V2EX voltage transformer

Voltage Transformer

定义 Definition

电压变压器:一种利用电磁感应在交流电路中升高或降低电压的装置(通常指电力系统中用于测量与保护的电压互感器/VT,也可泛指用于改变电压等级的变压器)。

发音 Pronunciation (IPA)

/voltd trnsfrmr/

例句 Examples

The voltage transformer steps 220 volts down to 12 volts for the device.
电压变压器把220伏降到12伏供设备使用。

In the substation, a voltage transformer provides an isolated, scaled-down signal for meters and protective relays.
在变电站里,电压变压器为电表和保护继电器提供隔离后的、按比例缩小的电压信号。

词源 Etymology

voltage 来自 volt(“伏特”,以科学家亚历山德罗伏打 Alessandro Volta 命名)+ 后缀 -age(表示“性质/状态/量”),指“电压”。transformer 来自 transform(改变形式/变换)+ -er(表示“执行者/装置”),字面义为“用来变换的装置”,在电工语境中特指通过电磁感应实现电压变换的设备。

相关词 Related Words

文学与著作 Literary Works

  • The Art of Electronics(《电子学艺术》)在电源与信号调理章节中讨论各类变压器及电压变换应用。
  • Electrical Machines, Drives, and Power Systems在电力变压器与电力系统测量/保护部分涉及电压互感器(voltage transformer / potential transformer)。
  • Power System Analysis and Design在变电站测量与保护配置中常出现 voltage transformer/VT 的用法。
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