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中國抖阴视频污污污電器分析空開和斷路器的幾個區別

2020/10/31 9:54:21點擊:

1、空氣開關一般在小電流電路中主要起“隔離”和“保護裝置”的作用,也叫自動開關,也叫空氣斷路器。

2、斷路器有很好的滅弧能力,在電路短路大電流情況下,自動跳閘;在高電壓、大電流電路中,常用作停電、送電,接通、斷開負荷的操作電器。

3、電壓等級的區別:一般空氣開關合用的電壓等級為500V以下,而斷路器通常可以合用於220V以上的各電壓等級。

4、遮斷電流的能力不同:一般斷路器能承受的負荷及短路電流更大些。

5、滅弧介質和方式的區別:斷路器的滅弧介質和方式不但有空氣斷路器,還有真空斷路器,多油斷路器,少油斷路器,六氟化硫斷路器等。

6、配套設備的區別:一般相對於空開來講斷路器的丈量,邏輯及執行部門的機構所配套的設備更複雜一些。

7、斷路器有真空斷路器和SF6斷路器等多種型號,它的開斷電流要比普通的空氣開關大,開斷容量也要更大,真空斷路器一般用於6KV的係統,SF6斷路器用於500KV變電站,兩者都用直流110V作為控製電源,由控製信號觸發才會動作,一般的空開用在380/220係統,相當於刀閘