Microcomputer Spreadsheet Calculations for Application in Power Systems

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Abstract
This paper reports on the application of a popular spreadsheet program to the solution of selected problems in Power Systems with the IBM Personal Computer in the context of the Power Engineering Curriculum at The University of Calgary. The problems selected are inductance and capacitance calculations for overhead transmission lines and numerical integration associated with a typical transient stability study. These examples demonstrate how a spreadsheet harnesses the power of the microcomputer to automate many time- consuming "What if" conputational tasks by fuctioning as a visible processor, i.e. by providing an instantly changeable, "scrollable" on-line window on the mchine- stored version of the familiar worksheet used in business applications. The templates created for the application examples cited in the paper clearly highlight the fact that problem solving with a spreadsheet is data-oriented rather than program-oriented, mlike problem solving with computers using the conventional approach. Because of their versatility, visible numeric ic processors hold considerable promise as important high-tech tools for engineering and scientific applications as well.

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