来源(yuan):环电电气有(you)限公司
关(guan)于(yu)(yu)高(gao)压(ya)环(huan)网(wang)柜是指环(huan)状(zhuang)的(de)(de)(de)配(pei)(pei)电(dian)(dian)(dian)网(wang),即由供(gong)(gong)电(dian)(dian)(dian)主(zhu)(zhu)(zhu)干构成(cheng)一(yi)(yi)个(ge)闭合的(de)(de)(de)环(huan),为该环(huan)状(zhuang)主(zhu)(zhu)(zhu)干提供(gong)(gong)电(dian)(dian)(dian)力(li),从(cong)(cong)(cong)(cong)主(zhu)(zhu)(zhu)干到整个(ge)环(huan)状(zhuang)主(zhu)(zhu)(zhu)干都通过高(gao)压(ya)开关(guan)进行外(wai)部(bu)配(pei)(pei)电(dian)(dian)(dian),其优点在于(yu)(yu),每个(ge)配(pei)(pei)电(dian)(dian)(dian)网(wang)的(de)(de)(de)分支既可从(cong)(cong)(cong)(cong)左(zuo)边的(de)(de)(de)主(zhu)(zhu)(zhu)干获得(de)电(dian)(dian)(dian)力(li),也可从(cong)(cong)(cong)(cong)右(you)边的(de)(de)(de)主(zhu)(zhu)(zhu)干获得(de)电(dian)(dian)(dian)力(li)。在左(zuo)主(zhu)(zhu)(zhu)干发生故障时,它从(cong)(cong)(cong)(cong)右(you)主(zhu)(zhu)(zhu)干继(ji)续(xu)获得(de)电(dian)(dian)(dian)力(li);在右(you)主(zhu)(zhu)(zhu)干发生故障时,它从(cong)(cong)(cong)(cong)左(zuo)主(zhu)(zhu)(zhu)干继(ji)续(xu)获得(de)电(dian)(dian)(dian)力(li),这样,尽管(guan)总电(dian)(dian)(dian)源只有一(yi)(yi)条路供(gong)(gong)电(dian)(dian)(dian)。但(dan)是从(cong)(cong)(cong)(cong)各个(ge)分配(pei)(pei)部(bu)获得(de)的(de)(de)(de)收益却与双(shuang)路供(gong)(gong)电(dian)(dian)(dian)相似,从(cong)(cong)(cong)(cong)而提高(gao)了供(gong)(gong)电(dian)(dian)(dian)的(de)(de)(de)可靠(kao)性。下面(mian)小编告(gao)诉大(da)家高(gao)压(ya)环(huan)网(wang)柜的(de)(de)(de)原理(li)有哪些?
所谓高压环网柜,是指在每个配电支路上都设置一个开关柜(出线开关柜),这个开关柜的母线同时也是环网主干的一部分,也就是说,这个环网主干是由各出线柜的母线连接在一起构成的,每一个出线柜都被称为“高压环网柜”,实际上,单独地拿出一个高压环网柜,并不能看出“环网”的意思。
由于(yu)这些高(gao)压(ya)环(huan)网柜(ju)(ju)的(de)(de)额定电(dian)(dian)流(liu)都不大,所以高(gao)压(ya)环(huan)网柜(ju)(ju)的(de)(de)高(gao)压(ya)开(kai)关(guan)(guan)一般(ban)不采(cai)用结(jie)构复杂(za)的(de)(de)断(duan)(duan)(duan)路器,而是采(cai)用结(jie)构简单(dan)的(de)(de)高(gao)压(ya)负(fu)荷(he)开(kai)关(guan)(guan)和高(gao)压(ya)熔断(duan)(duan)(duan)器,即(ji),高(gao)压(ya)环(huan)网柜(ju)(ju)的(de)(de)高(gao)压(ya)开(kai)关(guan)(guan)一般(ban)是负(fu)荷(he)开(kai)关(guan)(guan),高(gao)压(ya)环(huan)网柜(ju)(ju)的(de)(de)负(fu)荷(he)开(kai)关(guan)(guan)运行(xing)电(dian)(dian)流(liu)正常,熔断(duan)(duan)(duan)器将短路电(dian)(dian)流(liu)移除,这两(liang)者相结(jie)合,取代(dai)了(le)断(duan)(duan)(duan)路器,当然这也只(zhi)限于(yu)特(te)定容量(liang)。
这种开(kai)关柜也(ye)全部可(ke)用(yong)于非环(huan)网(wang)结(jie)构的配电系(xi)统(tong)中,因此该开(kai)关柜得到(dao)了广泛(fan)的应用(yong)。"高压(ya)(ya)环(huan)网(wang)柜"跳出环(huan)网(wang)配电类别,泛(fan)指(zhi)高压(ya)(ya)开(kai)关柜,主要是负荷开(kai)关。
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