220V的变压器的一次侧和二次侧是什么意思?
什么是变压器的一次侧和二次侧?
推荐回答(3个)
变压器的一次侧是指输入的那一侧.二次侧是输出的那一侧.如在发电站接发电机的就是一次侧.接输电线的就是二次侧.在农村和城市接高压线的是一次侧.接用户的是二次侧. 变压器是根据电磁感应原理制成的一种变换交流电压的设备.变压器一般有初线和次级两个互相独立绕组,这两个绕组共用一个铁芯.变压器初级绕组接通交流电源,在绕组内流过交变电流产生磁势,于是在闭合铁芯中就有交变磁通.初、次级绕组切割磁力线,在次级就能感应出相同频率的交流电.变压器的初,次级绕组的匝数比等于电压比..如一个变压器的初级绕组是440匝,次级是220匝.初级输入电压为220V,在变压器的次就能得到110V的输出电压.有的变压器可以有多个次级绕组和抽头.这样就可以获得多个输出电压了.变压器即可以降压也可以升压。如果变压器初次级绕组的比大于1时就是升压变压器了.用变压器可以方便的改变交流电压..
朋友,所谓变压器是根据电磁感应原理工作的一种交流电压变换的设备(电生磁、磁生电),它由一次侧和二次侧线圈和铁芯组成,也就是说 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。 。升压变压器也就是把系统低压升高为高压提供给负荷配电设备;降 压变压器也就是把系统高压降低为低压提供给负荷配电设备 ;220V的变压器一般为降压变压器,一次侧为高压侧一般接系统电源,二次侧为低压侧一般接负荷配电设备,它通过变压器,把系统220V电源接入变压器一次高压侧,经过变压器降压由二次低压侧提供符合设备需要的低压给用户使用。
一次电压是指电源输入电压,二次电压是指输出电压。
由于变压器的升压.降压的互性,主要看电源输入侧,具体的与你提出的一次.二次电流相同。还有分一次.二次线路,在用电器的一次线路为主线路,控制线路为二次线路。
在电力系统的降压配电中,高压线路为一次线路,变压器的低压输出端至用户端的低压线路为二次线路。还有一次.二次接线之分等等。
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