Optimal load flow in hydro-thermal systems: Computational experience with newton's method

M. E. El-Hawary*, D. H. Tsang

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

Abstract

In this paper the problem of optimal load flow in a hydro-thermal electric power system is considered. It is assumed that the hydro generation resources are energy limited. As a result, a dynamic optimization problem involving the daily schedule of the system is encountered. The scheduling problem requires the solution of a large scale set of nonlinear simultaneous equations. In this paper Newton's method is used to solve the scheduling problem. The algorithm has been successfully tested with five test systems varying in size from a 5 bus system to a 57 bus system. Results of the computational experience are summarized in this paper.

Original languageEnglish
Pages (from-to)367-385
Number of pages19
JournalElectric Machines and Power Systems
Volume11
Issue number5
DOIs
Publication statusPublished - 1986
Externally publishedYes

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