Basic Info.
Application
Overhead, Industrial, Power Station
Voltage
High Voltage Cable
Wire Core Material
Aluminum Alloy Conductor
Product Description
APPLICATIONYJLHV-Aluminum Alloy Conductor XLPE Insulated PVC Sheathed Power CableThis product is suitable for using in power distribution networks or fixed installations for industrial equipments with rated voltage up to and including 26/35KV BASIC INFORMATION1. Code Name YJLHV2. Rated Voltage (Uo/U)21/35KV3. Cable StructureAluminum Alloy Conductor/XLPE Insulation/PVC Sheath CONSTRUCTION1. ConductorNumber of conductors:1,3The conductors shall comply with the requirement given in IEC2. InsulationXLPE(Cross-linked Polyethylene) according to IEC3. SheathPVC(Polyaluminium Chloride) according to IEC4. Metal screenCopper Tape Screen CABLE STANDARDSGB/T12706-2008,IEC,BS,ASTM and etc. upon request. CHARACTERISTICS1. Conductor temperatureMaximum conductor temperature in normal use: 90ºC2. Max.short-circuit temperatureMaximum shall not exceed 250ºC(5s Max,Duration)3. Installation temperatureAmbient temperature under installation shall not be below 0ºC4. Minimum bending radiusThe bending radius of cable: (D-Diameter of cable) For Three Core Cable-------------------------------------≥10DFor Single Core Cable-------------------------------------≥15D Voltage designationThe rated voltage of the cable for a given application shall be suitable for the operating conditions in the system in which the cable is used,and is expressed in the form of Uo/ U(Um)kV.Where:Uo-The rated power-frequency voltage between conductor and screen or metallic-sheath,for which the cable designed;U-The rated power-frequency voltage between conductors, for which the cable designed:Urn-The maximum value of the "hight system voltage " for which the equipment may he operated. Rated voltaged of cable applied in three phrase system are given in tableUUmUoFirst classSecond class11.20.60.633.61.83.667.23.66101268.71517.58.7122024121835422126Note:The first class cable suitable for one single-phrase earth-fault time does not exceed 1 min each time and Max. time not exceed 8 hours.and not exceed 125 hours in all in one year.The second class cable suitable fir more earth-fault time and more better insulation performance. Production Range of cableTypeNo. of coresNominal Cross sectional area m2Aluminum alloy conductorYJLHV 125-630325-630*The armoured single-core cables are used for D.C system only. As for A.C system non-magnetic armoured material should be used. Or magnetic isolation measures should be applied.DIMENSIONS-YJLHV-21/35KVNominal cross sectional area of conductor(mm²)Nominal insulation thickness(mm)21/35KV YJLHVApprox overall diameter(mm)Cable weight max(kg/kn)1×509.336.112901×709.337.714201×959.339.515801×1209.341.017201×1509.342.718901×1859.344.320701×2409.346.723501×3009.349.126401×4009.352.330801×5009.355.535401x6309.359.140803×509.375.146403×709.378.651603×959.382.557303×1209.385.762603×1509.389.468603×1859.392.875003×2409.398.185203×3009.3103.195203×4009.3110.1111203x5009.3116.9127603x6309.3124.714710*Compacted conductor Product Data Of CableNominal cross-sectional area of conductor(mm²)Max.D.C resistance of conductor at 20ºC(Ω/km)Max.short circuit current of conductor at 90ºCAluminum alloy conductorAluminum alloy conductor251.172.42350.8433.37500.6224.79700.4306.68950.3119.031200.24611.41500.20014.21850.15917.52400.12122.63000.097128.24000.075527.65000.068747.06300.045558.0Voltage test and partial discharge testNo.Test itemsRated Voltage KV21/351Power frency A.C.Voltage test (KV/5min)73.5(53)*2Power frency A.C.Voltage test for 4 hours (KV)843Impluse voltage test(KV)2004Partial discharge test maximum discharge at 1.73Uo pc5The power-frequency voltage test of cables for rated voltage 21/35KV shall be done upon request according to 2.5Uo×30min or 3.5Uo×50min.Capacitance of cable(reference value)Nominal cross-sectional area of conductor(mm²)Rated Voltage KV21/35Capacitance/phase μF/km250.1064350.1140500.1239700.1365950.14831200.15841500.17001850.18152400.19723000.21284000.23545000.25516300.2789Inductance of cableNominal cross-sectional area of conductor(mm²)Rated Voltage KV21/35Capacitance/phase μF/km1x500.66751x70063941x950.61801x1200.60511x1500.58951x1850.57601x2400.56151x3000.54841x4000.53431x5000.52241x6300.51013x500.45373x700.42863x950.40823x1200.39093x1500.37523x1850.36113x2400.34863x3000.37763x4000.3140 