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Gastvorträge 2013

Power grid stability despite renewable instability
Prof. Dr.-Ing. Holger Hermanns Saarland University
Monday, November 4, 2013, 4 p.m., room E-N 223


The electric power grids across Europa are evolving towards decentralized structures, rooted inpolitical decisions to counter the worldwide climate change. Especially the German power grid isfacing the disruptive challenge to integrate massive decentral infeed of renewable electric power.This implies drastically higher volatility in available electric power, which in turn is a threat topower grid stability across the entirety of continental Europe.

This presentation discusses the challenge as a large-scale distributed control problem. We derivea set of principles that inspire the design of a new generation of distributed and decentralisedpower grid control appliances. We report on controller designs for masses of microgenerators, andcontrast their reliable operation with critical shortcomings of controllers installed on hundreds of thousands of German rooftops to date. While doing so, we discuss a modelling and veri cationtechnology revolving around stochastic hybrid automata, employed to validate and evaluate these controllers.


Johannes Schiffer, Fachgebiet Regelungssysteme

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