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In this article, we propose some predictor-corrector methods and structure-preserving methods for a generator system based on the first benchmark model of subsynchronous resonance, among which the structure-preserving methods preserve a Dirac structure associated with the so-called port-Hamiltonian descriptor systems. To illustrate this, the simplified generator system in the form of index-1 differential-algebraic equations has been derived. Our analyses provide the global error estimates for a special class of structure-preserving methods called Gauss methods, which guarantee their superior performance over the PSCAD\/EMTDC and the predictor-corrector methods in terms of computational stability. Numerical simulations are implemented to verify the effectiveness and advantages of our methods.<\/jats:p>","DOI":"10.1177\/00375497241231986","type":"journal-article","created":{"date-parts":[[2024,2,28]],"date-time":"2024-02-28T00:22:36Z","timestamp":1709079756000},"page":"595-611","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Effective numerical simulations of synchronous generator system"],"prefix":"10.1177","volume":"100","author":[{"given":"Jiawei","family":"Zhang","sequence":"first","affiliation":[{"name":"LSEC, ICMSEC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, China"},{"name":"School of Mathematical Sciences, University of Chinese Academy of Sciences, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aiqing","family":"Zhu","sequence":"additional","affiliation":[{"name":"LSEC, ICMSEC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, China"},{"name":"School of Mathematical Sciences, University of Chinese Academy of Sciences, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Feng","family":"Ji","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Advanced Transmission Technology, State Grid Smart Grid Research Institute Co., Ltd, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chang","family":"Lin","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Advanced Transmission Technology, State Grid Smart Grid Research Institute Co., Ltd, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3301-3487","authenticated-orcid":false,"given":"Yifa","family":"Tang","sequence":"additional","affiliation":[{"name":"LSEC, ICMSEC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, China"},{"name":"School of Mathematical Sciences, University of Chinese Academy of Sciences, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2024,2,27]]},"reference":[{"key":"bibr1-00375497241231986","volume-title":"Power system stability and control","author":"Kundur P","year":"1994"},{"key":"bibr2-00375497241231986","first-page":"3","volume":"40","author":"Xu Z","year":"2020","journal-title":"Electr Power Autom Equip"},{"key":"bibr3-00375497241231986","first-page":"2213","volume":"38","author":"Dong Y","year":"2018","journal-title":"Proc CSEE"},{"key":"bibr4-00375497241231986","doi-asserted-by":"publisher","DOI":"10.1109\/TPWRS.2012.2196450"},{"key":"bibr5-00375497241231986","volume-title":"Power systems electromagnetic transients simulation","author":"Watson N","year":"2019","edition":"2"},{"key":"bibr6-00375497241231986","doi-asserted-by":"publisher","DOI":"10.1109\/TPAS.1969.292459"},{"key":"bibr7-00375497241231986","volume-title":"EMTP theory book","author":"Dommel HW","year":"1992","edition":"2"},{"key":"bibr8-00375497241231986","doi-asserted-by":"publisher","DOI":"10.1049\/iet-smt.2017.0434"},{"key":"bibr9-00375497241231986","first-page":"2286","volume":"42","author":"Ji F","year":"2022","journal-title":"Proc CSEE"},{"key":"bibr10-00375497241231986","unstructured":"Ji F, Gao L, Lin C, et al. 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