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单词 differential winding
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differential winding
differential winding n. Electrical Engineering (in some electromagnets, galvanometers, transformers, etc.) a winding (winding n.1 8b) that is in the opposite direction to another (typically adjacent) winding, or that produces an effect that counters that of the other winding.
ΚΠ
1882 Official Gaz. (U.S. Patent Office) 28 Feb. 585/2 A local relay having a double set of differential windings or helices which form parts of local circuits.
1922 D. C. Jackson & J. P. Jackson Alternating Currents & Alternating Current Machinery (new ed.) xi. 656 The relay C consists of a U-shaped magnet core carrying a differential winding and provided with a pivoted armature which controls a circuit contact.
1992 S. H. Horowitz & A. G. Phadke Power Syst. Relaying viii. 205 Very small currents flow in the differential windings of the three relays during normal conditions.
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