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Large renewable energy sources are usually connected to a single transmission system. In the future, groups of renewable energy sources (RES) could link several asynchronous power systems through HVDC systems. This study implements a Master Control for a HVDC system to utilize the RES-grid between two asynchronous power systems to the maximum amount. Master Control of the HVDC system is based on an...
The transition of the European electrical energy system leads to rising installations of renewable energy sources (RES). Average transmission distances and active and reactive power losses increase, because RES are mainly installed at sites with a high yield of primary energy. This development affects the voltage stability of the system. To address these challenges, a meshed high voltage direct current...
The changes in the German power system to a renewable electricity generation leads to a higher system stress and higher demand of reactive power. As a result, voltage stability tends to become a binding technical criterion. In particular, reactive power demand of Smart Grids is changing with growing installation of renewable energy sources. This effect is considered with an explicit network model...
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