单词 | self-excite |
释义 | self-excitev.ΘΚΠ the mind > emotion > excitement > be or become excited [verb (intransitive)] stira1000 resea1250 to move one's blood (also mood)c1330 fluster1613 fever1632 foment1646 ferment1671 animate1779 self-excite1832 effervesce1850 to turn on1966 1832 in Richards's Welsh & Eng. Dict.: Geiriadur Cymraeg a Saesoneg 180/2 Hunanannog,..to self-excite. 2. intransitive. Of a device (esp. a dynamo or other rotating electromagnetic induction machine): to generate an electric current, magnetic field, etc., within itself. Also occasionally transitive (in passive). ΚΠ 1885 Electrician 14 Aug. 252/1 If R be larger the dynamo will not self excite. 1922 R. Glazebrook Dict. Appl. Physics II. 196/2 At this speed..the machine will not self-excite. 1962 Newnes Conc. Encycl. Electr. Engin. 672/2 An induction generator can be self-excited by means of a capacitor. 2015 A. Waygood Electr. Sci. for Technicians xii. 280 When an older generator simply ‘fails to self-excite’, it is likely the poles have no, or insufficient, residual magnetism to enable the terminal voltage to build up. This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022). < v.1832 |
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