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小區低壓配電柜控制柜保養規程

文章出處:本站 人氣:6292 發表時間:2022-01-10 10:47:17

小區低壓配電柜控制柜保養規程。

1.實行分段保養,先保養保安負荷段。

2.停保安負荷電,若負荷照常供市電,斷開供保安負荷市電的空氣開關,把發電機選擇開關置于&ldquo;停止&rdquo;位置,拆開蓄電池正、負線,拴標示,以防發電機發送電。

3.檢查母線接頭處有無變形,有無放電變黑痕跡,緊固聯接螺栓,螺栓若有生銹應予更換,確保連接緊密,檢查母線上的緣子有無松動和損壞。

4.用手柄把總空氣開關從配電柜中搖去,檢查主觸點是否有燒熔痕跡,檢查滅孤罩是否燒黑和損壞,緊固各接線螺絲,清潔柜內灰塵,試驗機械的合閘。

5.把各分開柜從抽柜中取出,緊固各接線端子,檢查電流互感器、電流表、電度表的安裝和接線,檢查手柄操作機構的靈活可靠性,緊固空氣茁壯成長進出線,清潔開關柜內和配電柜后面引出線處的灰塵。

6.保養電容柜時,應先斷開電容器總開關,用10毫米以上的導線把電容器逐個對地放電,然后檢查接觸器,電容器接線螺絲,接地裝置是否良好,檢查電容器有無脹肚現象,并用吸塵器清潔柜內灰塵。

7.保安負荷保養完畢,可起動發電機對其供電,停市電保養纂母線段。

8.逐級斷開低壓側空氣開關,然后斷開供變壓器電的高壓側真空斷路器合上接地開關,懸掛&ldquo;禁止合閘,有人工作&rdquo;標示。

9.按3,4,5,6項全數要求保養完畢配電柜后,拆除可靠裝置,斷開高壓側接地開關,合上真空斷路器,觀察變壓器投人運行無誤后,向低壓配電柜逐級送電,并把保安負荷電發電機供電轉為市供電。

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