{"title":"单相逆变器的谐域阻抗建模和稳定性分析","authors":"Longxiang You, Sicong Jin, Xin Zhang, Fang Wu, Yongmao Wang, Peng Li","doi":"10.1109/ICPECA60615.2024.10471156","DOIUrl":null,"url":null,"abstract":"In hybrid AC/DC grids, a bus conversion system comprising of electromagnetic interference (EMI) filters and bidirectional converters is required to ensure energy transmission between DC and AC buses. However, the cascaded system often introduces additional stability problems, which impede the reliable operation of hybrid AC/DC grids. To solve the problem, this paper investigates the cascaded stability of the bus conversion system in hybrid AC/DC grids, and the input impedance of a single-phase inverter is modeled using the harmonic linearization method. The Middlebrook criterion is utilized to determine system stability. Finally, a simulation model is constructed by Matlab/Simulink to validate the analysis conclusion.","PeriodicalId":518671,"journal":{"name":"2024 IEEE 4th International Conference on Power, Electronics and Computer Applications (ICPECA)","volume":"47 4","pages":"552-556"},"PeriodicalIF":0.0000,"publicationDate":"2024-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Harmonic-Domain Impedance Modeling and Stability Analysis of Single-Phase Inverters\",\"authors\":\"Longxiang You, Sicong Jin, Xin Zhang, Fang Wu, Yongmao Wang, Peng Li\",\"doi\":\"10.1109/ICPECA60615.2024.10471156\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In hybrid AC/DC grids, a bus conversion system comprising of electromagnetic interference (EMI) filters and bidirectional converters is required to ensure energy transmission between DC and AC buses. However, the cascaded system often introduces additional stability problems, which impede the reliable operation of hybrid AC/DC grids. To solve the problem, this paper investigates the cascaded stability of the bus conversion system in hybrid AC/DC grids, and the input impedance of a single-phase inverter is modeled using the harmonic linearization method. The Middlebrook criterion is utilized to determine system stability. Finally, a simulation model is constructed by Matlab/Simulink to validate the analysis conclusion.\",\"PeriodicalId\":518671,\"journal\":{\"name\":\"2024 IEEE 4th International Conference on Power, Electronics and Computer Applications (ICPECA)\",\"volume\":\"47 4\",\"pages\":\"552-556\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-01-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2024 IEEE 4th International Conference on Power, Electronics and Computer Applications (ICPECA)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICPECA60615.2024.10471156\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2024 IEEE 4th International Conference on Power, Electronics and Computer Applications (ICPECA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPECA60615.2024.10471156","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Harmonic-Domain Impedance Modeling and Stability Analysis of Single-Phase Inverters
In hybrid AC/DC grids, a bus conversion system comprising of electromagnetic interference (EMI) filters and bidirectional converters is required to ensure energy transmission between DC and AC buses. However, the cascaded system often introduces additional stability problems, which impede the reliable operation of hybrid AC/DC grids. To solve the problem, this paper investigates the cascaded stability of the bus conversion system in hybrid AC/DC grids, and the input impedance of a single-phase inverter is modeled using the harmonic linearization method. The Middlebrook criterion is utilized to determine system stability. Finally, a simulation model is constructed by Matlab/Simulink to validate the analysis conclusion.
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