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J. Model. Simul. Sci. Comput."],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:p> Power systems, including synchronous generator systems, are typical systems that strive for stable operation. In this paper, we numerically study the fault transient process of a synchronous generator system based on the first benchmark model. That is, we make it clear whether an originally stable generator system can restore its stability after a short time of unstable transient process. To achieve this, we construct a structure-preserving method and compare it with the existing and frequently-used predictor\u2013corrector method. We newly establish a reductive form of the circuit system and accelerate the reduction process. Also a switching method between two stages in the fault transient process is given. Numerical results show the effectiveness and reliability of our method. <\/jats:p>","DOI":"10.1142\/s1793962325500291","type":"journal-article","created":{"date-parts":[[2025,3,1]],"date-time":"2025-03-01T03:31:02Z","timestamp":1740799862000},"source":"Crossref","is-referenced-by-count":1,"title":["Effective numerical simulation of fault transient system"],"prefix":"10.1142","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-3001-2680","authenticated-orcid":false,"given":"Sixu","family":"Wu","sequence":"first","affiliation":[{"name":"State Key Laboratory of Advanced Power Transmission Technology, Beijing 102209, P. R. China"},{"name":"LSEC, ICMSEC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, P. R. China"},{"name":"School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049, P. R. 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