Real-Time Power System Dynamics Simulation Using a Parallel Block-Jacobi Preconditioned Newton-GMRES Scheme

TitleReal-Time Power System Dynamics Simulation Using a Parallel Block-Jacobi Preconditioned Newton-GMRES Scheme
Publication TypeConference Paper
Year of Publication2012
AuthorsAbhyankar, S, Flueck, AJ
Conference Name2nd International Workshop on High Performance Computing, Networking, and Analytics for the Power Grid
Conference LocationSalt Lake City, UT
Other NumbersANL/MCS-P3032-0812
AbstractReal-time dynamics simulation of large-scale power systems is a computational challenge due to the need of solving a large set of stiff nonlinear differential-algebraic equations. The main bottleneck in these simulations is the solution of the linear system during each nonlinear iteration of the Newton’s method. We present a parallel linear solution scheme using Krylov subspace based iterative solver GMRES with a Block-Jacobi preconditioner that shows promising prospect of a real-time dynamics simulation. The proposed linear solution scheme shows a good speed up for a 2383 bus, 327 generator test case. Results obtained for both stable and unstable operating conditions show that real-time simulation speed can be realized by using the proposed parallel linear solution scheme.  
PDFhttp://www.mcs.anl.gov/papers/P3032-0812.pdf