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  • 常規以及特種電線電纜定制,國標質量保證,價格合理
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    YJV23特種電力電纜

    [當前欄目:電力電纜]????? [發布日期:2014-07-23]

    簡要說明:YJV23特種電力電纜,規格:完善,產品系列編號:齊全
    詳細介紹:
            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 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值推薦如下表:
    The values of U0 recommened for cable to be used in three-phase systems are listed below:
          

                   

                                                                      U kv                               U m kv                               U 0 * kv                                                 A 和 B 類系統 System categories A and B                               C 類系統 Systems categories C                                                 6                               7.2                               3.6                               6                                                 10                               12                               6                               8.7                                                 15                               17.5                               8.7                               12                                                 20                               24                               12                               18                                                 30                               36                               18                                                                                35                               40.5                               21                               26                                                               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,最長不超過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
                                                                      型號 Type                               名稱 Designation                               適用范圍 Application                                                 YJV                               銅芯交聯聚乙烯絕緣氯乙烯護套電力電纜 Copper conductor,XLPE insulated and PVC sheathed power cable                               室內、隧道及電纜溝等場所,不能承受機械外力。單芯電纜不允許敷設在磁性管道中。 For laying indoors 、 intunnel or cable trench,unable to bear external mechan-icalforces.Single-core cable in magnetic duct is not permissible                                                 YJLY                               鋁芯交聯聚乙烯絕緣乙烯護套電力電纜 Aluminium conductor, XLPE insulated and PVC sheathed power cable                                                 YJY                               銅芯交聯聚乙烯絕緣氯乙烯護套電力電纜 Copper conductor ,XLPE insulated and PEsheathed power cable                                                 YJLY                               鋁芯交聯聚乙烯絕緣氯乙烯護套電力電纜 Alumimium conductor ,XLPE insulated and PEsheathed power cable                                                 YJV22                               銅芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated, steel tape armoured and PVC sheathed power cable                               室內、隧道、電纜溝內,或埋地敷設等,能承受一定機械外力,但不能承受大的拉力。 For laying indoors 、 in tunnel, cable trench, or direct in ground,able to bear external mechanicalforces, but unable to bear large pulling force 。                                                 YJLV22                               鋁芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable                                                 YJV23                               銅芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable                                                 YJLV23                               鋁芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable                                                 YJV32                               銅芯交聯聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Copper conductor,XLPE insulated,steel wire armoured and PVC sheathed power cable                               室內、隧道、電纜溝、豎井或埋地敷設等,能承受機械外力和一定的拉力。 For laying indoors 、 in tunnel, cable french, well or direct in ground,able to bear external mechanical forces, and certain force 。                                                 YJLV32                               鋁芯交聯聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated, steel wire armoured and PVC sheathed power cable                                                 YJV33                               銅芯交聯聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated ,steel wire armoured and PVC sheathed power cable                                                 YJLV33                               鋁芯交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel wire armoured and PVC sheathed power cable                                                               生產范圍Production range of cable                                                                   型號 Type                               芯數 Nomber of cores                               額定電壓 Rated Voltage kV                                                 3.6/6                               6/6 6/10                               8.7/10 8.7/15                               12/20                               18/20 18/30                               21/35                               26/35                                                 導體標稱截面 Nominal cross-section of conductlr mm2                                                 YJV
    YJLV
    YJY
    YJLY
                                  1                               25-800                               25-800                               25-800                               35-800                               50-630                               50-630                               50-630                                                 3                               25-630                               25-630                               25-500                               35-500                               50-400                               50-400                               50-400                                                 YJV22
    YJLV22
    YJY23
    YJLY23
                                  1                               25-800                               25-800                               25-800                               35-800                               50-630                               50-630                               50-630                                                 3                               25-630                               25-630                               25-500                               35-500                               50-400                               50-400                               50-400                                                 YJV32
    YJLV32
    YJY33
    YJLY33
                                  1                               25-800                               25-800                               25-800                               35-800                               50-630                               50-630                               50-630                                                 3                               25-630                               25-630                               25-400                               35-400                               50-240                               50-185                               50-150                                                      

     

    文章標簽:電力電纜   YJV23

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