Document Type

Thesis - Open Access

Award Date

1971

Degree Name

Master of Science (MS)

Department / School

Electrical Engineering

First Advisor

John E. Lagerstrom

Abstract

Determining the optimum generation schedule for a power system has been a basic problem in the electrical power industry for many years. The computations needed to determine the optimum generation schedule are becoming more complex and the need for greater accuracy increases, for a percentage savings represents total dollar savings on the ever-growing power systems. The most accurate method for determining the optimum generation schedule has come to be known as the phase-angle method. This method gives an optimum generation schedule for minimum fuel input where the fuel input is expressed in monetary units per unit of time. The only restriction placed on this method is that the voltage magnitudes remain fixed for each iteration. This is a realistic restriction, for if no voltage need be fixed the principle that the higher the voltage the less the losses and the less the fuel input would apply. With one voltage magnitude fixed there will be at least one optimum voltage profile which will insure minimum fuel input cost to the system. The purpose of this thesis is to analyze the phase-angle method when applied to actual power system data. The data used were obtained from the Northwestern Public Service Company (NWPS) whose headquarters are in Huron, South Dakota.

Library of Congress Subject Headings

Electric power production

Format

application/pdf

Number of Pages

97

Publisher

South Dakota State University

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