APPLICATION
YJV32-Copper Conductor XLPE Insulated Steel Wire Armoured PVC Sheathed Power Cable
This 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 INFORMATION
Code Name
YJV32
Rated Voltage (Uo/U)
3.6/6KV
Cable Structure
Copper Conductor/XLPE Insulation/Steel Wire Armoured/PVC Sheath
CONSTRUCTION
Conductor
Number of conductors:1,3
The conductors shall comply with the requirement given in IEC
Insulation
XLPE(Cross-linked Polyethylene) according to IEC
Sheath
PVC(Polyaluminium Chloride) according to IEC
Metal screen
Copper Tape Screen
Armoured Layer
Steel Wire
CABLE STANDARDS
GB/T12706-2008,IEC,BS,ASTM and etc. upon request.
The electrical and dimensional properties of this product are measured by the Technical and Quality Assurance department at the JiangNan Cables laboratory. Cable performance in respect of conductor resistance, construction quality (workmanship), dimensional consistency, and other parameters are verified to published standards and approved product drawings. Conformance to RoHS (Restriction of the use of Hazardous Substances) is determined and confirmed.
CHARACTERISTICS
Conductor temperature
Maximum conductor temperature in normal use: 90ºC
Max.short-circuit temperature
Maximum shall not exceed 250ºC(5s Max,Duration)
Installation temperature
Ambient temperature under installation shall not be below 0ºC
Minimum bending radius
The bending radius of cable: (D-Diameter of cable)
For Three Core Cable-------------------------------------≥15D
For Single Core Cable-------------------------------------≥20D
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Power Cable | 3.6/6 KV Copper Conductor XLPE Insulated SWA PVC Sheathed Power Cable
Voltage designation
The 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 table
U | Um | Uo |
First class | Second class |
1 | 1.2 | 0.6 | 0.6 |
3 | 3.6 | 1.8 | 3.6 |
6 | 7.2 | 3.6 | 6 |
10 | 12 | 6 | 8.7 |
15 | 17.5 | 8.7 | 12 |
20 | 24 | 12 | 18 |
35 | 42 | 21 | 26 |
Note: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 cable
Type | No. of cores | Nominal Cross sectional area m2 |
Aluminum alloy conductor |
YJV32 | 1 | 25-630 |
3 | 25-630 |
*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. |
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Power Cable | 3.6/6 KV Copper Conductor XLPE Insulated SWA PVC Sheathed Power Cable
DIMENSIONS-YJV32-3.6/6KV
Nominal cross sectional area of conductor(mm²) | Nominal insulation thickness(mm) | 3.6/6KV YJV32 |
Approx overall diameter(mm) | Cable weight max(kg/kn) |
1×25 | 2.5 | 24.7 | 1340 |
1×35 | 2.5 | 25.8 | 1490 |
1×50 | 2.5 | 27.2 | 1720 |
1×70 | 2.5 | 28.8 | 2010 |
1×95 | 2.5 | 30.6 | 2350 |
1×120 | 2.5 | 32.1 | 2680 |
1×150 | 2.5 | 34.9 | 3070 |
1×185 | 2.5 | 36.5 | 3480 |
1×240 | 2.6 | 39.1 | 4140 |
1×300 | 2.8 | 41.9 | 4840 |
1×400 | 3.0 | 45.6 | 6320 |
1×500 | 3.2 | 49.3 | 7470 |
1x630 | 3.2 | 53.1 | 8940 |
3×25 | 2.5 | 42.7 | 3620 |
3×35 | 2.5 | 46.2 | 4140 |
3×50 | 2.5 | 49.3 | 4860 |
3×70 | 2.5 | 52.9 | 5770 |
3×95 | 2.5 | 57.0 | 6870 |
3×120 | 2.5 | 60.4 | 7870 |
3×150 | 2.5 | 64.2 | 9090 |
3×185 | 2.5 | 67.8 | 10460 |
3×240 | 2.6 | 75.1 | 13380 |
3×300 | 2.8 | 81.3 | 15680 |
3×400 | 3.0 | 89.5 | 19320 |
3x500 | 3.2 | 97.6 | 23060 |
3x630 | 3.2 | 105.7 | 27690 |
*Compacted conductor
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Power Cable | 3.6/6 KV Copper Conductor XLPE Insulated SWA PVC Sheathed Power Cable
Product Data Of Cable
Nominal cross-sectional area of conductor(mm²) | Max.D.C resistance of conductor at 20ºC(Ω/km) | Max.short circuit current of conductor at 90ºC |
Copper conductor | Copper conductor |
25 | 0.727 | 3.69 |
35 | 0.524 | 5.15 |
50 | 0.387 | 7.31 |
70 | 0.268 | 10.2 |
95 | 0.193 | 13.8 |
120 | 0.153 | 17.4 |
150 | 0.124 | 21.7 |
185 | 0.0991 | 26.7 |
240 | 0.0754 | 34.6 |
300 | 0.0601 | 43.1 |
400 | 0.0470 | 57.4 |
500 | 0.0366 | 71.7 |
630 | 0.0283 | 88.8 |
Voltage Test And Partial Discharge Test
No. | Test items | Rated Voltage KV |
3.6/6 |
1 | Power frency A.C.Voltage test (KV/5min) | 12.5 |
2 | Power frency A.C.Voltage test for 4 hours (KV) | 14.4 |
3 | Impluse voltage test(KV) | 60 |
4 | Partial discharge test maximum discharge at 1.73Uo pc | 5 |
The 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 KV |
