A new hybrid state estimation based on pseudo-voltage measurements

© 2015 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc. This paper presents a new hybrid state estimation method based on the concept of pseudo-voltage measurements for a power system containing both conventional and synchronizing phasor measurements. Actual mea...

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Main Authors: Chawasak Rakpenthai, Sermsak Uatrongjit
Format: Journal
Published: 2018
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/54478
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-544782018-09-04T10:14:26Z A new hybrid state estimation based on pseudo-voltage measurements Chawasak Rakpenthai Sermsak Uatrongjit Engineering © 2015 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc. This paper presents a new hybrid state estimation method based on the concept of pseudo-voltage measurements for a power system containing both conventional and synchronizing phasor measurements. Actual measurement data is employed to calculate the magnitude and phase of the pseudo-voltage. In the proposed formulation, the measurement matrix describing the relations between the measured data and the state variables contains only 0 or 1. Then the state estimation problem is formulated based on the weighted least-squares criterion, and its solution can be obtained without using iterative procedures. Comparisons with previous hybrid state estimation methods have been performed on IEEE 14-bus, 57-bus, and 118-bus systems. Numerical experimental results indicate that the proposed approach yields solutions of comparable accuracy with other methods but with shorter computation times. Moreover, the proposed method also provides superior results in the presence of bad data. 2018-09-04T10:14:26Z 2018-09-04T10:14:26Z 2015-10-01 Journal 19314981 19314973 2-s2.0-84944524951 10.1002/tee.22160 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84944524951&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/54478
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Engineering
spellingShingle Engineering
Chawasak Rakpenthai
Sermsak Uatrongjit
A new hybrid state estimation based on pseudo-voltage measurements
description © 2015 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc. This paper presents a new hybrid state estimation method based on the concept of pseudo-voltage measurements for a power system containing both conventional and synchronizing phasor measurements. Actual measurement data is employed to calculate the magnitude and phase of the pseudo-voltage. In the proposed formulation, the measurement matrix describing the relations between the measured data and the state variables contains only 0 or 1. Then the state estimation problem is formulated based on the weighted least-squares criterion, and its solution can be obtained without using iterative procedures. Comparisons with previous hybrid state estimation methods have been performed on IEEE 14-bus, 57-bus, and 118-bus systems. Numerical experimental results indicate that the proposed approach yields solutions of comparable accuracy with other methods but with shorter computation times. Moreover, the proposed method also provides superior results in the presence of bad data.
format Journal
author Chawasak Rakpenthai
Sermsak Uatrongjit
author_facet Chawasak Rakpenthai
Sermsak Uatrongjit
author_sort Chawasak Rakpenthai
title A new hybrid state estimation based on pseudo-voltage measurements
title_short A new hybrid state estimation based on pseudo-voltage measurements
title_full A new hybrid state estimation based on pseudo-voltage measurements
title_fullStr A new hybrid state estimation based on pseudo-voltage measurements
title_full_unstemmed A new hybrid state estimation based on pseudo-voltage measurements
title_sort new hybrid state estimation based on pseudo-voltage measurements
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84944524951&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/54478
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