Wache, Holger

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Wache, Holger

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Technical Validation of the RLS Smart Grid Approach to increase Power Grid Capacity without Physical Grid Expansion

2019-05, Christen, Ramón, Layec, Vincent, Wilke, Gwendolin, Wache, Holger, Donnellan, Brian, Klein, Cornel, Helfert, Markus

The electrification of the global energy system and the shift towards distributed power production from sus- tainable sources triggers an increased network capacity demand at times of high production or consumption. Existing energy management solutions can help mitigate resulting high costs of large-scale physical grid rein- forcement, but often interfere in customer processes or restrict free access to the energy market. In a preceding paper, we proposed the RLS regional load shaping approach as a novel business model and load management solution in middle voltage grid to resolve this dilemma: market-based incentives for all stakeholders are pro- vided to allow for flexible loads that are non-critical in customer processes to be allocated to the unused grid capacity traditionally reserved for N-1 security of supply. We provide a validation of the technical aspects of the approach, with an evaluation of the day-ahead load forecasting method for industry customers and a load optimization heuristics. The latter is tested by a simulation run on a scenario of network branch with provoked capacity bottlenecks. The method handles all provoked critical network capacity situations as expected.

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Intelligent Dynamic Load Management Based on Solar Panel Monitoring

2014-04-04T00:00:00Z, Wilke, Gwendolin, Schaaf, Marc, Wache, Holger, Gatziu Grivas, Stella, Ryter, Remo, Mikkola, Topi, Bun, Eric

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A market-based smart grid approach to increasing power grid capacity without physical grid expansion

2018-02-01, Bagemihl, Joachim, Boesner, Frank, Riesinger, Jens, Künzli, Michael, Wilke, Gwendolin, Binder, Gabriela, Wache, Holger, Laager, Daniel, Breit, Jürgen, Wurzinger, Michael, Zapata, Juliana, Ulli-Beer, Silvia, Layec, Vincent, Stadler, Thomas, Stabauer, Franz

The continuous increase of competitiveness of renewable energy in combination with the necessity of fossil fuel substitution leads to further electrification of the global energy system and therefore a need for large-scale power grid capacity increase. While physical grid expansion is not feasible for many countries, grid-driven energy management in the Smart Grid often interferes in customer processes and free access to the energy market. The paper solves this dilemma by proposing a market-based load schedule management approach that increases power grid capacity without physical grid expansion. This is achieved by allocating for a certain class of non-critical flexible loads called “conditional loads” the currently unused grid capacity dedicated to ensuring N−1 security of supply whereas this security level remains untouched for all critical processes. The paper discusses the necessary processes and technical and operational requirements to operate such a system.

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Publikation

Towards a Timely Root Cause Analysis for Complex Situations in Large Scale Telecommunications Networks

2015, Schaaf, Marc, Wilke, Gwendolin, Mikkola, Topi, Bunn, Erik, Hela, Ilkka, Wache, Holger, Gatziu Grivas, Stella