【正文】 氣體，具有產(chǎn)生煙霧較少等特點(diǎn)，是一種環(huán)保型的新產(chǎn)品，同時(shí)具有優(yōu)越的電氣性能、耐熱性能、耐化學(xué)性能、耐環(huán)境應(yīng)力開裂性能、抗老化性能，具有長期的使用壽命。XLPE polyethylene insulated power cables, This product is applicable to being fixedly laid on the transmission and distribution line of alternative current rating 50Hz and rated voltage up to 6/35 kV with the use for power transmission, which is applied to the range of distribution network, industrial equipments, high electricity consumption places etc.XLPE polyethylene insulated flameretardant power cables, The product has good performance on preventing fire burning on the circuit, which can avoid fire accidents and losses. The products can be used in subway, tunnels and highrise buildings etc.XLPE polyethylene insulated lowsmoke zerohalogen flameretardant power cables, The environmental product has good performance on flameretardant, corrosion resistance and lowsmoke, which is suitable to be laid in crowded places, such as subway, shopping mall or schools etc.This product is the normal used cable, not suitable for some special places, such asunder water, ship, nuclear station, etc.二、產(chǎn)品主要技術(shù)特點(diǎn) Technique features 交聯(lián)聚乙烯絕緣電纜采用過氧化物交聯(lián)的方法，使聚乙烯分子由線型分子結(jié)構(gòu)變?yōu)槿S網(wǎng)狀結(jié)構(gòu)，由熱塑性材料變成熱固性材料，工作溫度從70℃提高到90℃，顯著提高電纜的載流能力。交聯(lián)聚乙烯絕緣無鹵低煙阻燃電纜具有優(yōu)良的阻燃性、耐腐蝕性及低煙濃度，是一種環(huán)保型產(chǎn)品，適用于地鐵、商場、學(xué)校等人員密集型場所。額定電壓6kV～35kV交聯(lián)聚乙烯絕緣電力電纜Crosslinking polyethylene insulated power cables with rated voltages from 6kV up to 35kV 一、產(chǎn)品用途 Products application交聯(lián)聚乙烯絕緣電纜適用于配電網(wǎng)、工業(yè)裝置或其他需要大容量用電領(lǐng)域，用于固定敷設(shè)在交流50Hz、額定電壓6kV～35kV的電力輸配電線路上，主要功能是輸送電能。交聯(lián)聚乙烯絕緣阻燃電纜具有阻止火勢在電纜電路蔓延的功能，可避免火災(zāi)事故擴(kuò)大以減少損失，適用于地鐵、遂道、高層建筑等電纜敷設(shè)密集程度較高的場所。上述產(chǎn)品為通常條件下使用的產(chǎn)品，不適用一些特殊條件的場合，如水下、船用、核電站等。交聯(lián)聚乙烯絕緣電纜具有優(yōu)越的電氣性能、耐熱性能、耐化學(xué)性能、耐環(huán)境應(yīng)力開裂性能、抗老化性能，具有長期的使用壽命。本產(chǎn)品結(jié)構(gòu)簡單，制造周期短，易于安裝和維護(hù)，敷設(shè)時(shí)不受落差限制。 the product is a new environmental protected cable with good flameretardant performance, which just releases few poisonous and corrosive gases. The product has good performance on electrical characteristic, heat resistance, chemical resistance, environmental stress cracking resistance and aging resistance, all which makes the cable has a long useful life.The product characteristic is simple structure, short production period, easy installation and maintained, especially there is no limit of head drop during the cable laying.三、產(chǎn)品執(zhí)行標(biāo)準(zhǔn) StandardsIEC 605022:1997 額定電壓1 kV(Um= kV)到30 kV(Um=36 kV)擠包絕緣電力電纜及附件第2部分：額定電壓 6 kV(Um= kV)到30 kV(Um=36 kV)電纜Power cables with extruded insulation and their for rated voltages from 1kV(Um=) up to 30 kV(Um=36 kV) Partvoltages2:Cables for rated of 6kV(Um=)up to 30 kV（Um=36 kV）GB/T 額定電壓1 kV(Um= kV)到35 kV(Um= kV)擠包絕緣電力電纜及附件第3部分：額定電壓 35 kV(Um= kV)電纜Power cables with extruded insulation and their for rated voltages from 1kV(Um=) up to 35kV(Um=) Partvoltages其中：U0：電纜設(shè)計(jì)用的導(dǎo)體對(duì)地或金屬屏蔽之間的額定工頻電壓；U：電纜設(shè)計(jì)用的導(dǎo)體間的額定工頻電壓；Um：設(shè)備可承受的“最高系統(tǒng)電壓”的最大值。為了便于選擇電纜，將系統(tǒng)劃分為下列三類：——A類：任一相導(dǎo)體與地或接地導(dǎo)體接觸時(shí)，能在1min內(nèi)與系統(tǒng)隔離。——C類：包括不屬于A類和B類的系統(tǒng)。