Last Updated | S022024 |
MEE607
Unit Name | POWER QUALITY AND MITIGATION |
Unit Code | MEE607 |
Unit Duration | 12 weeks |
Award |
Master of Engineering (Electrical Systems ) Duration: 2 years |
Year Level | Two |
Unit Creator / Reviewer | Prof Akhtar kalam ( Ian Bitterlin / Steve Steyn) / Dr Munira Batool |
Core/Elective: | Core |
Pre/Co-requisites | None |
Credit Points |
3 Masters total course credit points = 48 (3 credits x 12 ( units )+12 credits (Thesis)) |
Mode of Delivery | Online or on-campus. |
Unit Workload |
10 hours per week: lecture - 1 hour Tutorial Lecture - 1 hours Practical / Lab - 1 hour ( where applicable ) Personal Study recommended - 7 hours ( guided and unguided )
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Unit Description and General Aims
In this unit, students will acquire in depth knowledge on the fundamental mathematical and theoretical principles to analyse and define Power Quality parameters, the skills to model these phenomena in the time-domain and then to use field data in the benchmarking of PQ requirements against an international or national standard. Students will learn how to mitigate a specific PQ concern and conduct a techno-economic validation of the solution.
This unit covers all aspects of power system engineering from transmission and distribution level analyses to end-user problems. The unit aims to ensure that power engineering students can develop solutions to power quality problems of electrical machines and power systems, from gaining knowledge of modelling, simulation and measuring techniques for transformers, machines, capacitors and power systems.
Learning Outcomes
On successful completion of this Unit, students are expected to be able to:
- Demonstrate understanding of theoretical knowledge on electrical power quality.
Bloom’s Level 2
- Measure first-order harmonic distortion in harmonic current and linear source impedance.
Bloom’s Level 5
- Design and develop power system simulation models in the time-domain to study PQ issues commonly occurred in actual power networks.
Bloom’s Level 6
- Develop advanced waveform analysis methods in a mathematical software package using simulation data
Bloom’s Level 6
- Evaluate PQ analysis results based on applicable standards, codes of practice and legislation.
Bloom’s Level 5
- Plan, and propose the most appropriate approaches to mitigate the PQ issues.
Bloom’s Level 6
Student Assessment
Assessment Type (e.g. Assignment - 2000 word essay (specify topic) Examination (specify length and format)) |
When assessed (eg After Topic 5) |
Weighting (% of total unit marks) | Learning Outcomes Assessed |
Assessment 1 Type: Multi-choice test Description: Students will need to complete multiple-choice quiz questions to demonstrate a good understanding of the fundamental concepts. |
After Topic 4 | 20% | 1, 2 (Topics 1 - 4) |
Assessment 2 Type: Test (Invigilated) Description: Students will need to answer some short and/or long answer questions and/or solve some numerical problems. |
After Topic 8 | 25% | 1, 2, 3, 4 (Topics 1 - 8) |
Assessment 3 Type: Research (Report) Topic examples: Detailed discussion on a state-of-the-art topic. It may also include practical simulation tasks. |
After Topic 10 | 30% | 1, 2, 3, 4, 5 (Topics 1 - 10) |
Assessment 4 Type: Practical (Report) Example: Advanced analysis of PQ data specific application of voltage waveform conditioning (active and passive) such harmonic filtering, dip and swell mitigation, flicker and unbalance mitigation, reactive power applied in improving voltage magnitude regulation. |
Final Week | 20% | All (All topics) |
Attendance / Tutorial Participation Example: Presentation, discussion, group work, exercises, self-assessment/reflection, case study analysis, application. |
Continuous | 5% | - |
Prescribed and Recommended readings
Required Textbook(s)
R. Dugan, M. McGranaghan, S. Santoso, and H.W. Beaty, Power System Harmonics, 3rd Edition, McGraw-Hill Education, 2012
Reference Materials
- Handbook of Power Quality, Angelo Bagginni (ed), Wiley, 2008
- Understanding Power Quality, Math Bollen, Wiley-IEEE Press, 2000
- Eskom Handbook on Quality of Supply
- IDC / EIT notes and Reference texts as advised.
- Other material advised during the lectures
Unit Content
One topic is delivered per contact week.
Topic 1
What Electrical Power Quality Is About
- PQ parameters
- International PQ standards (focus on IEC 61000-4-30)
- Root-cause of voltage dips, swells and fast transients i.e. spikes.
- Root-cause of poor voltage regulation, asymmetry, flicker and voltage waveform distortion.
