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Power Flow Control of PV System Featuring On-Grid and Off-Grid Modes

机译:具有并网和离网模式的光伏系统的功率流控制

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This paper presents a PV system featuring two grid modes; on and standalone (off) mode. The main purpose of this work is verifying the effectiveness and feasibility of the power flow management strategy of the proposed system to fulfill the connected load demand with best utilization of considered sources, analyze the PV system performance under different grid modes. In case of normal grid conditions (mode ON), the PV system is connected to a three-phase grid and AC load. It supplies the load and grid in case of excess of PV power, and shares the peak load demands between grid and PV system. In case of grid faults, PV switches to off-grid mode, which it supplies the connected load and battery bank. The latter can store excess PV power or supplies the load in case of low or zero irradiances. The considered system tested using MATLAB/ Simulink.
机译:本文提出了一种具有两种网格模式的光伏系统。开和独立(关)模式。这项工作的主要目的是验证所提出系统的潮流管理策略的有效性和可行性,从而以考虑到的资源的最佳利用率满足连接的负载需求,并分析不同电网模式下的光伏系统性能。在正常电网条件下(模式ON),光伏系统连接到三相电网和交流负载。它在光伏功率过剩的情况下为负载和电网供电,并在电网和光伏系统之间共享峰值负载需求。万一发生电网故障,PV会切换到离网模式,从而为连接的负载和电池组供电。后者可以存储多余的PV功率,或者在低辐照度或零辐照度的情况下为负载供电。所考虑的系统使用MATLAB / Simulink进行了测试。

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