{"title":"海上风电用高增益输出整流器DC-DC升压变换器动态性能及小信号分析","authors":"Mehdi Abbasi, J. Lam","doi":"10.1109/EPEC.2017.8286216","DOIUrl":null,"url":null,"abstract":"This paper presents the modeling and dynamic analysis of a DC-DC step-up soft switching converter with high-gain high-frequency output rectifier for medium voltage (MV) DC grid for offshore wind energy systems. First, the dynamic model of the converter with duty ratio control is discussed. Then a modified phasor transformation of the circuit is presented for the DC/DC step-up converter with variable frequency control. Analytical expression of the system transfer function is also provided to design the close-loop control system. Simulation results are given to verify the analytical analysis and the equivalent circuit model of the circuit on a 2.5kV/25kV, 500kW converter system.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"229 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Dynamic performance and small-signal analysis of a DC-DC step-up converter with high-gain output rectifier for offshore wind turbines\",\"authors\":\"Mehdi Abbasi, J. Lam\",\"doi\":\"10.1109/EPEC.2017.8286216\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents the modeling and dynamic analysis of a DC-DC step-up soft switching converter with high-gain high-frequency output rectifier for medium voltage (MV) DC grid for offshore wind energy systems. First, the dynamic model of the converter with duty ratio control is discussed. Then a modified phasor transformation of the circuit is presented for the DC/DC step-up converter with variable frequency control. Analytical expression of the system transfer function is also provided to design the close-loop control system. Simulation results are given to verify the analytical analysis and the equivalent circuit model of the circuit on a 2.5kV/25kV, 500kW converter system.\",\"PeriodicalId\":141250,\"journal\":{\"name\":\"2017 IEEE Electrical Power and Energy Conference (EPEC)\",\"volume\":\"229 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 IEEE Electrical Power and Energy Conference (EPEC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/EPEC.2017.8286216\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE Electrical Power and Energy Conference (EPEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EPEC.2017.8286216","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dynamic performance and small-signal analysis of a DC-DC step-up converter with high-gain output rectifier for offshore wind turbines
This paper presents the modeling and dynamic analysis of a DC-DC step-up soft switching converter with high-gain high-frequency output rectifier for medium voltage (MV) DC grid for offshore wind energy systems. First, the dynamic model of the converter with duty ratio control is discussed. Then a modified phasor transformation of the circuit is presented for the DC/DC step-up converter with variable frequency control. Analytical expression of the system transfer function is also provided to design the close-loop control system. Simulation results are given to verify the analytical analysis and the equivalent circuit model of the circuit on a 2.5kV/25kV, 500kW converter system.
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