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In order to overcome the ever-challenging environmental issues such as the greenhouse gas emission, traditional energy sources are gradually being replaced by renewable energy sources. However, the increasing penetration of renewable energy sources leads to the decrease of power system inertia, as renewable sources barely contribute to inertial response. To tackle this problem, a hybrid energy storage...
The present study proposes an alternate approach to design and shape the Emulated Inertial Response (EIR) from Variable Speed Wind Turbines (VSWT) by exchanging its kinetic energy (KE) with the grid. Although, the KE released by the deceleration of VSWT can momentarily reduce the generation-demand difference, and thereby alleviate the frequency stability, limiting the effects of subsequent VSWT recuperation...
This paper presents a method to estimate the maximum level of variable energy resources that can be integrated into the grid based on the frequency security constraint. The method described uses the approximation of the frequency deviation extremum based on the sensitivity analysis. The approximated results are then employed to estimate the change of the maximum frequency deviation following the change...
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