如系統(tǒng)預(yù)期會(huì)經(jīng)常地運(yùn)行在持久的接地故障狀態(tài)下，該系統(tǒng)應(yīng)劃為C類。U：Rated . Voltage between conductorsUm：The maximum system voltage which the equipments can be beared。When the system earth fault can39。The remended figure of U0 see the table 1, which are suitable for the three systems.:表1 額定電壓U0推薦值Table1 the remended figure of U0 系統(tǒng)最高電壓Um/ kV Maximum system voltage/ kV額定電壓/ kVRated Voltage/ kVA類、B類System categories A and BC類C 類系統(tǒng) Systems categories C－2126 導(dǎo)體額定工作溫度電纜導(dǎo)體的最高額定工作溫度為90℃。The rated temperature of conductorThe maximum assigned temperature of the cable conductor is 90℃.During having a short circuit, lasting less than 5 seconds, the maximum temperature of the cable conductor shall not be above 250℃. 敷設(shè)環(huán)境溫度 電纜敷設(shè)時(shí)的環(huán)境溫度應(yīng)不低于0℃，否則需要事先預(yù)熱。The minimum bend radius of the cable see the table 2表2 電纜安裝時(shí)最小彎曲半徑 Table2 The minimum bend radius of the cable項(xiàng)目Item單芯電纜Single core 三芯電纜Three core 無鎧裝Unarmored有鎧裝Armored無鎧裝Unarmored有鎧裝Armored安裝時(shí)的電纜最小彎曲半徑Minimum bend radius of the cable in course of installation.20D15D15D12D靠近連接盒和終端的電纜的最小彎曲半徑The minimum bend radius of the cable close to the junction box and terminal15D12D12D10D注：D為電纜外徑（mm）。電纜允許敷設(shè)在室內(nèi)、室外、空氣中和土壤中，允許局部有積水。單芯電纜不允許敷設(shè)在磁性金屬管內(nèi)。There is no limit of head drop during the cable laying.The cable may be laid in indoor, outdoor, air and soil. The cable may be immersed in water locally. The cable may be laid in tunnel, pipe, trench, conduit and on cable bridge. The armored cable can be laid underground, and the wire armored cable can be laid vertically.The single core cable mustn39?！X導(dǎo)體(Al)：F=40S（N/mm2）。R（N/m），最大允許側(cè)壓力不超過3000N/m。R（N/m），The maximum allowed lateral pressure≤3000N/m式中：F－牽引力，N； F－Lateral pressure，N；S－導(dǎo)體截面，mm2； S－Conductor section，mm2；P－側(cè)壓力，N/m； P－lateral pressure，N/m；R－電纜彎曲半徑，m。 電纜運(yùn)輸和保管要求 ： 電纜盤不允許平放。電纜如果需要分段使用，電纜分段后必須用防水封帽將電纜頭密封，防止進(jìn)水。2） 非磁性金屬帶包括不銹鋼帶、鋁帶等，若訂貨時(shí)未注明，采用何種材料由制造方確定。Note: 1) Including the extruding inner covering and separating tape. 2) Nonmagnetic metal tapes are including stainless steel tape, aluminium tape, etc. The materials will determined by the manufacturer, if the buyer not mentioned. 3) Nonmagnetic metal wires are including stainless steel tape, aluminium tape, etc. The materials will determined by the manufacturer, if the buyer not mentioned.產(chǎn)品表示方法Expressed method of product產(chǎn)品用型號(hào)（型號(hào)中有數(shù)字代號(hào)的電纜外護(hù)層，數(shù)字前的文字代號(hào)表示內(nèi)護(hù)套）、規(guī)格（額定電壓、芯數(shù)、標(biāo)稱截面）和標(biāo)準(zhǔn)編號(hào)表示。Note：The insulation in the cable specifications are the series code.產(chǎn)品表示方法 Expressed method of product 示例：（1）銅芯交聯(lián)聚乙烯絕緣（聚乙烯內(nèi)護(hù)套）鋼帶鎧裝聚氯乙烯護(hù)套電力電纜，三芯，標(biāo)稱截面240mm2，表示為：*240 GB/T （2）銅芯交聯(lián)聚乙烯絕緣（聚乙烯內(nèi)護(hù)套）鋼帶鎧裝聚氯乙烯護(hù)套阻燃C類電力電纜，三芯，標(biāo)稱截面150mm2，表示為：*150 GB/T196662005/ GB/T （3）銅芯交聯(lián)聚乙烯絕緣（聚乙烯內(nèi)護(hù)套）鋼帶鎧裝聚烯烴護(hù)套無鹵低煙阻燃C類電力電纜，三芯，標(biāo)稱截面185mm2，表示為：*185 GB/T196662005/ GB/T （4）鋁芯交聯(lián)聚乙烯絕緣（聚乙烯內(nèi)護(hù)套）鋼帶鎧裝聚烯烴護(hù)套無鹵低煙阻燃A類電力電纜，額定電壓26/35kV，三芯，標(biāo)稱截面185mm2表示為： WDZAYJLY2326/35 3*185 GB/T196662005/ GB/T Example:（1）Copper conductor ,XLPE insulated, (PE inner sheath) steel tape a