who is involved in their teaching or assessment. Students offering lecturers or tutors or professional staff anything more than a small token of appreciation is totally unacceptable, in any circumstances. Staff members are obliged to report all such incidents to their supervisor/manager, who will refer them for action under the university's student鈥檚 disciplinary procedures.

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