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- W2530913833 abstract "A new method of current control strategy for grid connected photovoltaic (PV) system is presented in this paper. The connection of photovoltaic system with the grid is a difficult task as the solar irradiation is a nonlinear quantity. The objective of this work is to develop a model of the photovoltaic system with maximum power point tracking (MPPT) system connected to 11 KV grid by implementing new control technique so that maximum active power transfer from PV to grid can be taken place without injection of harmonics. The considered system consists of a PV system, MPPT controller, boost converter, voltage source inverter (VSI), 3-Φ filter, a control system, a distribution network, load and grid. In the beginning, a model of a photovoltaic array was developed and then a MPPT controller and a direct current to direct current (DC-DC) converter are designed. To connect PV system to grid, a power electronics converter is needed which can convert DC voltage into three- phase AC voltage. Three-phase VSI using insulated gate bipolar transistors (IGBTs) is used. By means of a step-up transformer and filter, this three-phase VSI is connected to the distribution network. The proposed control of the three-phase grid-connected solar PV system is designed in the synchronously-rotating <i>d-q</i> reference frame. Here, <i>V<sub>dc</sub></i> is measured, then compared with <i>V<sub>dcref</sub></i> and accordingly the error is fed to proportional-integral (PI) controller from which <i>I<sub>dref</sub></i> is generated. As PV system should inject only active power, so reactive power injected to grid is made zero by making <i>I<sub>qref</sub></i> zero. There after the final model is simulated by using MATLAB/SIMULINK and different output waveforms are analyzed for different conditions. Finally the fault analysis is carried out to observe the behavior of the system." @default.
- W2530913833 created "2016-10-21" @default.
- W2530913833 creator A5031366630 @default.
- W2530913833 date "2016-01-01" @default.
- W2530913833 modified "2023-09-24" @default.
- W2530913833 title "Fault Analysis of Grid Connected Photovoltaic System" @default.
- W2530913833 doi "https://doi.org/10.11648/j.epes.20160504.12" @default.
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