A Holistic Fuzzy Measure for Load Priority in Under Frequency Load Shedding Schemes

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Abstract

Electrical Power Systems should be designed in order to minimize the effects of system disturbances and to enable decision-making based on different configurations and relevant priority analysis. Automatic Under Frequency Load Shedding is a known effective solution to the problem of contingencies in the electrical power grid and it is the last resource to mitigate the damage caused by severe and unexpected contingencies. However, to the best of our knowledge, the load priority configuration, which have been presented so far in load shedding process do not take into account some important aspects, such as social, economic or political importance of the connected loads, as well as how negative is the impact on the public image of power utilities when disconnecting specific load branches. This paper aims to provide a general priority holistic function which can be applied to different load shedding schemes, independent of the adopted philosophy and operating principles. The proposed ranking is developed using a Fuzzy system for load priority classification that takes several aspects into consideration. To illustrate the method, an electrical power system was simulated, comparing a traditional load shedding scheme with two different sets of load priorities and evaluated by the proposed metric.
Original languageEnglish
Title of host publicationProceedings of the 2018 International Symposium on Advanced Electrical and Communication Technologies (ISAECT)
EditorsMounir Arioua, Boulmalef Mohammed, Mohamed Nabil Srifi
Number of pages6
PublisherIEEE
Publication date2018
ISBN (Print)978-1-5386-7329-4
ISBN (Electronic)978-1-5386-7328-7
DOIs
Publication statusPublished - 2018
Event2018 International Symposium on Advanced Electrical and Communication Technologies - Rabat, Morocco
Duration: 21. Nov 201823. Nov 2018

Conference

Conference2018 International Symposium on Advanced Electrical and Communication Technologies
CountryMorocco
CityRabat
Period21/11/201823/11/2018

Keywords

  • Under-frequency Load Shedding
  • Load Priority
  • Fuzzy Systems
  • Smart Grids

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