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Fast Newton-FGMRES Solver for Large-Scale Power Flow Study

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2 Author(s)
Yi-Shan Zhang ; Sch. of Electron., Inf. & Electr. Eng., Shanghai Jiao Tong Univ., Shanghai, China ; Hsiao-Dong Chiang

A fast Newton-FGMRES method for power flow calculations is proposed in this paper. Three accelerating schemes to speed up the Newton-FGMRES method are proposed. Numerical studies show that the proposed fast Newton-FGMRES method consistently outperforms the traditional Newton-GMRES method and Newton-LU method on two practical power systems-one with 12 000 buses, another with 21 000 buses. For the 21 000-bus system, the fast Newton-FGMRES method can be 45.7% faster than the traditional Newton-LU method.

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Power Systems, IEEE Transactions on  (Volume:25 ,  Issue: 2 )