Abridgment of determination of generator speed and retardation during loss measurements

O. E. Charlton, W. Ketchum
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Abstract

This paper describes an instrument which was developed to make graphic records of generator revolutions and time, as the generator slows down under the action of its losses during retardation tests. The construction of speed — time curves from the records thus obtained is outlined. The principle of numerical differentiation is discussed and its application to the determination of the slope of the speed — time curve is pointed out. A complete example illustrating the application of this principle is included in the unabridged paper.
损耗测量时测定发电机转速和减速的简编
本文介绍了一种仪器,它可以在减速试验中发电机在损耗作用下减速时,用图形记录发电机的转数和时间。本文概述了从这些记录中构造速度-时间曲线的方法。讨论了数值微分的原理,指出了数值微分在确定速度-时间曲线斜率中的应用。这篇未删节的论文中有一个完整的例子,说明了这一原理的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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