Abstract
IN a paper read in London on March 16 before the Institution of Electrical Engineers by Mr. P. Schiller, an analysis is presented of the load on the system of the Northmet Power Co. during the year ended June 30, 1939. The block of annual load is split up into a basic or all-the-year-round portion, and a seasonal portion, the latter representing all the consumption due to space heating and about half that due to lighting. The basic portion is sub-divided into its principal components, and for the seasonal portion, an attempt is made to separate lighting load and space-heating load, in respect of both demand and annual consumption. Seasonal demand curves are developed, in which the load at a certain time of day is plotted for a series of days, and compared with the simultaneous conditions of outdoor temperature and illumination. The annual load factors of modern lighting and space-heating loads are found to be normally of equal order of magnitude; in a year with a cold snap the load factor of the latter may even be considerably lower than that of the former. Characteristic collective and component load curves are given, and graphs are presented dealing particularly with the space-heating load. The paper concludes with recommendations for further research.
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Electricity Supply System Load Analysis. Nature 153, 430 (1944). https://doi.org/10.1038/153430c0
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DOI: https://doi.org/10.1038/153430c0