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Being able to estimate the AC grid strength using short circuit capacity (SCC) from the perspective of a connected high-voltage direct current (HVDC) station allows adjustment of converter control parameters or to select the converter's operational control mode. The SCC can be calculated by estimation of the grid's impedance and its equivalent voltage. This study presents the operational and practical...
This paper proposes different architectures for the coordination of power injection in interconnected hybrid AC/DC grids with Multi-TSO. The power dispatch problem is first formulated for the HVDC grid with the aim of keeping the balance in real time and try to follow the 15-min schedules introduced by AC TSOs considering the ongoing changes in the HVDC grid. Next, the Auxiliary Problem Principle...
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