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An increased share of variable speed wind turbines reduces the inertia of the power system due to the decoupling of mechanical rotor frequency and grid frequency. In the recent years, a lot of research has been done about exploitation of the rotating mass of a wind turbine for participation in the primary frequency regulation of the power system. This paper proposes a linearized general variable speed...
The paper analyses the impact of energy storage and electric vehicles to the flexibility of electric power system in terms of securing reserves for covering deviations between consumption and generation of electricity, taking into account the share of non-predictable renewable sources in the network. Over the last few years, the share of renewable sources has increased, and wind power contributes...
Partitioning of electric networks into zones or areas is a procedure that has numerous applications in power system planning, operation and control. Spectral clustering based approaches are among the most favoured ones to solve the partitioning problem. Applications of spectral clustering include definition of control zones, analysis of connectivity structure of power networks, intentional controlled...
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