冀東普天產品名稱:高壓電纜
聯系電話:18231629041
冀東產品描述:
6kV~35kV 中低壓銅芯及鋁芯交聯聚乙烯絕緣電力電纜(YJV電纜,YJV22電纜,YJLV電纜,YJLV22電纜)XLPE Insulated Power Cable
交聯聚乙烯絕緣電力電纜是采用化學方法或物理方法,使聚乙烯分子由線型分子結構轉變為三維網狀結構,由熱塑性的聚乙烯變成熱固性的交聯聚乙烯,從而提高了聚乙烯的耐老化性能,機械性能和耐環境能力,并保持了優良的電氣性能?! 〗宦摼垡蚁┙^緣電力電纜導體的允許長期最高溫為90攝氏度,較低絕緣電纜,聚氯乙烯絕緣電纜和聚乙烯絕緣電纜高,且具有重量輕,結構簡單,使用方便,耐化學腐蝕和敷設不受落差限制等優點。26/35KV電力電纜,18/30KV交聯電纜,12/20KVYJV電纜,8.7/15KVYJV22電纜線,6/10KV鋁芯交聯電纜線,3.6/6KVYJLV單芯電纜 中低壓交聯電纜產品標準 Standard 本產品按GB12706《額定電壓35V及以下銅芯,鋁芯塑料絕緣電力電纜》標準生產,同時還可根據用戶需要按國際電工委員會推薦標準IEC,英國標準,德國標準及美國標準生產。The product is manufactured according to the standard of《GB12706 or IEC,BS,DIN and ICEA upon request.適用范圍 Applications 本產品適用于工頻額定電壓3.6/6kv~26/35kv輸配電線路作配送電能子用。The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6/6kv~26/35kv.使用特性 Operating characteristics· 工頻額定電壓U0/U為3.6/6kv~26/35kv。Rated power-frepuency voltage U0/U: 3.6/6kv~26/35kv.· 電纜導體的最高允許工作溫度:90℃。Max.admissible operating temperature of the conductor:90℃.· 短路時(最長時間不超過5s)電纜導體的最高溫度不超過2500C。Max. short-circurt temperature of conductor shall not exceed 2500C.(5s maximum duration)· 電纜敷設時環境溫度應不低于00C。The ambient temperature under installation should not below 00C.· 電纜彎曲半徑:三芯電纜不小于電纜外徑15倍;單芯電纜不小于電纜外徑20倍。The bending radius of a single-core cable should not less than 20 times of the cable diameter. The bending radius of a single-core cable should not less than 15 times of the cable diameter. 電纜額定電壓的選擇 Voltage designation· 電纜的額定電壓應適合于電纜系統的運行狀況,用U0/U(Um)kv表示。U0-電纜設計用的導體對地或金屬屏蔽之間的額定工頻電壓;U-電纜設計用的導體間的額定工頻電壓;Um-設備可承受的“最高系統電壓”的最大值。The rated voltage of the cable for a given applixation shall be suitable for the operating conditionsin the system in which the cable is used,and is expressed in the form of U0/U(Um)kvWhere:U0-The rated power-frequency voltage between conductors and earth metallic screen ,for which the cable designed;U - The rated power-frequency voltage between conductos, for which the cable designed;Um- The maximum value of the“highest system voltage”for which the equipment may beused.· 三相系統用電纜的U0值推薦如下表:The values of U0 recommened for cable to be used in three-phase systems are listed below: