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Because the output characteristics of photovoltaic (PV) array is nonlinear and output power changes as circumstances change, it is necessary to perform Maximum Power Point Tracking (MPPT) control in order to make the PV array working at Maximum Power Point (MPP). When the photovoltaic cells are in partial shade condition, the traditional MPPT method will fail. So this article uses the improved PSO...
In this paper, we propose a low cost charger circuit with a maximum power point tracking method (MPPT) that is a key factor in photovoltaic systems. The solar panel output voltage, which is known to be generated by series connected solar cells (also called as photovoltaic cells), was adjusted to a constant voltage to maximize the transferred power even at different intensities of sunshine. By modifying...
The simulation algorithm based on the field of power electronics and motor control areas of application package software simulation (PSIM) for array of photovoltaic cells in a certain light maximum power point tracking (MPPT) had been built, different simulation step by analysis of the impact of MPPT. Simulation results show that: the model parameters of an array of photovoltaic cells correspond exactly...
As distributed power sources seem to become increasingly popular in the near future, power electronics should be able to provide significant advantages in processing power from renewable energy sources using fast response and autonomous control. Fuel cells, photovoltaic devices and storage batteries sources produce a significant power in hybrid power structure. In this paper, the uninterruptible power...
This work presents an efficiency improvement of a simple maximum power point tracking (MPPT) configuration, achieved by current feedback. The output current provided by the photovoltaic (PV) panel is used as the signal controlling the duty cycle of the PWM converter that regulates PV panel power output. The system performance is analyzed with the help of an accurate PSpice model of the PV cells developed...
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