{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T07:07:21Z","timestamp":1777705641129,"version":"3.51.4"},"reference-count":26,"publisher":"SAGE Publications","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IFS"],"published-print":{"date-parts":[[2023,4,3]]},"abstract":"<jats:p>In order to improve the accuracy and reliability of fault diagnosis of oil-immersed power transformers, a fault diagnosis method based on the Modified Artificial Gorilla Troops Optimizer (MGTO) and the Stochastic Configuration Networks with Block Increments (BSCN) is proposed. First, the original artificial gorilla troop optimization algorithm is improved, which effectively improves the convergence speed and optimization accuracy of the algorithm. Secondly, the conventional Stochastic Configuration Networks (SCN) learning methodology is modified when the fault diagnosis model is constructed. The original SCN adopts point incremental approach to gradually add hidden nodes, while BSCN adopts block increment approach to learn features. It significantly accelerates training. MGTO algorithm is used to jointly optimize regularization parameter and scale factor in BSCN model, and the fault diagnosis model with the highest accuracy is constructed. The experimental results show that the accuracy of MGTO-BSCN for transformer fault diagnosis reaches 95.9%, which is 3.5%, 9.9% and 11.7% higher than BSCN fault diagnosis models optimized by GTO, Grey Wolf Optimizer (GWO) and Particle Swarm Optimization (PSO) respectively, reflecting the superiority of MGTO algorithm. Meanwhile, the comparison with the traditional model shows that the proposed method has obvious advantages in diagnostic effect.<\/jats:p>","DOI":"10.3233\/jifs-223443","type":"journal-article","created":{"date-parts":[[2023,1,13]],"date-time":"2023-01-13T12:21:09Z","timestamp":1673612469000},"page":"6021-6034","source":"Crossref","is-referenced-by-count":2,"title":["Fault diagnosis of oil-immersed transformer based on MGTO-BSCN"],"prefix":"10.1177","volume":"44","author":[{"given":"Lingzhi","family":"Yi","sequence":"first","affiliation":[{"name":"College of Automation and Electronic Information, Xiangtan University, Xiangtan, Hunan, P.R. China"},{"name":"Hunan Engineering Research Center of Multi-energy Cooperative Control Technology, Xiangtan, Hunan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiao","family":"Long","sequence":"additional","affiliation":[{"name":"College of Automation and Electronic Information, Xiangtan University, Xiangtan, Hunan, P.R. 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