Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions
This paper presents a new efficient computation technique for robust power system state estimation based on weighted least absolute value (WLAV) criterion. The proposed method employs rectangular form of state variables and equivalent measurements technique in order to obtain the linear measurement...
Saved in:
Main Authors: | , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
2014
|
Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-80054716519&partnerID=40&md5=26f8aa0487da5497df1474ef7f99b858 http://cmuir.cmu.ac.th/handle/6653943832/1540 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Institution: | Chiang Mai University |
Language: | English |
id |
th-cmuir.6653943832-1540 |
---|---|
record_format |
dspace |
spelling |
th-cmuir.6653943832-15402014-08-29T09:29:26Z Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions Rakpenthai C. Uatrongjit S. Ngamroo I. Watson N.R. This paper presents a new efficient computation technique for robust power system state estimation based on weighted least absolute value (WLAV) criterion. The proposed method employs rectangular form of state variables and equivalent measurements technique in order to obtain the linear measurement functions with linear constraints of state variables. The state estimation problem is then formulated as an optimization problem with a set of equality and inequality constraints. A solution method based on interior point algorithm is also proposed. Tests with several IEEE standard systems have been performed to investigate the performance of the proposed algorithm. Results indicate that the proposed state estimator gives promising performance compared with weighted least square (WLS) based estimation algorithms using state variables in polar forms. © 2011 Institute of Electrical Engineers of Japan. 2014-08-29T09:29:26Z 2014-08-29T09:29:26Z 2011 Article 19314973 10.1002/tee.20692 http://www.scopus.com/inward/record.url?eid=2-s2.0-80054716519&partnerID=40&md5=26f8aa0487da5497df1474ef7f99b858 http://cmuir.cmu.ac.th/handle/6653943832/1540 English |
institution |
Chiang Mai University |
building |
Chiang Mai University Library |
country |
Thailand |
collection |
CMU Intellectual Repository |
language |
English |
description |
This paper presents a new efficient computation technique for robust power system state estimation based on weighted least absolute value (WLAV) criterion. The proposed method employs rectangular form of state variables and equivalent measurements technique in order to obtain the linear measurement functions with linear constraints of state variables. The state estimation problem is then formulated as an optimization problem with a set of equality and inequality constraints. A solution method based on interior point algorithm is also proposed. Tests with several IEEE standard systems have been performed to investigate the performance of the proposed algorithm. Results indicate that the proposed state estimator gives promising performance compared with weighted least square (WLS) based estimation algorithms using state variables in polar forms. © 2011 Institute of Electrical Engineers of Japan. |
format |
Article |
author |
Rakpenthai C. Uatrongjit S. Ngamroo I. Watson N.R. |
spellingShingle |
Rakpenthai C. Uatrongjit S. Ngamroo I. Watson N.R. Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions |
author_facet |
Rakpenthai C. Uatrongjit S. Ngamroo I. Watson N.R. |
author_sort |
Rakpenthai C. |
title |
Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions |
title_short |
Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions |
title_full |
Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions |
title_fullStr |
Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions |
title_full_unstemmed |
Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions |
title_sort |
weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions |
publishDate |
2014 |
url |
http://www.scopus.com/inward/record.url?eid=2-s2.0-80054716519&partnerID=40&md5=26f8aa0487da5497df1474ef7f99b858 http://cmuir.cmu.ac.th/handle/6653943832/1540 |
_version_ |
1681419689576628224 |