{"title":"一种用于MTDC输电系统多尺度暂态仿真的MMC-VSC新模型","authors":"Ye Hua, Yanan Tang, Z. Qi","doi":"10.1109/APPEEC.2016.7779582","DOIUrl":null,"url":null,"abstract":"A novel model for the simulation of diverse transients covering multiple time-scales for modular multilevel converter (MMC)-based voltage source converter (VSC) is presented. It makes use of the method of shifted frequency analysis (SFA) in which the carrier with a frequency of 50 or 60 Hz is removed at VSC ac-side system. Using the SFA, an average-value model (AVM)-based MMC-VSC multi-scale transient model is developed, resulting in a flexible simulation of electromechanical and electromagnetic transients (EMT) by adjusting the time-step sizes. This can also be achieved in the multi-terminal DC (MTDC) transmission systems. The effectiveness of the proposed model is validated by comparisons with EMT model to simulate diverse transients such as phase-to-ground faults and wind power fluctuations in a realistic three-terminal DC grid.","PeriodicalId":117485,"journal":{"name":"2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"A novel model of MMC-VSC for simulating multi-scale transients in MTDC transmission systems\",\"authors\":\"Ye Hua, Yanan Tang, Z. Qi\",\"doi\":\"10.1109/APPEEC.2016.7779582\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel model for the simulation of diverse transients covering multiple time-scales for modular multilevel converter (MMC)-based voltage source converter (VSC) is presented. It makes use of the method of shifted frequency analysis (SFA) in which the carrier with a frequency of 50 or 60 Hz is removed at VSC ac-side system. Using the SFA, an average-value model (AVM)-based MMC-VSC multi-scale transient model is developed, resulting in a flexible simulation of electromechanical and electromagnetic transients (EMT) by adjusting the time-step sizes. This can also be achieved in the multi-terminal DC (MTDC) transmission systems. The effectiveness of the proposed model is validated by comparisons with EMT model to simulate diverse transients such as phase-to-ground faults and wind power fluctuations in a realistic three-terminal DC grid.\",\"PeriodicalId\":117485,\"journal\":{\"name\":\"2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)\",\"volume\":\"9 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APPEEC.2016.7779582\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APPEEC.2016.7779582","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A novel model of MMC-VSC for simulating multi-scale transients in MTDC transmission systems
A novel model for the simulation of diverse transients covering multiple time-scales for modular multilevel converter (MMC)-based voltage source converter (VSC) is presented. It makes use of the method of shifted frequency analysis (SFA) in which the carrier with a frequency of 50 or 60 Hz is removed at VSC ac-side system. Using the SFA, an average-value model (AVM)-based MMC-VSC multi-scale transient model is developed, resulting in a flexible simulation of electromechanical and electromagnetic transients (EMT) by adjusting the time-step sizes. This can also be achieved in the multi-terminal DC (MTDC) transmission systems. The effectiveness of the proposed model is validated by comparisons with EMT model to simulate diverse transients such as phase-to-ground faults and wind power fluctuations in a realistic three-terminal DC grid.
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