Topic 2
Why Power Quality Is No Longer Perfect
- Why grid-integrated renewable energy is a concern to voltage quality.
- The electricity revolution: microgrids and smart distribution networks
- Supra-harmonics: What and from where.
- Introduction to time-domain modelling
Topic 3
Theory and Application in Voltage Dips - 1
- The measurement and reporting of voltage dips
- Analysis of voltage dip data
- Voltage waveform event analysis (dips, swells, fast transients, spikes)
- Voltage waveform incidents (time aggregation of dips and swells)
- Voltage regulation using Distribution Static Synchronous Compensator (D-STATCOM)
Topic 4
Theory and Application in Voltage Dips - 2
- Benchmarking of voltage dip performance
- Phase-angle jumps during voltage dips
- Practical analysis:
- Modelling
- Case study on field data
- Voltage control using FACTS devices i.e. unified power flow controller (UPFC)
Topic 5
Theory of Steady-State Voltage Waveform Quality
- The measurement and reporting of voltage waveform quality
- Waveform analysis
- Asymmetry: Theory and calculation of voltage unbalance factors
- Flicker: The IEC flicker meter: IEC 61000-4-15
- Voltage waveform distortion: from Fourier to voltage THD
Topic 6
Application of Steady-State Voltage Waveform Quality
- Nonsinusoidal power definitions: The IEEE 1459-2010
- Power factor definitions: the arithmetic, trigonometric, effective and positive sequence PF.
- Resonant amplification of voltage harmonics
- Practical analysis:
- Modelling
- Case study on field data
Topic 7
Harmonic, Flicker and Unbalance Emission - 1
- On the localisation of sources of waveform harmonic distortion: theoretical and metrology considerations
- The propagation of voltage harmonics, - flicker and unbalance.
Topic 8
Harmonic, Flicker and Unbalance Emission - 2
- Measurement uncertainty of harmonics
- Assessment of harmonic, unbalance and flicker emission.
- Practical analysis:
- Modelling
- Case study on field data
Topic 9
Mitigation of Poor Voltage Quality - 1
- Conductor resistance, cross-section and impedance
- Neutral conductor amperage
- K-rated distribution transformers
- Isolation transformers
Topic 10
Mitigation of Poor Voltage Quality - 2
- Voltage dip mitigation
- Unbalance mitigation
- Flicker mitigation
Topic 11
Mitigation of Poor Voltage Quality - 3
- Passive filters: harmonics
- Active filters: harmonics
- Practical Case Study on Passive Filters
Topic 12
- Practical Case Study on Active Filters
- Unit Revision
In the final week students will have an opportunity to review the contents covered so far. Opportunity will be provided for a review of student work, to clarify any outstanding issues, and to work on finalising the major assessment report.
Engineers Australia
The Australian Engineering Stage 1 Competency Standards for the Professional Engineer, approved as of 2013. This table is referenced in the mapping of graduate attributes to learning outcomes and via the learning outcomes to student assessment.
Stage 1 Competencies and Elements Competency | |
1. | Knowledge and Skill Base |
1.1 | Comprehensive, theory based understanding of the underpinning natural and physical sciences and the engineering fundamentals applicable to the engineering discipline. |
1.2 | Conceptual understanding of the mathematics, numerical analysis, statistics, and computer and information sciences which underpin the engineering discipline. |
1.3 | In-depth understanding of specialist bodies of knowledge within the engineering discipline. |
1.4 | Discernment of knowledge development and research directions within the engineering discipline. |
1.5 | Knowledge of engineering design practice and contextual factors impacting the engineering discipline. |
1.6 | Understanding of the scope, principles, norms, accountabilities and bounds of sustainable engineering practice in the specific discipline. |
2. | Engineering Application Ability |
2.1 | Application of established engineering methods to complex engineering problem solving. |
2.2 | Fluent application of engineering techniques, tools and resources. |
2.3 | Application of systematic engineering synthesis and design processes. |
2.4 | Application of systematic approaches to the conduct and management of engineering projects. |
3. | Professional and Personal Attributes |
3.1 | Ethical conduct and professional accountability. |
3.2 | Effective oral and written communication in professional and lay domains. |
3.3 | Creative, innovative and pro-active demeanour. |
3.4 | Professional use and management of information. |
3.5 | Orderly management of self and professional conduct. |
3.6 | Effective team membership and team leadership. |
Software/Hardware Used
Software
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Software: PowerFactory; PSSE
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Version: N/A
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Instructions: N/A
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Additional resources or files: N/A
Hardware
- N/A