【正文】 tardant class C power cable ZCYJV43 ZCYJY43ZCYJLV43 ZCYJLY43交聯(lián)聚乙烯絕緣粗圓鋼絲鎧裝聚乙烯護(hù)套阻燃C類電力電纜XLPE insulated thick steelwire armoured PE sheath flameretardant class C power cable ZCYJV72 ZCYJY72ZCYJLV72 ZCYJLY72交聯(lián)聚乙烯絕緣非磁性金屬絲鎧裝聚氯乙烯護(hù)套阻燃C類電力電纜XLPE insulated nonmagnetic metal WIRE amoured PVC sheath class C flameretardant power cableZCYJV73 ZCYJY73ZCYJLV73 ZCYJLY73交聯(lián)聚乙烯絕緣非磁性金屬絲鎧裝聚乙烯護(hù)套阻燃C類電力電纜XLPE insulated nonmagnetic metal wire armoured PE sheath class C flameretardant power cable注: 阻燃等級(jí)分為四類，包含阻燃A類、B類、C類、D類, 上表所示為“C”類Note: the flame resistance performances are divided into four grades: class A, class B class C and class D，The class of the above table is C class.表5額定電壓635kV交聯(lián)聚乙烯絕緣阻燃電力電纜產(chǎn)品型號(hào)Table 5 XLPE insulated flameretardant power cables with rated voltages from 6kV up to 35kV Type of product型號(hào) Type產(chǎn) 品 名 稱Name of product適用范圍及環(huán)境Applicability and surroundings銅 芯Copper core鋁 芯Aluminium coreWDZCYJYWDZCYJLY交聯(lián)聚乙烯絕緣聚烯烴護(hù)套無(wú)鹵低煙阻燃C類電力電纜XLPE insulated polyolefin sheath lowsmoke zerohalogen flameretardant class C power cable室內(nèi)、隧道及電纜溝等場(chǎng)所，不能承受機(jī)械外力。WDZCYJV43 WDZCYJY43WDZCYJLV43 WDZCYJLY43交聯(lián)聚乙烯絕緣粗圓鋼絲鎧裝聚烯烴護(hù)套無(wú)鹵低煙阻燃C類電力電纜XLPE insulated thick steelwire armoured polyolefin sheath lowsmoke zerohalogen flameretardant class C power cable WDZCYJV73 WDZCYJY73WDZCYJLV73 WDZCYJLY73交聯(lián)聚乙烯絕緣非磁性金屬絲鎧裝聚烯烴護(hù)套無(wú)鹵低煙阻燃C類電力電纜XLPE insulated nonmagnetic metal wire amoured polyolefin sheath lowsmoke zerohalogen class C flameretardant power cables注: 無(wú)鹵低煙阻燃等級(jí)分為四類，包含阻燃A類、B類、C類、D類, 上表所示為“C”類Note: the flame resistance performances are divided into four grades: class A, class B class C and class D，The class of the above table is C class.產(chǎn)品規(guī)格Specification of product產(chǎn)品額定電壓、導(dǎo)體標(biāo)稱截面和芯數(shù)見(jiàn)表6。The insulation shall be the XLPE extruded on the conductor screen.絕緣屏蔽Insulation screen采用擠包型可剝離交聯(lián)半導(dǎo)電屏蔽料。The metal screen shall be soft copper tape whose tapping mode will be single layer overlapping and copper wire whose tapering mode will be multiple concentric stranding. The two kinds of metal screen will be coated on every insulated cores .The cable with nominal sectional area 500mm2 and above and voltage 35kV shall used copper wire as their screen structures ,whose surface will be tightened by tapered copper tape or copper wire.隔離套（有鎧裝電纜）Inner sheath（Armoured cables）采用聚氯乙烯（PVC）或聚乙烯（PE）擠包在纜芯上。The amour of the multiple cable shall be zincplated steel tape or wire, but the amour of the single cable used in AC circuit shall be nonmagnetic metaltape or metalwire. The tapering mode of metal tape should adopt double layer open tapering, and the mode of metal wire shall multiple concentric stranding.Note: A large number of facts show that the single cable with the special structure amour in the AC circuit exists the heating phenomenon, thus causing the reduction of current capacity. The manufacturer don39。The outer sheath of the cable shall have the following information printed at regular intervals throughout the length of the cable: Manufacturer39。3℃, the duration time is 15m,the mechanical stress is 20N/cm2 )－負(fù)載下最大伸長(zhǎng)率/％－The maximum extensibility on load/％－冷卻后最大永久伸長(zhǎng)率/％ －the maximum Permanent extensibility after being cooled/ %1000～10絕緣電阻常數(shù)（Ki）/MΩ?kmInsulation resistance constant （Ki）/MΩ?km－20℃時(shí)－90℃時(shí)367表8 導(dǎo)體電阻Table 8 Resistance of conductor 導(dǎo)體標(biāo)稱截面/mm2Nominal cross area of conductor/mm220℃導(dǎo)體直流電阻≤/Ω/kmResistance of conductor in 20℃ ≤導(dǎo)體交流電阻/Ω/kmConductor AC resistance/Ω/km銅導(dǎo)體Copper core鋁導(dǎo)體Aluminium core.銅導(dǎo)體Copper core鋁導(dǎo)體Aluminium core.101625355070951201501852403004005006308001000——1200——表9 電纜電容Table9 Capacitance of cable導(dǎo)體標(biāo)稱截面/Nominal cross area of conductor/mm2每相電容/μF/kmCapacitance of each phase/μF/km6/66/1012/2018/3026/3510—————16—————25———35——507095120150185240300400500630表10 單芯電纜電感 (S=2D)* Table10 Inductance for singe core cable(S=2D)* 導(dǎo)體標(biāo)稱截面/mm2Nominal cross area of conductor/mm2電感/μH/km Inductance/μH/km6/66/1012/2018/3021/3526/3510—————16—————25———35——507095120150185240300400500630注：*：S — 相鄰兩根電纜之間的中心距離，D — 電纜外徑 S —The distance between the two adjacent cable center, D —The overall diameter of the cables.表11 三芯電纜電感Table11 Inductance for three core cable導(dǎo)體標(biāo)稱截面/mm2Nominal cross area of conductor/mm2電感/μH/kmInductance/μH/km6/66/1012/2018/3021/3526/3510—————16—————25———35——507095120150185240300400500——630————表12 Table12 敷設(shè)條件：導(dǎo)體最高溫度：90℃，環(huán)境溫度：25℃，℃?m/W，單根敷設(shè)。導(dǎo)體標(biāo)稱截面/mm2Nominal cross area of conductor/mm2非鎧裝電纜Unarmoured鎧裝電纜Armoured單芯 singe—core三芯three—core三芯three—core銅芯Copper core鋁芯Aluminium core.銅芯Copper core鋁芯Aluminium core.銅芯Copper core鋁芯Aluminium core.空氣中In air土壤中Buried空氣中In air土壤中Buried空氣中In air土壤中Buried空氣中In air土壤中Buried空氣中In air土壤中Buried空氣中In air土壤中Buried25165160130120140148105116140148105116352051901551451651801301381651751301385024522519017520021015516420520816016