Power flow based monitoring of state estimation using the weighted least square

Andi Nur Putri, Ontoseno Penangsang, Mochammad Apriyadi Hadi Sirad

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

his current study aims to analyzing the results of measurements of Remote Terminal Unit and detect bad measurement on the bus by using State Estimation. The research was conducted at Load Control Unit of PT. PLN SULSELRABAR (South, Southeast, and West Sulawesi, hereafter SULSELRABAR). The data used in the analysis were data of channel impedance, and the results of RTU measurements, including data about bus, voltage, MVAR injection, and load data in the electric system of SULSELRABAR. The results reveal that from 37 buses in the system, 22 buses can be monitored via the RTU, and 30 buses can be estimated by using the estimation method with Weighted Least Square (WLS). Based on the results of state estimation, bad measurements occurred on the bus of 27 and of 29, with error levels of 0.0575 and 0.0871 respectively.

Original languageEnglish
Title of host publicationProceedings - 2020 International Seminar on Application for Technology of Information and Communication
Subtitle of host publicationIT Challenges for Sustainability, Scalability, and Security in the Age of Digital Disruption, iSemantic 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages408-411
Number of pages4
ISBN (Electronic)9781728190686
DOIs
Publication statusPublished - 19 Sept 2020
Externally publishedYes
Event2020 International Seminar on Application for Technology of Information and Communication, iSemantic 2020 - Semarang, Indonesia
Duration: 19 Sept 202020 Sept 2020

Publication series

NameProceedings - 2020 International Seminar on Application for Technology of Information and Communication: IT Challenges for Sustainability, Scalability, and Security in the Age of Digital Disruption, iSemantic 2020

Conference

Conference2020 International Seminar on Application for Technology of Information and Communication, iSemantic 2020
Country/TerritoryIndonesia
CitySemarang
Period19/09/2020/09/20

Keywords

  • Bad measurement
  • Monitoring System
  • Remote Terminal Units
  • State Estimation
  • Weighted Least Square

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