For the first time, an international team, including researchers from the Karlsruhe Institute of Technology (KIT), researched how and why new transmission lines can also lead to grids becoming more unstable rather than more stable, as would be expected.
- Nov 24, 2022, 11:30 AM CST
Dr. Benjamin Schäfer, head of the Data-driven Analysis of Complex Systems research group at the KIT Institute for Automation and Applied Informatics, said, “We then speak of the Braess paradox. This phenomenon states that an additional option leads to a worsening of the overall situation instead of to an improvement.
However, when decisions have to be made at short notice, for example to shut down lines or shift power plant output, there is only sometimes enough time to run through all scenarios. “Then you need an intuitive understanding of circular flows to assess when the Braess paradox occurs and thus make the right decisions quickly,” explained Schäfer.
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