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當前位置：天津市電纜總廠橡塑電纜廠>>電力電纜>>銅芯高壓電力電纜>> YJV22-8.7/15鎧裝高壓電力電纜廠家
YJV22-8.7/15鎧裝高壓電力電纜廠家
| 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?yōu)槿S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(huán)境能力，并保持了優(yōu)良的電氣性能。 YJV22-8.7/15鎧裝高壓電力電纜廠家 交聯聚乙烯絕緣電力電纜導體的允許長期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(yōu)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(huán)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(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； 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(tǒng)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(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，能在1min內與系統(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，zui長不超過8h每年接地故障總持續(xù)時間不超過125h； C類系統(tǒng)──不屬于A類、B類的系統(tǒng)。 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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| 生產范圍Production range of cable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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