PowerModels.jl: An Open-Source Framework for Exploring Power Flow Formulations
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In recent years, the power system research community has seen an explosion of novel methods for formulating and solving various power network optimization problems. These emerging methods range from new power flow approximations, which go beyond the traditional DC Power Flow by capturing reactive power, to convex relaxations, which provide solution quality and run time performance guarantees. Unfortunately, the complexity of these emerging methods often presents a significant barrier to evaluating these methods on power system optimization problems. To address this issue, this work proposes PowerModels, an open-source platform for comparing power flow formulations. From its inception, PowerModels was designed to streamline the process of evaluating different power flow formulations on shared optimization problem specifications. This work provides a brief introduction to the design of PowerModels and demonstrates its effectiveness with a proof-of-concept study analyzing five different formulations of the Optimal Power Flow problem.
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