Abstract
In this chapter, parallel-in-time solution method is introduced for the EMT and transient stability simulation. A component-based simulation class architecture was introduced to handle different models in AC power systems, which delivers high flexibility and scalability to implement the system-level parallel-in-time algorithm. Major challenges to handle the delay differential equations brought by transmission line models in the parallel-in-time algorithm are analyzed, and a modified model implementation is proposed. For DC grid EMT simulation, a detailed MMC model is solved using an integrated parallel-in-time-and-space method. Then, a hybrid CPU-GPU parallel-in-time-and-space transient stability and EMT co-simulation method is presented for AC-DC grids. Case studies on large-scale synthetic AC-DC systems demonstrate high accuracy, parallel efficiency, and speedup.
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Dinavahi, V., Lin, N. (2022). Parallel-in-Time EMT and Transient Stability Simulation of AC-DC Grids. In: Parallel Dynamic and Transient Simulation of Large-Scale Power Systems. Springer, Cham. https://doi.org/10.1007/978-3-030-86782-9_7
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DOI: https://doi.org/10.1007/978-3-030-86782-9_7
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