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000916353 1001_ $$00000-0003-1607-9748$$aSchäfer, Benjamin$$b0$$eCorresponding author
000916353 245__ $$aUnderstanding Braess’ Paradox in power grids
000916353 260__ $$a[London]$$bNature Publishing Group UK$$c2022
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000916353 520__ $$aThe ongoing energy transition requires power grid extensions to connect renewable generators to consumers and to transfer power among distant areas. The process of grid extension requires a large investment of resources and is supposed to make grid operation more robust. Yet, counter-intuitively, increasing the capacity of existing lines or adding new lines may also reduce the overall system performance and even promote blackouts due to Braess’ paradox. Braess’ paradox was theoretically modeled but not yet proven in realistically scaled power grids. Here, we present an experimental setup demonstrating Braess’ paradox in an AC power grid and show how it constrains ongoing large-scale grid extension projects. We present a topological theory that reveals the key mechanism and predicts Braessian grid extensions from the network structure. These results offer a theoretical method to understand and practical guidelines in support of preventing unsuitable infrastructures and the systemic planning of grid extensions.
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000916353 536__ $$0G:(DE-HGF)POF4-1122$$a1122 - Design, Operation and Digitalization of the Future Energy Grids (POF4-112)$$cPOF4-112$$fPOF IV$$x4
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000916353 7001_ $$0P:(DE-Juel1)142000$$aPesch, Thiemo$$b1
000916353 7001_ $$0P:(DE-HGF)0$$aManik, Debsankha$$b2
000916353 7001_ $$0P:(DE-HGF)0$$aGollenstede, Julian$$b3
000916353 7001_ $$0P:(DE-HGF)0$$aLin, Guosong$$b4
000916353 7001_ $$0P:(DE-HGF)0$$aBeck, Hans-Peter$$b5
000916353 7001_ $$0P:(DE-Juel1)162277$$aWitthaut, Dirk$$b6
000916353 7001_ $$00000-0002-5956-3137$$aTimme, Marc$$b7
000916353 773__ $$0PERI:(DE-600)2553671-0$$a10.1038/s41467-022-32917-6$$gVol. 13, no. 1, p. 5396$$n1$$p5396$$tNature Communications$$v13$$x2041-1723$$y2022
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