{"title":"Fault Voltage Ride-Through Technology Implementation of Grid-Connected Photovoltaic Inverter on CloudPSS Platform","authors":"Kangkang Wang, Yunyang Xu, Peng Shi, Bo Zhou, Xinwei Sun, Shaowei Huang, Xiaojuan Zhu","doi":"10.1109/ICPET55165.2022.9918490","DOIUrl":null,"url":null,"abstract":"In this paper, a fault voltage ride-through control strategy is developed for the grid-connected photovoltaic (PV) inverters. In this control strategy, a new phase-locked loop (PLL) is proposed to realize the grid voltage tracking under zero-voltage and unbalanced voltage faults. By detecting the voltage amplitude of the point of common coupling (PCC), the grid-connected PV inverter can switch its control strategy to realize the fault voltage ride-through, and inject a certain amount of reactive current to support the voltage recovery of the power grid. The CloudPSS is used to build an electromagnetic transient (EMT) simulation platform of the fault ride-through test system, and the simulation results prove the effectiveness of the proposed control strategy.","PeriodicalId":355634,"journal":{"name":"2022 4th International Conference on Power and Energy Technology (ICPET)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 4th International Conference on Power and Energy Technology (ICPET)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPET55165.2022.9918490","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, a fault voltage ride-through control strategy is developed for the grid-connected photovoltaic (PV) inverters. In this control strategy, a new phase-locked loop (PLL) is proposed to realize the grid voltage tracking under zero-voltage and unbalanced voltage faults. By detecting the voltage amplitude of the point of common coupling (PCC), the grid-connected PV inverter can switch its control strategy to realize the fault voltage ride-through, and inject a certain amount of reactive current to support the voltage recovery of the power grid. The CloudPSS is used to build an electromagnetic transient (EMT) simulation platform of the fault ride-through test system, and the simulation results prove the effectiveness of the proposed control strategy.
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