變頻電纜工藝要求;
在(zai)變(bian)頻電(dian)(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)(dian)纜(lan)(lan)生產(chan)過程中,絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)線芯(xin)(xin)擠(ji)(ji)包工(gong)(gong)序(xu)(xu)、成(cheng)纜(lan)(lan)工(gong)(gong)序(xu)(xu)等是zui關鍵的工(gong)(gong)序(xu)(xu)。絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)線芯(xin)(xin)擠(ji)(ji)包工(gong)(gong)序(xu)(xu)絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)線芯(xin)(xin)的質(zhi)量將(jiang)直接影響到電(dian)(dian)(dian)(dian)纜(lan)(lan)的電(dian)(dian)(dian)(dian)氣(qi)性(xing)(xing)能。為了提高(gao)電(dian)(dian)(dian)(dian)纜(lan)(lan)的質(zhi)量,我們(men)選擇(ze)高(gao)電(dian)(dian)(dian)(dian)性(xing)(xing)能絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)材(cai)(cai)料(liao)生產(chan),例如1.8/3kv變(bian)頻電(dian)(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)(dian)纜(lan)(lan),采(cai)用10kV交聯絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)材(cai)(cai)料(liao),6/10kv變(bian)頻電(dian)(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)(dian)纜(lan)(lan)采(cai)用35kv交聯絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)材(cai)(cai)料(liao),導體屏(ping)蔽、絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)屏(ping)蔽和絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)材(cai)(cai)料(liao)均(jun)采(cai)用了進口(kou)材(cai)(cai)料(liao)。在(zai)生產(chan)過程中,我們(men)特別注重原材(cai)(cai)料(liao)的凈化(hua),屏(ping)蔽與絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)材(cai)(cai)料(liao)擠(ji)(ji)包緊(jin)密,控制絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)偏心度和絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)外(wai)徑的均(jun)勻一(yi)致,這樣可減少界面(mian)效應(ying),提高(gao)電(dian)(dian)(dian)(dian)纜(lan)(lan)電(dian)(dian)(dian)(dian)氣(qi)性(xing)(xing)能。成(cheng)纜(lan)(lan)工(gong)(gong)序(xu)(xu)變(bian)頻電(dian)(dian)(dian)(dian)纜(lan)(lan)要求結(jie)構對(dui)稱,成(cheng)纜(lan)(lan)時必須保證絕(jue)緣(yuan)(yuan)(yuan)(yuan)(yuan)線芯(xin)(xin)張力均(jun)勻,使成(cheng)纜(lan)(lan)后的線芯(xin)(xin)長度盡量保持一(yi)致,否(fou)則會引起結(jie)構變(bian)化(hua),導致電(dian)(dian)(dian)(dian)容和電(dian)(dian)(dian)(dian)感的不均(jun)勻性(xing)(xing),影響電(dian)(dian)(dian)(dian)纜(lan)(lan)的電(dian)(dian)(dian)(dian)氣(qi)性(xing)(xing)能。
變頻電纜使用條件;
1、 額定(ding)電(dian)壓U0/U:0.6/1KV
2、 電纜導(dao)體長期允許(xu)zui高(gao)溫度(du)為90度(du),短路時zui高(gao)溫度(du)250度(du)
3、 安裝敷(fu)設環境(jing)溫度(du)不(bu)低于(yu)0度(du),固定敷(fu)設時環境(jing)溫度(du)不(bu)低于(yu)-10度(du)
4、 電纜允許zui小(xiao)彎曲半徑(jing)不小(xiao)于(yu)15D(D-電纜外(wai)徑(jing),mm)
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