Short circuit current of mechanic-screenNominal cross-sectional area of conductor(mm²)Rated Voltage KV21/35Short circuit current1x5012861x7012851x9512841x12012801x15012791x18512791x24012761x30012751x40012721x50012721x63012703x5030313x7030313x9530313x12030313x15030313x18530313x24030313x3003031 Current carrying capacity of cableAluminum alloy conductor XLPE insulated power cable for rated voltage 3.6/6~12/20KVAluminium Alloy ConductorNominal Cross sectional area of conductor mm2In the airIn the groundAir temperature:40ºCAir temperature:25ºCSingle CoreThree CoreSingle CoreThree Core 251101309011512010035135155110135145120501601901301601751407020235165200215170952429020024025521012028033522527029023515032380255305330260185365435295345370300240435515345400435345300500595390455490390400585695450520565440500680810-595650-630790950-680745-Installation and Operation Condition of CableMax.Operation temperature of conductor---------------------------90ºCAmbient air temperature------------------------------------------------ 40ºC.Soil temperature-----------------------------------------------------------25ºC.Soil thermal resitivity-----------------------------------------------------1.0ºCm/wBuried depth---------------------------------------------------------------0.8mSingle-Circuit onlySingle-core cable is installed in parallel.Adjacent space is equivalent to the diameter of the cable.Correction factors of current carrying for different soil temperatureSoil temperature(ºC)15202530354045Rating factor1.091.041.00.960.920.870.83Correction factors of current carrying for different thermal temperatureRating factors for soil Thermal resistivityºC.m/w1.01.21.52.02.53.03.5Three cores1.00.9430.8770.7920.7360.6750.641Single core1.00.9340.8500.7480.6920.6350.598Correction factors of current carrying for different air temperatureAir temperature(ºC)20253035404550Correction factor1.181.141.101.051.00.950.89
Address:
Room1116, Floor 11, Hongxing Jiuzhou International Plaza, Xincheng Road, Yixing, Wuxi, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Chemicals, Electrical & Electronics, Service
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001
Company Introduction:
Established in 2014 and bringing together the factory more than 30 years of experience in cable, Lonheo is backed by the excellent reputation of our cooperated factory, All what we do is to make them as leading cable contractors in the world.
Lonheo is able to strive in today′s competitive business environment by creating synergy and consolidating the resources of all partners. This ensures that Lonheo remains operationally and financially strong.
With this strategic partnership in place, Lonheo is able to help our customers achieve their goals and provide greater value-added services to them.
Our company are focus on cable & wire supplyment and waste water treatment chemicals.
Our Features Product:
===Power Cables===
Ultra High Voltage, Power Cable, High Voltage Power Cable, Medium Voltage Power Cable, Low Voltage Power Cable, LSZH (low smoke zero halogen) Cable, XLPE Cable, AAAC (Aluminium Alloy Conductor) Power Cable, Armoured Cable, SWA (Steel Wire Armoured) Cable.
Power cables are mainly used for power transmission and distribution systems in the power industry and general industries.
===Wires and cables for electrical equipment===
Rubber Insulated Cable, Mining, Drilling & Tunnelling Cable, Ship Cable, Nylon Sheathed Wire, Plastic Insulated Control Cable.
Electrical Equipment Cables are mainly used to supply and distribute electricity.
===Aerial Cable===
Aerial Bundled Cable, Copper Stranded Wire, Aluminium Conductor Steel Reinforced (ACSR) Wires, Aluminium Alloy Conductors (AAAC), Aluminium Stranded Conductor (AAC).
These cables are mainly used as overhead power lines for power transmission and power distribution.
===Special Cables and Wires===
Fire Resistant Cable, High Temperature Resistant Cable, Rodent Resistant Cable / Termite Resistant Cable, Waterproof Cable, Eco-friendly Direct Current cable, Medium Voltage Power Cable for Subway and Light-weight, Wind Energy Cable, 1E Class Nuclear Cable, Energy Efficient ACSR, UHV Supporting and Expanding Overhead Wires, Flexible Fire-proof Cable for 0.6/1KV.