Packaging Details | FULL STEEL DRUMS |
Delivery Time | 30 DAYS |
Payment Terms | LC |
Supply Ability | 20KM/MONTH |
insulation | XLPE |
conductor | copper |
Place of Origin | CHINA |
Brand Name | XIN BAOFENG |
Certification | CE |
Model Number | YJV |
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Product Specification
Packaging Details | FULL STEEL DRUMS | Delivery Time | 30 DAYS |
Payment Terms | LC | Supply Ability | 20KM/MONTH |
insulation | XLPE | conductor | copper |
Place of Origin | CHINA | Brand Name | XIN BAOFENG |
Certification | CE | Model Number | YJV |
High Light | PVC Insulated Cable , underground electrical cable |
Three Core XLPE Insulated Middle Voltage Power Cable Copper Conductor
XLPE Insulated Electrical Cable For Rated Voltage 3.6/6KV~26/35KV
For XLPE insulated power cable, either chemical method or physical method is employed to transform the molecular structure of PE from chain into three-dimensional network, i.e. thermoplastic PE is transformed into thermosetting XLPE. After cross-linking, the thermal and mechanical properties of PE have been greatly improved while its excellent electrical property are still retained.
The maximum permissible operating temperature of the conductor of a XLPE insulated power cable is 90℃ which resistance is higher than that of PVC or PE insulated power cable. The cable has the advantage of simplicity in construction, lightness in weight, convenience in application besides its excellent electrical, thermal, mechanical and anti-chemical corrosion properties. It can also be laid with no limitation of level difference along the route.
The product is manufactured according to the standard of GB/T12706-2002 “Extruded solid dielectric power cables for rated voltages from l KV (Um=1.2KV) to 35KV (Um=40.5KV)”or IEC, BS, DIN and ICEA upon request.
The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6KV/6KV~26/35KV.
Rated power-frequency voltage U0/U: 3.6/6KV~26/35KV.
Max. Permissible continuous operating temperature or conductor:90℃.
Max. short-circuit temperature of conductor shall not exceed 250℃. (5s maximum duration)
The ambient temperature under installation should not below 0℃.
The bending radius of a single-core cable should not less than 20 times of the cable diameter.
The bending radius of a three-core cable should not less than 15 times of the cable diameter.
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 U0/U (Um) KV. Where:
U0—The rated power-frequency voltage between conductor and earth or metallic screen, for which the cable designed;
U—The rated power-frequency voltage between conductors, for which the cable designed;
Um—The maximum value of the “highest system voltage” for which the equipment may be used.
U KV |
Um KV |
U0*KV |
|
system categories A and B |
system 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 |
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 fault conditions, are operated for a short time with one phase earthed. This period should not exceed 1h. For a 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 category C—This category comprises all systems which do not fall into categories A and B.
Type |
Designation |
Application |
YJV |
Copper conductor, XLPE insulated and PVC sheathed power cable. |
For laying indoors, in tunnel or cable trench, unable to bear external mechanical forces, Single core cable in magnetic duct is not permissible. |
YJLV |
Aluminum conductor, XLPE insulated and PVC sheathed power cable. |
|
YJY |
Copper conductor, XLPE insulated and PE sheathed power cable. |
|
YJLY |
Aluminum conductor, XLPE insulated and PE sheathed power cable. |
|
YJV22 |
Copper conductor, XLPE insulated, steel tape armored and PVC sheathed power cable. |
For laying indoors, in tunnel, cable trench, or direct in ground, able to bear external mechanical forces, but unable to bear large pulling force. |
YJLV22 |
Aluminum conductor, XLPE insulated, steel tape armored and PVC sheathed power cable. |
|
YJV23 |
Copper conductor, XLPE insulated, steel tape armored and PE sheathed power cable. |
For laying indoors, in tunnel, cable trench, or direct in ground, able to bear external mechanical forces, but unable to bear large pulling force |
YJLV23 |
Aluminum conductor, XLPE insulated, steel tape armored and PE sheathed power cable. |
|
YJV32 |
Copper conductor, XLPE insulated, steel wire armored and PVC sheathed power cable. |
For laying indoors, in tunnel, cable trench, well or direct in ground, able to bear external mechanical forces and certain pulling force. |
YJLV32 |
Aluminum conductor, XLPE insulated, steel wire armored and PVC sheathed power cable. |
|
YJV33 |
Copper conductor, XLPE insulated, steel wire armored and PE sheathed power cable. |
|
YJLV33 |
Aluminum conductor, XLPE insulated, steel wire armored and PE sheathed power cable. |
Type |
Number of cores |
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 |
||
Nominal cross-section area of conductor 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 YJV23 YJLV23 |
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 YJV33 YJLV33 |
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 |
Note: The single-core armored cables are used for d. c. system only, as for a. c. system, non-magnetic armor material should be used or a magnetic isolation should be applied.
