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Title of Journal: Sci China Technol Sci

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Abbravation: Science China Technological Sciences

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Springer Berlin Heidelberg

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DOI

10.1007/bf00269304

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1869-1900

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Dynamic simulation based on Jacobianfree NewtonG

Authors: ShaoWei Huang Ying Chen Chen Shen ShengWei Mei
Publish Date: 2013/06/28
Volume: 56, Issue: 8, Pages: 2037-2045
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Abstract

Dynamic simulation is one of the most complex and important computations for power systems researches Traditional solutions based on normal Newton iterations almost all depend on evaluations of Jacobian matrixes which increases the programming complexity of and limits the parallelizability of the whole simulation In this paper a new adaptive preconditioned Jacobianfree NewtonGMRESm method is proposed to be applied to dynamic simulations of power systems This new method has totally Jacobianfree characteristics which saves calculations and storages of Jacobian matrixes and features strong parallelizability Moreover several speedup strategies are introduced to enhance efficiency and parallelizability of overall computations Numerical tests are carried out on IEEE standard test systems and results show that in series computing environment simulations based on the proposed method have comparable speed to those based on classical NewtonRaphson methods

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