Inter-area oscillations of power systems

Reference no: EM131918836

Inter-Area Oscillations of Power Systems

Integration of renewable energy sources in the existing electrical power system and increased interconnection of power systems can in many cases result in long distant power transfers between the parts of the grid.

Such power transfer carries the potential risk of low frequency electromechanical oscillations in the power grid. This kind of oscillatory behaviour is characteristic of the systems with a number of synchronous generators connected in the grid. Those, so called, inter-area oscillations occur frequently in power networks and are usually stable.

Oscillations can however have low damping ratios and can severely limit transfer capacities of the network. In some cases, damping ratios can even be negative and oscillations can grow out of control leading to grid reliability issues and potentially large-scale blackouts. A number of those events have been recorded in the past.

For this coursework, you should investigate the phenomenon of inter-area oscillations and produce a report on your findings in the form of short review type research paper.

Submit your report as a single PDF type file and attach any developed Matlab code or data to it. Your paper should be written in the IEEE format with the maximum length of 6 pages and not more than approximately 2000 words. You can make use of IEEE paper template and instructions provided in the IEEE template.

In the report, you should briefly introduce the problem, list and describe relevant and up to date research publications on the subject and, if possible, at the same time critically evaluate those works and identify potential gaps in the research literature.

Further, your report should describe suitable techniques (methods or algorithms) for dealing with the problem of inter-area oscillation. Here, you can consider either measurement, detection, analysis and/or techniques for preventing or reducing their occurrence.

Optionally, (for higher mark) you can include the section where a particular case of inter-area oscillations in the power system will be studied in more details. This could contain available oscillation data measured in some particular grid or, preferably, your own simulation (using Matlab or some other suitable package) of a system and oscillations in the system. Results of your simulations should be presented and described.

Discussion and conclusions of achieved results should be given at the end of your report/paper followed by the list of references and appendices if used. The report, as well as referencing should be written in the format and style specified by IEEE.

You can work individually or in groups of maximum two (2) students. If you do work in a group, your submission should include a short statement outlining the contribution of each author to the work presented in the paper.

This statement should be included in the "Acknowledgement" section towards the end of the paper before the list of references.

Reference no: EM131918836

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Reviews

len1918836

3/28/2018 5:53:13 AM

0-39% (Fail) • insufficient research, and a very limited or flawed knowledge of the relevant field • insufficient evidence of any insight and critical analysis • lack of focus, structure, and argument • the prose may be unclear and difficult to comprehend, and there may be serious and frequent errors of syntax or expression • insufficient acknowledgment and referencing of material used

len1918836

3/28/2018 5:53:06 AM

50-59% (Pass) • a sufficient range of research, showing a competent knowledge of the relevant field • some evidence of insight and critical analysis • an identifiable focus and structure, with some argument • presented with sufficient clarity to be comprehensible throughout, though there may be some errors of syntax or expression • material used is referenced and a bibliography supplied, but disciplinary conventions may not be fully observed 40-49% (Fail) • evidence of relevant research, but with a limited or flawed knowledge of the relevant field • little evidence of insight and critical analysis • lack of clarity of focus and structure, and an inadequate argument • presented with sufficient clarity to be generally comprehensible, though there may be errors of syntax or expression • material used is referenced, but disciplinary conventions may not be fully or properly observed

len1918836

3/28/2018 5:52:57 AM

70-79% (Distinction) • an outstanding depth and breadth of research, showing thorough knowledge of the relevant field • outstanding insight, critical analysis and originality, showing the potential to make a real contribution to the field of study • an excellent and well-defined focus, clear structure and very good quality of argument • clearly presented and well written, with no significant errors of syntax or expression • referencing and bibliographical conventions accurately followed 60-69% (Merit) • a good range of research, showing a good level of knowledge of the relevant field • a good level of insight and critical analysis • a well-defined focus, clear structure and cogent argument • clearly presented and comprehensible throughout, with very few significant errors of syntax or expression • referencing and bibliographical conventions adequately followed

len1918836

3/28/2018 5:52:50 AM

Marking Scheme 80% and above (Distinction) • an outstanding depth and breadth of research, showing exceptional and thorough knowledge of the relevant field • exceptional insight, critical analysis and originality, such as might make the work of comparable quality with published work in its field • an excellent and well-defined focus, clear structure and outstanding quality of argument • clearly presented and well written, with no significant errors of syntax or expression • referencing and bibliographical conventions accurately followed, to the professional standards of the discipline

len1918836

3/28/2018 5:52:38 AM

Your work will be peer assessed by your classmates. Feedback provided by them will be included in your final feedback for the submitted work. Peer marking will contribute 10% to your final coursework mark. Your feedback should be insightful and justified according to specified marking criteria. Report/Paper Content and Relative Weights (other sections and subsections could be included) Section/Aspect Marks Introduction to the Problem and Literature/Research Overview 20 Theoretical Background 20 Results and Analysis 20 Conclusions 20 Overall Impression 10 Peer Marking 10

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