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单词 tap changer
释义
tap changer

Electronics and Electrical Engineering
  • A device that alters the ratio of a transformer by selecting the desired tapping. One that is designed to be used only when the supply voltage is switched off is an off-circuit tap changer. If it is designed to operate when the supply voltage is switched on it is an on-load tap changer, although the transformer need not necessarily be on load for operation of the tap changer.


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