3.6/6 |
Capacitance/phase μF/km |
25 | 0.2423 |
35 | 0.2684 |
50 | 0.3022 |
70 | 0.3462 |
95 | 0.3875 |
120 | 0.4236 |
150 | 0.4647 |
185 | 0.5059 |
240 | 0.5430 |
300 | 0.5589 |
400 | 0.5940 |
500 | 0.6167 |
630 | 0.6848 |
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Power Cable | 3.6/6 KV Copper Conductor XLPE Insulated SWA PVC Sheathed Power Cable
Inductance Of Cable
Nominal cross-sectional area of conductor(mm²) | Rated Voltage KV |
3.6/6 |
Capacitance/phase μF/km |
1x25 | 0.5954 |
1x35 | 0.5753 |
1x50 | 0.5543 |
1x70 | 0.5357 |
1x95 | 0.5172 |
1x120 | 0.5059 |
1x150 | 0.4949 |
1x185 | 0.4885 |
1x240 | 0.4790 |
1x300 | 0.4749 |
1x400 | 0.4660 |
1x500 | 0.4600 |
1x630 | 0.4547 |
3x25 | 0.3552 |
3x35 | 0.3384 |
3x50 | 0.3211 |
3x70 | 0.3040 |
3x95 | 0.2915 |
3x120 | 0.2826 |
3x150 | 0.2742 |
3x185 | 0.2672 |
3x240 | 0.2608 |
3x300 | 0.2576 |
3x400 | 0.2516 |
3x500 | 0.2480 |
3x630 | 0.2421 |
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Power Cable | 3.6/6 KV Copper Conductor XLPE Insulated SWA PVC Sheathed Power Cable
Short Circuit Current Of Mechanic-screen
Nominal cross-sectional area of conductor(mm²) | Rated Voltage KV |
3.6/6 |
Short circuit current |
1x25 | 1075 |
1x35 | 1074 |
1x50 | 1072 |
1x70 | 1070 |
1x95 | 1069 |
1x120 | 1068 |
1x150 | 1067 |
1x185 | 1064 |
1x240 | 1241 |
1x300 | 1239 |
1x400 | 1240 |
1x500 | 1243 |
1x630 | 1236 |
3x25 | 2958 |
3x35 | 2958 |
3x50 | 2958 |
3x70 | 2958 |
3x95 | 2958 |
3x120 | 2958 |
3x150 | 2958 |
3x185 | 2958 |
3x240 | 3031 |
3x300 | 3031 |
3x400 | 3031 |
3x500 | 3031 |
3x630 | 3031 |
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Power Cable | 3.6/6 KV Copper Conductor XLPE Insulated SWA PVC Sheathed Power Cable
Current Carrying Capacity Of Cable
Copper conductor XLPE insulated power cable for rated voltage 3.6/6KV
Copper Conductor | Nominal Cross sectional area of conductor mm2 | In the air | In the ground |
Air temperature:40ºC | Air temperature:25ºC |
Single Core | Three Core | Single Core | Three Core |
| | | |
25 | 140 | 165 | 120 | 150 | 160 | 125 |
35 | 170 | 205 | 140 | 180 | 190 | 155 |
50 | 205 | 245 | 165 | 215 | 255 | 180 |
70 | 260 | 305 | 210 | 265 | 275 | 220 |
95 | 315 | 370 | 255 | 315 | 330 | 265 |
120 | 360 | 430 | 290 | 360 | 375 | 300 |
150 | 410 | 490 | 330 | 405 | 425 | 340 |
185 | 470 | 560 | 375 | 455 | 480 | 380 |
240 | 555 | 665 | 435 | 530 | 555 | 435 |
300 | 640 | 765 | 495 | 595 | 630 | 485 |
400 | 745 | 890 | 565 | 680 | 725 | 520 |
500 | 855 | 1030 | - | 765 | 825 | - |
630 | 980 | 1190 | - | 860 | 940 | - |
Installation and Operation Condition of Cable
Max.Operation temperature of conductor-------------------------------------------------------------------------------------------------------------90ºCAmbient air temperature---------------------------------------------------------------------------------------------------------------------------------- 40ºC.
Soil temperature--------------------------------------------------------------------------------------------------------------------------------------------25ºC.
Soil thermal resitivity----------------------------------------------------------------------------------------------------------------------------------1.0ºCm/w
Buried depth--------------------------------------------------------------------------------------------------------------------------------------------0.8m
Single-Circuit only
Single-core cable is installed in parallel.Adjacent space is equivalent to the diameter of the cable.
Correction factors of current carrying for different soil temperature
Soil temperature(ºC) | 15 | 20 | 25 | 30 | 35 | 40 | 45 |
Rating factor | 1.09 | 1.04 | 1.0 | 0.96 | 0.92 | 0.87 | 0.83 |
Correction factors of current carrying for different thermal temperature
Rating factors for soil Thermal resistivityºC.m/w | 1.0 | 1.2 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 |
Three cores | 1.0 | 0.943 | 0.877 | 0.792 | 0.736 | 0.675 | 0.641 |
Single core | 1.0 | 0.934 | 0.850 | 0.748 | 0.692 | 0.635 | 0.598 |
Correction factors of current carrying for different air temperature
Air temperature(ºC) | 20 | 25 | 30 | 35 | 40 | 45 | 50 |
Correction factor | 1.18 | 1.14 | 1.10 | 1.05 | 1.0 | 0.95 | 0.89 |