POWER FACTORS AND ELECTRICAL DEMANDS OF CENTER-PIVOT IRRIGATION MACHINES.

被引：0
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作者：
Stetson, L.E.
Nelson, S.O.
机构：
来源：
Transactions of the American Society of Agricultural Engineers | 1975年 / 18卷 / 04期
关键词：
AGRICULTURAL MACHINERY - ELECTRIC POWER UTILIZATION;
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摘要：
Some operating characteristics of electrically driven, center-pivot irrigation machines were measured in the field. Peak power demands over fractional-minute periods were about twice the average demand. Power factors for the machines ranged between 0. 3 and 0. 5, and at least 1 kVA per connected hp was necessary to meet average electrical demands. Results from these tests are presented.
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页码：673 / 676
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