4.7 Article

Massively parallel data analytics for smart grid applications

期刊

出版社

ELSEVIER
DOI: 10.1016/j.segan.2022.100789

关键词

High-throughput scheduling; Massively parallel computing; Numerical optimization; Power grid; Optimal power flow; Unit commitment

资金

  1. Swiss Centre for Competence in Energy Research on the Future Swiss Electrical Infrastructure (SCCER-FURIES) [34394.1]
  2. Swiss Innovation Agency (Innosuisse - SCCER program)

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This study analyzes the computational aspects in massively parallel simulations from the perspective of efficient hardware utilization, presenting a method for efficiently managing and processing computational tasks. A series of numerical experiments demonstrate that the optimized high-throughput computation strategy significantly reduces response times and prevents memory bottlenecks.
Complexity involved in operating modern power and energy systems is constantly increasing given the volatility induced by the rapid integration of intermittent renewable energy sources. In order to operate the power grid in secure and reliable way, a plethora of uncertain parameters need to be considered and hundreds of thousands of different power grid scenarios need to be rapidly evaluated. This works analyzes the computational aspects in massively parallel simulations from the perspective of efficient hardware utilization. A method for efficiently managing and processing the computational tasks is presented, carefully considering the level of parallelism in order to avoid computational bottlenecks and efficiently utilizing modern multicore architectures with deep memory hierarchies. An extensive set of numerical experiments is presented, considering multiple aspects of the computational pipeline. The numerical experiments are performed using mathematical models typically used in the power grid problems, including linear and quadratic programs as well as the models containing the discrete variables. The optimized high-throughput computation strategy has been shown to significantly reduce response times by preventing the memory bottlenecks for various computational models.(c) 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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