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- W4225984003 abstract "We propose a generic multistage stochastic model for the Alternating Current Optimal Power Flow (AC OPF) problem for radial distribution networks, to account for the random electricity production of renewable energy sources and dynamic constraints of storage systems. We consider single-phase radial networks. Radial three-phase balanced networks (medium-voltage distribution networks typically have this structure) reduce to the former case. This induces a large scale optimization problem, which, given the non-convex nature of the AC OPF, is generally challenging to solve to global optimality. We derive a priori conditions guaranteeing a vanishing relaxation gap for the multi-stage AC OPF problem, which can thus be solved using convex optimization algorithms. We also give an a posteriori upper bound on the relaxation gap. In particular, we show that a null or low relaxation gap may be expected for applications with light reverse power flows or if sufficient storage capacities with low cost are available. Then, we discuss the validity of our results when incorporating voltage regulation devices. Finally, we illustrate our results on problems of planning of a realistic distribution feeder with distributed solar production and storage systems. Scenario trees for solar production are constructed from a stochastic model, by a quantile-based algorithm." @default.
- W4225984003 created "2022-05-05" @default.
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- W4225984003 date "2021-09-30" @default.
- W4225984003 modified "2023-09-27" @default.
- W4225984003 title "Multi-stage Stochastic Alternating Current Optimal Power Flow with Storage: Bounding the Relaxation Gap" @default.
- W4225984003 doi "https://doi.org/10.48550/arxiv.2109.14869" @default.
- W4225984003 hasPublicationYear "2021" @default.
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