Cosimulation of Intelligent Power Systems
Fundamentals, Software Architecture, Numerics, and Coupling
Peter Palensky (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Arjen A. Van Der Meer (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Claudio David Lopez (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Arun Joseph (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Kaikai Pan (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
Smart grids link various types of energy technologies-such as power electronics, machines, grids, and markets-via communication technology, which leads to a transdisciplinary, multidomain system. Simulation packages for assessing system integration of components typically cover only one subdomain, while simplifying the others. Cosimulation overcomes this by coupling subdomain models that are described and solved within their native environments, using specialized solvers and validated libraries. This article discusses the state of the art and conceptually describes the main challenges for simulating intelligent power systems. This article, part 1 of 2 on this subject, covers fundamental concepts. Part 2 will appear in a future issue of IEEE Electrification Magazine and cover applications.