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當前位置:天津市電纜總廠橡塑電纜廠>>阻燃高壓電力電纜>>ZR-YJV32 33 6/35KV 高壓阻燃電力電纜>> 小貓牌ZR-YJV32 鎧裝高壓電力電纜
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ZR-YJV33電纜,交聯(lián)聚乙烯絕緣電力電纜YJV33
小貓牌ZR-YJV32 鎧裝高壓電力電纜
6kV~35kV 中低壓銅芯及鋁芯交聯(lián)聚乙烯絕緣電力電纜(YJV電纜,YJV22電纜癌雷,YJLV電纜乡捧,YJLV22電纜) XLPE Insulated Power Cable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
交聯(lián)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(jié)構(gòu)轉(zhuǎn)變?yōu)槿S網(wǎng)狀結(jié)構(gòu),由熱塑性的聚乙烯變成熱固性的交聯(lián)聚乙烯,從而提高了聚乙烯的耐老化性能、機械性能和耐環(huán)境能力魄仙,并保持了優(yōu)良的電氣性能牵观。 交聯(lián)聚乙烯絕緣電力電纜導體的允許長期zui高溫為90攝氏度抓惫,較低絕緣電纜、聚氯乙烯絕緣電纜和聚乙烯絕緣電纜高塌自,且具有重量輕径楼、結(jié)構(gòu)簡單、使用方便悟旧、耐化學腐蝕和敷設不受落差限制等優(yōu)點嚼锄。 26/35KV電力電纜,18/30KV交聯(lián)電纜蔽豺,12/20KVYJV電纜区丑,8.7/15KVYJV22電纜線,6/10KV鋁芯交聯(lián)電纜線茫虽,3.6/6KVYJLV單芯電纜 中低壓交聯(lián)電纜產(chǎn)品標準 Standard 本產(chǎn)品按GB12706《額定電壓35V及以下銅芯刊苍、鋁芯塑料絕緣電力電纜》標準生產(chǎn),同時還可根據(jù)用戶需要按電工委員會推薦標準IEC濒析、英國標準正什、德國標準及美國標準生產(chǎn)。 The product is manufactured according to the standard of《GB12706 or IEC号杏、BS婴氮、DIN and ICEA upon request. 適用范圍 Applications 本產(chǎn)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盾致。 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℃主经。 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(huán)境溫度應不低于00C庭惜。 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倍佩捎;單芯電纜不小于電纜外徑20倍局权。 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(tǒng)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江眯; U-電纜設計用的導體間的額定工頻電壓锐膜; Um-設備可承受的“zui高系統(tǒng)電壓"的zui大值慎间。 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(tǒng)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:
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A類系統(tǒng)──該類系統(tǒng)任何一相導體與地和接地導體接觸時磷可,能在1min內(nèi)與系統(tǒng)分離 B類系統(tǒng)──該類系統(tǒng)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, 但在任何情況下犹狮,zui長不超過8h每年接地故障總持續(xù)時間不超過125h优学; C類系統(tǒng)──不屬于A類、B類的系統(tǒng)箱藏。 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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生產(chǎn)范圍Production range of cable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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