YJV22高壓電力電纜
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。 交聯聚乙烯絕緣電力電纜導體的允許*zui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 |
YJV22高壓電力電纜
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zui高允許工作溫度:90℃。 Max.admissible operating temperature of the conductor:90℃. · 短路時(zui長時間不超過5s)電纜導體的zui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“zui高系統電壓”的zui大值。 The rated voltage of the cable for a given applixation shall be suitable for the operating conditions in the system in which the cable is used,and is expressed in the form of U0/U(Um)kv Where: 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*如下表: The values of U0 recommened for cable to be used in three-phase systems are listed below:
| ||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||
A類系統──該類系統任何一相導體與地和接地導體接觸時,能在1min內與系統分離 B類系統──該類系統僅包括單相接地故障短時運行的條件,接地故障時間應不超過1h, 但在任何情況下,zui長不超過8h每年接地故障總持續時間不超過125h; C類系統──不屬于A類、B類的系統。 System category A──This category comprises those systems in which any phase conductor that comes in contact with earth or an earth conductor. is disconnected from the system within 1 min. System category B ──This category comprises those system which,under faultconditions,are operated,are operated for ashorttimewith one phase earthed.This period should not exceed 1 h..Fora longer period, not exceeding 8h on any occasion, can be tolerated.The total duration of earth faults in any year should not exceed 125h. System categeory C──This category comprises all systems which do not fall into A and B 電纜的型號Type of cable | ||||||||||||||||||||||||||||||
|
YJV22高壓電力電纜
公司聲明:有問題的電纜絕不出廠嚴把質量關
公司宗旨;用戶*信譽*質量*
公司理念;把的產品交到客戶手中
公司名稱:天津市電纜總廠橡塑電纜廠
公司地址:河北省廊坊市大城縣劉演馬工業區
產品規格:普通規格(庫存現貨供應),特殊規格按照客戶要求訂做。
產品數量:起訂量為100米,量大優惠
包裝說明:米數短盤包裝,米數長軸包裝
阿里巴巴店鋪:tianjiandianlan.1688.com
:劉炎平
: