Real-Time Solution of PSS Parameter Tuning by GA-ANFIS in Stabilizing the Electrical Power System

Md Shafiullah, M. I.H. Pathan, Mohammad Shoaib Shahriar*, Amjad Ali, Md Ismail Hossain, Md Shafiul Alam

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The power system industry is one of the pioneers in implementing machine learning (ML) methods which have acquired a lot of attention across various facets of contemporary life. Low-frequency oscillation (LFO) is purportedly a non-threatened but slowly poisoning concern with electrical power networks that, if not adequately addressed in a reasonable timeframe, could appear as the cause of a total network failure. The function of a well-known member of the ML family, the adaptive neuro-fuzzy inference system (ANFIS), is proposed in this paper for optimizing LFO damping in real-time in the power system networks. It adopts two power system networks, one in which the synchronous machine is equipped solely with a power system stabilizer (PSS). In the second one, PSS relates to a second-generation flexible alternating current transmission system (FACTS) device named the unified power flow controller (UPFC). The well-known genetic algorithm (GA) supports the proposed ML algorithm in generating the dataset and training them well. The designed approach is examined using various statistical performance measures and well-recognized stability performance measures, such as the minimal damping ratio, eigenvalue, and time-domain simulation. The article also includes comparing and discussing the results from the reference works to make inferences on the viability of the proposed GA-tuned ANFIS technique for improving real-time power system stability.

Original languageEnglish
Pages (from-to)6925-6938
Number of pages14
JournalArabian Journal for Science and Engineering
Issue number5
StatePublished - May 2023

Bibliographical note

Publisher Copyright:
© 2023, King Fahd University of Petroleum & Minerals.


  • Low-frequency oscillation
  • Minimum damping ratio
  • Power system stabilizer
  • Single machine infinite bus

ASJC Scopus subject areas

  • General


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