Estimación de Estado en Sistema Eléctricos de Potencia Incorporando Mediciones SCADA y de PMUs (SCADA and PMU Measurements for Improving Power System State Estimation)

Axel Rendón Salgado (, Claudio Rubén Fuerte Esquivel (, Jorge Guillermo Calderón Guizar (

1Instituto de Investigaciones Eléctricas
2Universidad Michoacána de san Nicolás de Hidalgo

This paper appears in: Revista IEEE América Latina

Publication Date: July 2015
Volume: 13,   Issue: 7 
ISSN: 1548-0992

State estimation is the primary tools for Energy Management Systems (EMS). Traditional state estimation data are measured SCADA systems which are rather low precision and do not include voltage angles measurements. This paper reports on the implementation of a state estimation algorithm able to incorporate both SCADA and PMU measurements. The implemented algorithm was validated using two well-known IEEE test systems (IEEE-14 and IEEE-118 buses). Analysis of the results obtained from the different case studies performed, may highlight some advantages of incorporating PMU's measurements in the power system state estimation.

Index Terms:
State Estimation, SCADA, PMU’s measurements, Weighted Least Squares   

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