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This paper presents a Matlab/simulink model of grid-connected photovoltaic (PV) system, including a PV array, a control system, a distribution network and a load. Based on the accurate modeling system, optimum control and stability analysis are studied. The current control strategy can regulate the current at the point of common coupling to achieve the power factor control. The voltage control strategy...
The effects of constant power loads (CPLs) has been for long time the focus of research in isolated power systems such as automotive systems, electric ships and spacecrafts, with main focus on DC-systems. Due to the instability effect of the negative incremental resistance phenomena of CPLs, several criteria have been investigated to ensure system stability in the presence of large amount of CPLs...
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