| 单词 | field excitation |
| 释义 | field excitation [`fēld ´ek·sī`tā·shǝn] MECHANICAL ENGINEERING Control of the speed of a series motor in an electric or diesel-electric locomotive by changing the relation between the armature current and the field strength, either through a reduction in field current by shunting the field coils with resistance, or through the use of field taps. |
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