高壓開關櫃選購要點
1.明確項目定位
gaoyakaiguanguishichengtaodezuhechanpin,muqianguoneisuiyoushubaijiashengchanchangshang,danqihexinbujianrengcaiyongjinkoudechanpinweizhu,ruguoyudaojishuwenti,shebeiweihuhegenghuandoubijiaomafan,yinci,zaiyusuanchongyudeqingkuangxia,yingjinliangxuanzezhimingdepinpai,youyuqibeihuochongzu,yudaowentishidejiejuexiaolvbijiaogao。
2.檢驗資質
選購前要向生產廠家索取開關櫃出廠試驗大綱(或要求),一般正規生產廠家都會有的,應該搞清楚主要元器件是否按圖紙要求配置並選擇了指定品牌,如西門子、施奈德等。
3.櫃體材料
高壓開關櫃體積較大,因此,櫃體材料對價格影響很大,一般情況下,部件支架等都采用進口敷鋁鋅板,而門板則采用300係列優質鋼板。
4.整組櫃排列
櫃體排列次序及操作麵位置是製造廠考慮製作櫃內隔板、終端護板、母mu線xian分fen段duan支zhi架jia等deng問wen題ti時shi正zheng確que施shi工gong依yi據ju,平ping麵mian布bu置zhi圖tu要yao與yu現xian場chang進jin出chu線xian實shi際ji位wei置zhi吻wen合he,尤you其qi是shi要yao正zheng確que表biao示shi出chu櫃gui體ti操cao作zuo麵mian方fang向xiang,才cai能neng使shi高gao壓ya櫃gui到dao達da現xian場chang後hou能neng順shun利li進jin行xing安an裝zhuang。往wang往wang起qi先xian不bu予yu重zhong視shi,設she備bei到dao達da現xian場chang後hou,發fa覺jiao與yu現xian場chang要yao求qiu不bu符fu合he,最zui後hou導dao致zhi返fan工gong。
5.進出線方式
開關櫃上常規進出線基本有二種連接方式:(1)進出線電纜電纜室連接,(2)jinchuxianyouguidingchuanqiangtaoguanyinchu,bingyumuxianqiaojiaxianglianmuxianqiaojiazaijingchuanqiangtaoguanyujiakongxianlianjie。yeyoushaoshuyonghu,dianlandianlanjiayouguidingyinru,guineilianjie,guidinglianjie,lingsheanquanwangjia。yonghudinghuoshitigongleyicixitongtuhebiaozhunfangan,danjinchuxianfangshibukenengwanquanbiaodashifenqingchu,yonghuyinggaixianchangshijianzhuangyaoqiujishuxieyizhongjiayishuomingweituo,daoxianchanganzhuangshifashengkunnan。
6.斷路器開斷容量正確選擇
一次係統圖上,所選用斷路器,表明斷路器型號、額定工作電壓、edinggongzuodianliuwaihaibixuxuandingduanluqikaiduanrongliang。youyonghutuzhi,duanluqikaiduanrongliangbuxuanding,shizhizaochangjinxinggongchengshejishidailaikunnan,kaiduanrongliangxuanzeyaoyijuxitongduanlucanshulaixuanding,ruozhizaochangbulejiexitongduanlucanshushihennanzuochuzhengquexuanze。haiyouxieyonghutuzhi,bukaolvxitongduanlucanshuqingkuang,mangmuxuanzegaokaiduancanshu,zaochengbubiyaolangfeizijin。zhengquexuanzekaiduanrongliangshihenzhongyao,jiyaobaozhenganquanyunxing,youyaokaolvdaojiangdichanpinchengben
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