Small Signal Interactions Involving a Synchronous Machine and a Grid Forming Converter

Luke Benedetti, Panagiotis N. Papadopoulos, Agusti Egea-Alvarez
<span title="2021-06-28">2021</span> <i title="IEEE"> 2021 IEEE Madrid PowerTech </i> &nbsp;
Interactions between synchronous machines (SMs) and grid forming converters (GFMs) will become increasingly relevant as the power system transitions from a conventional fossil fueled synchronous based system to a renewable generation rich and converter-based system. This paper investigates and confirms the possibility of electromechanical oscillatory modes between conventional SMs and converter connected generation using a GFM control algorithm as well as between two GFMs. The study employs
more &raquo; ... l-signal models and performs small-signal eigenvalue analysis. Moreover, parametric sweeps are performed, to investigate the impact of network and GFM control parameters in controlling the electromechanical modes.
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