3.6/6kV~26/35kV, Single-core, XLPE insulated, power cable
1. Conductor
2. Conductor screen
3. Insulation
4. Insulation screen
5. Copper tape screen
6. Tape
7. Oversheath
3.6/6kV~26/35kV, Single-core, XLPE insulated, steel tape armored power cable
1. Conductor
2. Conductor screen
3. Insulation
4. Insulation screen
5. Copper tape screen
6. Tape
7. Inner sheath
8. Stainless steel tape armor
9. Oversheath
3.6/6kV~26/35kV, Single-core, XLPE insulated, steel wire armored power cable
1. Conductor
2. Conductor screen
3. Insulation
4. Insulation screen
5. Copper tape screen
6. Tape
7. Inner sheath
8. Steel wire armor
9. Copper wire
10. Oversheath
3.6/6kV~26/35kV, Three-core, XLPE insulated, power cable
1. Conductor
2. Conductor screen
3. Insulation
4. Insulation screen
5. Copper tape screen
6. Filler
7. Tape
8. Oversheath
3.6/6kV~26/35kV, Three-core, XLPE insulated, steel tape armored power cable
1. Conductor
2. Conductor screen
3. Insulation
4. Insulation screen
5. Copper tape screen
6. Filler
7. Tape
8. Inner sheath
9. Steel tape armor
10. Oversheath
3.6/6kV~26/35kV, Three-core, XLPE insulated, steel wire armored power cable
1. Conductor
2. Conductor screen
3. Insulation
4. Insulation screen
5. Copper tape screen
6. Filler
7. Tape
8. Inner sheath
9. Steel wire armor
10. Oversheath
3.6/6KV 1-core, XLPE Insulated PVC/PE Sheathed Power Cable |
||||||||||
Number and Nom. cross-sectional area mm2 |
Insulation thickness mm |
YJV YJLV YJY YJLY |
YJV22 YJLV22 YJV23 YJLV23 |
YJV32 YJLV32 YJV33 YJLV33 |
||||||
Approx overall diameter mm |
Cable weight, max kg/km |
Approx overall diameter mm |
Cable weight, max kg/km |
Approx overall diameter mm |
Cable weight, max kg/km |
|||||
YJV YJY |
YJLV YJLY |
YJV22 YJV23 |
YJLV22 YJLV23 |
YJV32 YJV33 |
YJLV32 YJLV33 |
|||||
|
|
|
|
|
|
|
|
|
|
|
1×25 |
2.5 |
17.9 |
560 |
390 |
21.7 |
700 |
550 |
24.7 |
1340 |
1190 |
1×35 |
2.5 |
18.9 |
680 |
480 |
22.6 |
820 |
610 |
25.8 |
1490 |
1290 |
1×50 |
2.5 |
20.3 |
860 |
550 |
24.0 |
990 |
690 |
27.2 |
1720 |
1420 |
1×70 |
2.5 |
21.9 |
1080 |
650 |
25.4 |
1220 |
790 |
28.8 |
2010 |
1590 |
1×95 |
2.5 |
23.7 |
1350 |
760 |
27.2 |
1490 |
920 |
30.6 |
2350 |
1770 |
1×120 |
2.5 |
25.2 |
1610 |
870 |
28.7 |
1770 |
1040 |
32.1 |
2680 |
1950 |
1×150 |
2.5 |
27.0 |
1920 |
990 |
31.7 |
2240 |
1330 |
34.9 |
3070 |
2160 |
1×185 |
2.5 |
28.6 |
2290 |
1140 |
33.3 |
2600 |
1480 |
36.5 |
3480 |
2360 |
1×240 |
2.6 |
31.2 |
2860 |
1370 |
35.9 |
3180 |
1730 |
39.1 |
4140 |
2680 |
1×300 |
2.8 |
34.0 |
3500 |
1640 |
38.7 |
3810 |
1990 |
41.9 |
4840 |
3020 |
1×400 |
3.0 |
37.6 |
4610 |
2140 |
42.5 |
4840 |
2420 |
45.6 |
6320 |
3890 |
1×500 |
3.2 |
41.3 |
5700 |
2610 |
46.3 |
5860 |
2830 |
49.3 |
7470 |
4440 |
1×630 |
3.2 |
44.9 |
6990 |
3090 |
50.0 |