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Graph Computing based Distributed State Estimation with PMUs

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arxiv 2002.09477 v1 pith:IRT433GD submitted 2020-02-20 cs.DC cs.NAcs.PFeess.SPmath.NA

Graph Computing based Distributed State Estimation with PMUs

Yi Lu , Chen Yuan , Xiang Zhang , Hua Huang , Guangyi Liu , Renchang Dai , Zhiwei Wang This is my paper
classification cs.DC cs.NAcs.PFeess.SPmath.NA
keywords systemestimationstatepoweraccuracyareaareasbuses
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Power system state estimation plays a fundamental and critical role in the energy management system (EMS). To achieve a high performance and accurate system states estimation, a graph computing based distributed state estimation approach is proposed in this paper. Firstly, a power system network is divided into multiple areas. Reference buses are selected with PMUs being installed at these buses for each area. Then, the system network is converted into multiple independent areas. In this way, the power system state estimation could be conducted in parallel for each area and the estimated system states are obtained without compromise of accuracy. IEEE 118-bus system and MP 10790-bus system are employed to verify the results accuracy and present the promising computation performance.

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