Modelling of DC Power Equations Applied to State Estimation in High Renewable Penetration Power Systems

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

Abstract

Growth in power systems has led to an increase in operational complexity, highlighting the importance of maintaining them in optimal conditions. State estimation in electric power systems is a crucial tool for determining the state of transmission networks through the use of sensors and topology information. This information is then utilized for contingency analysis and error detection/identification to ensure system reliability. To maintain optimal power system operations, state estimation and its associated techniques are critical components. This work focuses on analyzing DC state estimation using a statistical method and weighted least squares methodology. Anomalous measurements are filtered and corrected using Chi-Square. The algorithm was developed in MATLAB and verified in DIgSILENT PowerFactory. The IEEE 14-bus system, with added wind turbines, was used as a test system to determine security in the power grid through estimator confidence parameters. The results provide valuable insights into the efficacy of the DC state estimation process.

Original languageEnglish
Title of host publication2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies, GlobConHT 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350332117
ISBN (Print)9798350332117
DOIs
StatePublished - 2023
Event2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies, GlobConHT 2023 - Male, Maldives
Duration: 11 Mar 202312 Mar 2023

Publication series

Name2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies, GlobConHT 2023

Conference

Conference2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies, GlobConHT 2023
Country/TerritoryMaldives
CityMale
Period11/03/2312/03/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • Electrical Power System
  • Measurements
  • Minimum Squares
  • Power Flows
  • Status Estimate
  • Wind Generator

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