The traditional Newton-Raphson method suffers from non-convergence issues when solving post-outage power flow problems . The HE-based simulator guarantees convergence if the true power flow solution exists . The PHE method does notundermine the numerical robustness of HE and significantly reduces thecomputation burden in large-scale contingency analysis . Tests on a 458-bus system, a synthetic 419 bus system and a large scale 21447 bus system demonstrate the advantages of the proposedmethods in robustness and efficiency . The proposed method isfurther enhanced by parallel or distributed computation to become parallel PHE(P${}^\mathrm{2}$HE) The method is further enhanced by . parallel

Author(s) : Rui Yao, Feng Qiu, Kai Sun

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Keywords : method - parallel - bus - system - large -

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