Non-Linear Programming Based Optimal Power Flow (N-OPF) for Bulk Transmission Grid: Modeling and Comparative Study

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2 Scopus citations

Abstract

Optimal power flow is generally formulated as a non-convex and non-linear programming (NLP) problem. Traditionally, the OPF problem is solved in transmission systems through approximations and/or relaxation techniques. Such methods lead to infeasible and inaccurate solutions. This paper provides a numerical analysis of the performance of different NLP OPF formulations, such as the Interior Point Method (IPM), Sequential Quadratic Programming (SQP), and Alternating Direction Method of Multipliers (ADMM) in terms of, feasibility, optimality, and scalability. The performances are evaluated using small (IEEE 9 bus and 14 bus), medium (IEEE 30 bus, 39 bus, and 57 bus), and large (IEEE 118 bus) test cases.

Original languageEnglish
Title of host publication2023 IEEE Industry Applications Society Annual Meeting, IAS 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350320169
DOIs
StatePublished - 2023
Externally publishedYes
Event2023 IEEE Industry Applications Society Annual Meeting, IAS 2023 - Nashville, United States
Duration: Oct 29 2023Nov 2 2023

Publication series

Name2023 IEEE Industry Applications Society Annual Meeting, IAS 2023

Conference

Conference2023 IEEE Industry Applications Society Annual Meeting, IAS 2023
Country/TerritoryUnited States
CityNashville
Period10/29/2311/2/23

Funding

This article is based upon work supported in part by the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) under the Solar Energy Technology Office Award Number DE-EE0008774. The authors are with the Energy Production and Infrastructure Center (EPIC) and the Department of Electrical and Computer Engineering of the University of North Carolina at Charlotte, Charlotte, NC 28223, USA. (e-mail: [email protected]; [email protected]).

Keywords

  • Alternating Direction Method of Multipliers (ADMM)
  • Bus Injection Model
  • Interior Point Method (IPM)
  • Optimal power flow (OPF)
  • Sequential Quadratic Programming (SQP)

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