<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents a Synchrophasor Assisted Hybrid State Estimator that utilizes the conventional SCADA measurements and the synchrophasors obtained from Phasor Measurement Units (PMUs). To take advantage of the high sampling frequency of the multiple sets of synchrophasors they are preprocessed in a recursive algorithm that provides the state estimate for the power system part observable by PMUs. The results are forwarded to an iterative procedure in which they are combined with SCADA measurements. The given solution was applied on the IEEE test systems with 14, 30 and 57 buses and its performance was compared with other state estimators. The filtering of measurement errors and convergence, while providing improved accuracy of the final state estimates of the developed methodology can be compared with other hybrid state estimators.</p></abstract>

The paper presents a Synchrophasor Assisted Hybrid State Estimator that utilizes the conventional SCADA measurements and the synchrophasors obtained from Phasor Measurement Units (PMUs). To take advantage of the high sampling frequency of the multiple sets of synchrophasors they are preprocessed in a recursive algorithm that provides the state estimate for the power system part observable by PMUs. The results are forwarded to an iterative procedure in which they are combined with SCADA measurements. The given solution was applied on the IEEE test systems with 14, 30 and 57 buses and its performance was compared with other state estimators. The filtering of measurement errors and convergence, while providing improved accuracy of the final state estimates of the developed methodology can be compared with other hybrid state estimators.

A Synchrophasor Assisted Hybrid State Estimator

Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka, Croatia

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"A Synchrophasor Assisted Hybrid State Estimator"}

The paper presents a Synchrophasor Assisted Hybrid State Estimator that utilizes the conventional SCADA measurements and the synchrophasors obtained from...

A Synchrophasor Assisted Hybrid State Estimator

Published Online: May 14, 2016

Page range: 103 - 110

Received: Jul 01, 2015

DOI: https://doi.org/10.1515/jee-2016-0015

Keywords
hybrid state estimator, phasor measurement unit (PMU), power system state estimation, synchronized measurement technology

© Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

A Synchrophasor Assisted Hybrid State Estimator

Published Online: May 14, 2016

Page range: 103 - 110

Received: Jul 01, 2015

DOI: https://doi.org/10.1515/jee-2016-0015

Keywordshybrid state estimator, phasor measurement unit (PMU), power system state estimation, synchronized measurement technology

© Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
hybrid state estimator, phasor measurement unit (PMU), power system state estimation, synchronized measurement technology