{"title":"Versatile Control Functions of Hybrid Solid-State Transformers in Distribution Systems","authors":"Lizhi Ding, Xiaonan Lu, A. Huang","doi":"10.1109/eGRID52793.2021.9662162","DOIUrl":null,"url":null,"abstract":"Solid-state transformers (SSTs) can provide various advanced functions to support the stable, flexible, and resilient operation of modern power grids. To enhance the power rating and the controllability of SSTs at the distribution substation level, a hybrid SST (HSST) is proposed recently where the line-frequency transformer (LFT) is combined with the SST to process the major power flow while the SST section supports advanced grid control functions. In this paper, the voltage regulation and the power flow regulation control functions of HSST are developed by using discrete-set model predictive control (MPC). Various test cases are designed and validated in the PLECS environment.","PeriodicalId":198321,"journal":{"name":"2021 6th IEEE Workshop on the Electronic Grid (eGRID)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 6th IEEE Workshop on the Electronic Grid (eGRID)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/eGRID52793.2021.9662162","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
Solid-state transformers (SSTs) can provide various advanced functions to support the stable, flexible, and resilient operation of modern power grids. To enhance the power rating and the controllability of SSTs at the distribution substation level, a hybrid SST (HSST) is proposed recently where the line-frequency transformer (LFT) is combined with the SST to process the major power flow while the SST section supports advanced grid control functions. In this paper, the voltage regulation and the power flow regulation control functions of HSST are developed by using discrete-set model predictive control (MPC). Various test cases are designed and validated in the PLECS environment.
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