Large-scale transient stability simulation on graphics processing units

Vahid Jalili-Marandi, Venkata Dinavahi
Dept. of Electr. & Comput. Eng., Univ. of Alberta, Edmonton, AB, Canada
IEEE Power & Energy Society General Meeting, 2009. PES ’09


   title={Large-scale transient stability simulation on graphics processing units},

   author={Jalili-Marandi, V. and Dinavahi, V.},

   booktitle={Power & Energy Society General Meeting, 2009. PES’09. IEEE},





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Graphics processing units (GPUs) have recently attracted a lot of interest in several fields struggling with massively large computation tasks. The application of a GPU for fast and accurate transient stability simulation of the large-scale power systems is presented in this paper. The computationally intensive parts of the simulation were offloaded to the GPU to co-operate with the CPU. As such, a hybrid GPU-CPU simulator is configured. The accuracy of the proposed simulation approach has been validated by using the PSS/E software. The computation time of the simulation performed by co-processing of GPU-CPU has been compared with that of the CPU-only simulation. Several test cases have been used to demonstrate the significant acceleration of the GPU-CPU simulation. A speed-up of 345 is reported for a 320 generator and 1248 bus power system.
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