BATTPOWER Toolbox: Memory-Efficient and High-Performance Multi-Period AC Optimal Power Flow Solver
Salman Zaferanlouei, Hossein Farahmand, Vijay Venu Vadlamudi and, Magnus Korp{\aa}s

TL;DR
This paper presents a memory-efficient, high-performance multi-period AC optimal power flow solver based on interior point methods, optimized for integrating energy storage and electric vehicles, with extensive benchmarking results.
Contribution
Introduces a novel interior point-based MPOPF solver that exploits sparse matrix structures and exact differential calculations for improved computational efficiency.
Findings
Schur-Complement algorithm outperforms direct LU solver in large-scale scenarios.
Significant reduction in computation time for systems with many storage devices.
Analysis of algorithm performance differences for SESS and EV applications.
Abstract
With the introduction of massive renewable energy sources and storage devices, the traditional process of grid operation must be improved in order to be safe, reliable, fast responsive and cost efficient, and in this regard power flow solvers are indispensable. In this paper, we introduce an Interior Point-based (IP) Multi-Period AC Optimal Power Flow (MPOPF) solver for the integration of Stationary Energy Storage Systems (SESS) and Electric Vehicles (EV). The primary methodology is based on: 1) analytic and exact calculation of partial differential equations of the Lagrangian sub-problem, and 2) exploiting the sparse structure and pattern of the coefficient matrix of Newton-Raphson approach in the IP algorithm. Extensive results of the application of proposed methods on several benchmark test systems are presented and elaborated, where the advantages and disadvantages of different…
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