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Research on Power System State Estimation Based on Mixed Measurement

Jiayin Song

Abstract

The wide-area measurement system(WAMS) based on PMU measurement device and modern energy management system(EMS)based on SCADA measurement device are independent of each other,but in the engineering application,WAMSs’ system data can be transmitted to EMS system database.The simulation experiment in IEEE-14 system shows that the data of these two systems being used for state simulation can effectively improve the accuracy of state simulationt,herefore ensuring the economic operation of power grid.

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Available abstract

Key concepts: SCADA, Energy management system, Electric power system, System of measurement, State (computer science), Power grid, Reliability engineering, Grid