单词 | commutate |
释义 | commutate, v.|ˈkɒmjuːteɪt| [f. L. commūtāt- ppl. stem of commūtāre: see -ate, and cf. permutate.] †1. intr. To change. Obs. rare.
a1652Brome Love-sick Court. ii. i, I still am thine and cannot commutate, I am as certain to thee as thy fate. 2. Electr. = commute v. 6. So ˈcommutated ppl. a., ˈcommutating ppl. a. and vbl. n.
1890W. James Princ. Psychol. I. 26 It is like the great commutating switch-board at a central telephone station. 1893W. P. Maycock Electric Lighting ii. vii. 228 There is a similarity in the methods of commutating the currents. 1896D. C. & J. P. Jackson Altern. Curr. II. 261 When the commutating point is reached during the rotation of the commutator, the trailing brushes move on to intermediate segments. Ibid. 624 Commutated Armature. The armature may be wound with the coils so arranged that their conductors are in series when starting and in parallel when running. 1916Standardization Rules Amer. Inst. Electr. Engin. 22 Commutating Machines. 1962Newnes Conc. Encycl. Engin. 144/2 (heading) E.M.F. in commutating coils. |

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