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单词 Step down transformer
释义

Step down transformer

中文百科

变压器 Transformer

(重定向自Step down transformer)
外铁式变压器的同心结构有助减少漏磁。
一个理想的降压变压器,此图画出了变压器芯中的磁通量。
理想变压器的电路图。
真实变压器的电路图,主/副线圈均有电阻及电感,
电阻导致铜损,铁损则通常放在左边(主线圈)。
RC代表铁损
XM代表磁阻

变压器英语:Transformer)是应用法拉第电磁感应定律而升高或降低电压的设备。变压器通常包含两组或以上的线圈。主要用途是升降交流电的电压、改变阻抗及分隔电路。电路符号常用T当作编号的开头。例:T01, T201等

英语百科

Transformer 变压器

(重定向自Step down transformer)
Pole-mounted distribution transformer with center-tapped secondary winding used to provide 'split-phase' power for residential and light commercial service, which in North America is typically rated 120/240 V.[1][2]
 Ideal transformer connected with source VP on primary and load impedance ZL on secondary, where 0 < ZL < ∞.
Ideal transformer and induction law[lower-alpha 5]
Instrument transformer, with polarity dot and X1 markings on LV side terminal

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. Electromagnetic induction produces an electromotive force within a conductor which is exposed to time varying magnetic fields. Transformers are used to increase or decrease the alternating voltages in electric power applications.

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