| 单词 | lap winding |
| 释义 | > as lemmaslap winding lap winding n. Electrical Engineering a kind of armature winding in which the two ends of each coil are connected to adjacent commutator segments, so that each coil overlaps the next. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > armature > [noun] > types of winding ring winding1887 lap winding1892 wave winding1892 slot winding1900 barrel winding1902 bar winding1903 1892 S. P. Thompson Dynamo-electr. Machinery (ed. 4) xii. 311 When we go on to those cases in which the winding is entirely exterior to the core, as for drum armatures, or to those in which there is no core at all, namely for disk armatures, we find that there are two distinct modes of procedure, which we may respectively denote as lap-winding and wave-winding. 1902 Encycl. Brit. XXVII. 582/1 By the first, or lap winding,..the end of the loop is taken to a commutator sector, and thence starts off again to a third inductor. 1937 A. S. Langsdorf Theory Alternating-current Machinery v. 295 The end connections of a distributed winding may be arranged in several ways, all electrically identical... The order of grouping and the resultant shape of the coils give rise to the respective designations of spiral, lap, and wave windings. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) XIV. 505/2 Lap windings are adapted to high-current machines because they may have more than two parallel paths, whereas the wave windings are adapted to small-capacity machines and high-voltage machines because of the series connection of the coils. < as lemmas |
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