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The increasing growth of wind power plants has resulted in an increase in their impact on the stability of the power system. In this case, for ensuring the grid stability, these resources must inject an almost constant power into the grid. One way to produce a constant power is to use a hybrid energy storage system. In this method, the maximum power is obtained from the wind. The smoothed power is...
Today, with an increase in the share of power produced by the distributed generation especially the wind and solar sources, the standards for connecting these sources to the grid have been updated. According to these standards, the distributed generation sources must stay connected to the grid during fault conditions and must help the grid to come back to normal conditions. In this paper, a method...
This paper proposes a method for achieving the optimum Total Harmonic Distortion (THD) of the output voltage in the cascaded multilevel inverter in case that dc cells' voltages vary during operation. It considers switching angles and voltage steps as optimization variables in order to obtain the minimum THD for the 5, 7, 9, 11, and 13-level cases. The proposed method studies +20% and −20% variations...
Nowadays, with an increase in the number of wind power plants, the rules for connecting these plants to the grid have been changed. Under the new standards, to maintain a frequency stability, the power variations of wind farms must be limited. For this reason, the use of the energy storage sources along with wind turbines have been proposed and many publications have been published on this subject...
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