| 变压器作用 |
| 添加时间：2018/7/5 14:08:10 浏览次数： |
| 变压器作用 Transformer function 变压器是变换交流电压、电流和阻抗的器件，当初级线圈中通有交流电流时，铁芯（或磁芯）中便产生交流磁通，使次级线圈中感应出电压（或电流）。变压器由铁芯（或磁芯）和线圈组成，线圈有两个或两个以上的绕组，其中接电源的绕组叫初级线圈，其余的绕组叫次级线圈。在发电机中，不管是线圈运动通过磁场或磁场运动通过固定线圈，均能在线圈中感应电势，此两种情况，磁通的值均不变，但与线圈相交链的磁通数量却有变动，这是互感应的原理。变压器就是一种利用电磁互感效应，变换电压，电流和阻抗的器件。 A transformer is a device that transforms the AC voltage, current and impedance. When the primary coil has an alternating current, the core (or core) produces the AC flux, which induces the voltage (or current) in the secondary coil. A transformer consists of an iron core (or a core) and a coil. The coil has two or more than two windings, in which the winding of the power supply is called the primary coil and the rest of the winding is called the secondary coil. In the generator, whether the coil motion passes through a magnetic field or a magnetic field through a fixed coil, the induction potential can be induced in an on-line loop. In these two cases, the magnetic flux values are all the same, but the flux number of the coils intersecting the chain is changed, which is the principle of mutual inductance. Transformer is a device that uses electromagnetic mutual inductance to transform voltage, current and impedance. 变压器是一种静止的电气设备。它是根据电磁感应的原理，将某一等级的交流电压和电流转换成同频率的另一等级电压和电流的设备。作用：变换交流电压、交换交流电流和变 A transformer is a static electrical equipment. It is based on the principle of electromagnetic induction, converting a certain level of AC voltage and current to another voltage and current at the same frequency. Function: changing alternating voltage, exchanging alternating current and changing. 换阻抗 Change impedance |
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