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RISS 인기검색어
- 검색키워드
- 저자 : Milad Samady Shadlu (검색결과 2 건)
- 무료
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- 유료
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Novel Control of a Modular Multilevel Converter for Photovoltaic Applications
Shadlu, Milad Samady The Korean Institute of Electrical and Electronic 2017 Transactions on Electrical and Electronic Material Vol.18 No.2
The number of applications of solar photovoltaic (PV) systems in power generation grids has increased in the last decade because of their ability to generate efficient and reliable power in a variety of low installation in domestic applications. Various PV converter topologies have therefore emerged, among which the modular multilevel converter (MMC) is very attractive due to its modularity and transformerless features. The modeling and control of the MMC has become an interesting issue due to the extremely large expansion of PV power plants at the residential scale and due to the power quality requirement of this application. This paper proposes a novel control method of MMC which is used to directly integrate the photovoltaic arrays with the power grid. Traditionally, a closed loop control has been used, although circulating current control and capacitors voltage balancing in each individual leg have remained unsolved problem. In this paper, the integration of model predictive control (MPC) and traditional closed loop control is proposed to control the MMC structure in a PV grid tied mode. Simulation results demonstrate the efficiency and effectiveness of the proposed control model.
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Novel Control of a Modular Multilevel Converter for Photovoltaic Applications
Milad Samady Shadlu 한국전기전자재료학회 2017 Transactions on Electrical and Electronic Material Vol.18 No.2
The number of applications of solar photovoltaic (PV) systems in power generation grids has increased in the lastdecade because of their ability to generate efficient and reliable power in a variety of low installation in domesticapplications. Various PV converter topologies have therefore emerged, among which the modular multilevel converter(MMC) is very attractive due to its modularity and transformerless features. The modeling and control of the MMChas become an interesting issue due to the extremely large expansion of PV power plants at the residential scale anddue to the power quality requirement of this application. This paper proposes a novel control method of MMC whichis used to directly integrate the photovoltaic arrays with the power grid. Traditionally, a closed loop control has beenused, although circulating current control and capacitors voltage balancing in each individual leg have remainedunsolved problem. In this paper, the integration of model predictive control (MPC) and traditional closed loop controlis proposed to control the MMC structure in a PV grid tied mode. Simulation results demonstrate the efficiency andeffectiveness of the proposed control model.
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