{"title":"Model Predictive Control of NPC Inverter Coupled to Voltage Doubled High Step-Up DC/DC Converter in PV-Active Power Filter Application","authors":"J. Khajesalehi, E. Afjei","doi":"10.1109/PEDSTC53976.2022.9767461","DOIUrl":null,"url":null,"abstract":"This paper presents a tansformerless power electronic interface (PEI) composed of high step-up dc/dc converter, voltage doubler circuit and neutral point clamped (NPC) inverter for photovoltaic (PV)-active power filter applications. Decreased voltage and current stress on PEI devices is the main benefit of the proposed solution. In NPC inverter, the model predictive control (MPC) is used to achieve current control, dc-link voltage balancing, and compensating for unbalanced and harmonic components of local load currents. Average state space model of the dc/dc converter is used to control PV voltage at reference provided by maximum power point tracking (MPPT) algorithm. The performance of the proposed PEI and its associated control systems are verified by simulations conducted in MATLAB/Simulink environment.","PeriodicalId":213924,"journal":{"name":"2022 13th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 13th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PEDSTC53976.2022.9767461","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper presents a tansformerless power electronic interface (PEI) composed of high step-up dc/dc converter, voltage doubler circuit and neutral point clamped (NPC) inverter for photovoltaic (PV)-active power filter applications. Decreased voltage and current stress on PEI devices is the main benefit of the proposed solution. In NPC inverter, the model predictive control (MPC) is used to achieve current control, dc-link voltage balancing, and compensating for unbalanced and harmonic components of local load currents. Average state space model of the dc/dc converter is used to control PV voltage at reference provided by maximum power point tracking (MPPT) algorithm. The performance of the proposed PEI and its associated control systems are verified by simulations conducted in MATLAB/Simulink environment.
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