Adaptation of the simplex algorithm to modeling of cold load pickup of a large secondary network distribution system

Melih H. Yolcu, Zivan Zabar, Leo Birenbaum, Seymour A. Granek

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This paper describes a mathematical approach to the determination of the electrical load composition of a secondary network during cold-load re-energization. It is intended to answer two questions: What fraction of the normal steady-state demand must be restored at the time of re-energization in the most pessimistic case? What is the composition of this worse case restoration load? The answers were obtained by making use of the Simplex Algorithm, a mathematical, but physically based, optimization procedure. The input data consisted of a customer survey of connected-load; maximum demand for this customer sample; experiencebased power requirement limits as a function of the time-of-day. For comparison with the mathematically-based results, on-site visits were made to representative commercial enterprises. The results were used to construct, independently, a second cold-load restoration model. The two models were surprisingly close.

Original languageEnglish (US)
Title of host publicationPower System Restoration
Subtitle of host publicationMethodologies and Implementation Strategies
PublisherWiley-IEEE Press
Pages565-568
Number of pages4
ISBN (Electronic)9780470545607
ISBN (Print)0780353978, 9780780353978
DOIs
StatePublished - Jan 1 2000

Keywords

  • Equations
  • Lighting
  • Load modeling
  • Manuals
  • Mathematical model
  • Steady-state
  • Surges

ASJC Scopus subject areas

  • Energy(all)

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