Implementation of GUI in the determination of critical clearing angle using the OMIB and equal area criterion

Nur Ashida Salim, Ahmad Asri Abd Samat, Muhammad Murtadha Othman, Hasmaini Mohamad, Nur Fadilah Ab Aziz, Nur Azzammudin Rahmat

Research output: Contribution to journalArticle

Abstract

This paper presents the transient stability analysis (TSA) in a power system based on one machine infinite bus (OMIB) and equal area criterion (EAC) method. A typical power system network consists of numerous components such as generators, transformers, interconnected lines and loads. Due to the enormous number of electrical components in a power system, it is difficult to perform the TSA for the entire network. Therefore, this research proposes a TSA by using one machine infinite bus (OMIB) technique. The main purpose to use OMIB is due to the fact that it could minimize the multi-machine in the network by facilitate the original large-scale system to dynamic equivalent model. The propose technique classify the multi-machine system into two groups which are: critical machines and non-critical machines, which is then reduced to only one machine infinite bus system (OMIB). This paper also presents the analysis of critical clearing angle (CCA) where it is the maximum change in the load angle curve before clearing the fault without loss of generator synchronism. Three phase fault conditions which are; prefault, during fault and post-fault conditions are used in the transmission line via the equal area criterion (EAC) method. This method could identify whether the condition may cause to system instability if there is a sudden load increase to the system. The main objective to perform CCA analysis is to identify the value of rotor angle that is important and could be set as a benchmark to the protection relay in order to maintain the transient stability during fault condition. This paper also proposes a monitoring mechanism by using graphical user interface (GUI) to monitor the CCA at different system loading condition. The IEEE RTS-79 is used to validate the robustness of the proposed methodology in determining the CCA.

Original languageEnglish
Pages (from-to)115-130
Number of pages16
JournalJournal of Electrical Systems
Volume14
Issue number3
Publication statusPublished - 01 Sep 2018

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Graphical user interfaces
Relay protection
Large scale systems
Electric lines
Synchronization
Rotors
Monitoring

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Electrical and Electronic Engineering

Cite this

Salim, Nur Ashida ; Abd Samat, Ahmad Asri ; Othman, Muhammad Murtadha ; Mohamad, Hasmaini ; Ab Aziz, Nur Fadilah ; Rahmat, Nur Azzammudin. / Implementation of GUI in the determination of critical clearing angle using the OMIB and equal area criterion. In: Journal of Electrical Systems. 2018 ; Vol. 14, No. 3. pp. 115-130.
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Implementation of GUI in the determination of critical clearing angle using the OMIB and equal area criterion. / Salim, Nur Ashida; Abd Samat, Ahmad Asri; Othman, Muhammad Murtadha; Mohamad, Hasmaini; Ab Aziz, Nur Fadilah; Rahmat, Nur Azzammudin.

In: Journal of Electrical Systems, Vol. 14, No. 3, 01.09.2018, p. 115-130.

Research output: Contribution to journalArticle

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