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Abstract Electric power systems are evolving into cyber–physical infrastructures shaped by power electronics and digital control. As inverter-based generation alters system dynamics and digitalization heightens vulnerability to errors and attacks, cyber–physical coupling can also introduce subtle system-level effects. Here we show that grid-frequency time series worldwide exhibit a persistent 1-min oscillatory pattern whose origin has remained unexplained.
Abstract The ongoing energy transition requires power grid extensions to connect renewable generators to consumers and to transfer power among distant areas. The process of grid extension requires a large investment of resources and is supposed to make grid operation more robust. Yet, counter-intuitively, increasing the capacity of existing lines or adding new lines may also reduce the overall system performance and even promote blackouts due to Braess’ paradox.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
