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Medium Voltage 4*95mm Copper Conductor XLPE Insulated PVC Sheath YJV32 YJLV32 Swa Sta Armoured Power Cable jiangnan
Rated voltage 0.6/1kV cross-linked polyethylene insulated power cable
Usage characteristics
The maximum allowable long-term working temperature for cable conductors is 90℃;
The maximum temperature of the cable conductor during a short circuit (maximum duration not exceeding 5 seconds) shall not exceed 250℃;
The ambient temperature during cable laying should not be lower than 0℃;
The bending radius of the cable shall not be less than 15 times the outer diameter of the cable;
The model and name of the cable
| Model | Name | Applicable scope |
| YJV | Copper core cross-linked polyethylene insulated polyvinyl chloride sheathed power cable | Indoor, tunnel, cable trench and other places do not need to withstand mechanical external forces.Single core cables are not allowed to be laid in magnetic pipelines. |
| YJLV | Aluminum core cross-linked polyethylene insulated polyvinyl chloride sheathed power cable | Indoor, tunnel, cable trench and other places do not need to withstand mechanical external forces.Single core cables are not allowed to be laid in magnetic pipelines. |
| YJY | Copper core cross-linked polyethylene insulated polyethylene sheathed power cable | Indoor, tunnel, cable trench and other places do not need to withstand mechanical external forces.Single core cables are not allowed to be laid in magnetic pipelines. |
| YJLY | Aluminum core cross-linked polyethylene insulated polyethylene sheathed power cable | Indoor, tunnel, cable trench and other places do not need to withstand mechanical external forces.Single core cables are not allowed to be laid in magnetic pipelines. |
| YJV22 | Copper core cross-linked polyethylene insulated steel strip armored polyvinyl chloride sheathed power cable | Indoor, tunnel, cable trench or underground laying places that need to withstand certain radial mechanical external forces. |
| YJLV22 | Aluminum core cross-linked polyethylene insulated steel strip armored polyvinyl chloride sheathed power cable | Indoor, tunnel, cable trench or underground laying places that need to withstand certain radial mechanical external forces. |
| YJV23 | Copper core cross-linked polyethylene insulated steel strip armored polyethylene sheathed power cable | Indoor, tunnel, cable trench or underground laying places that need to withstand certain radial mechanical external forces. |
| YJLV23 | Aluminum core cross-linked polyethylene insulated steel strip armored polyethylene sheathed power cable | Indoor, tunnel, cable trench or underground laying places that need to withstand certain radial mechanical external forces. |
| YJV32 | Copper core cross-linked polyethylene insulated fine steel wire armored polyvinyl chloride sheathed power cable | Indoor, tunnel, cable trench, vertical shaft or buried laying, etc., can withstand a certain tensile force. |
| YJLV32 | Aluminum core cross-linked polyethylene insulated fine steel wire armored polyvinyl chloride sheathed power cable | Indoor, tunnel, cable trench, vertical shaft or buried laying, etc., can withstand a certain tensile force. |
| YJV33 | Copper core cross-linked polyethylene insulated fine steel wire armored polyethylene sheathed power cable | Indoor, tunnel, cable trench, vertical shaft or buried laying, etc., can withstand a certain tensile force. |
| YJLV33 | Aluminum core cross-linked polyethylene insulated fine steel wire armored polyethylene sheathed power cable | Indoor, tunnel, cable trench, vertical shaft or buried laying, etc., can withstand a certain tensile force. |
|
Model |
CORE |
Nominal cross-section mm2 |
|
|
Copper Conductor |
aluminum conductor |
||
|
YJV YJY YJV62 YJV63 |
YJLV YJLY YJLV62 YJLV63 |
1 |
1.5~800 10~800 |
|
YJV YJY YJV22 YJV23 YJV32 YJV33 |
YJLV YJLY YJLV22 YJLV23 YJLV32 YJLV33 |
2
|
1.5~400 2.5~400 10~400 |
|
YJV YJY YJV22 YJV23 YJV32 YJV33 |
YJLV YJLY YJLV22 YJLV23 YJLV32 YJLV33 |
3 |
1.5~630 2.5~630 10~630 |
|
YJV YJY YJV22 YJV23 YJV32 YJV33 |
YJLV YJLY YJLV22 YJLV23 YJLV32 YJLV33 |
4 |
1.5~500 2.5~500 10~500 |
|
YJV YJY YJV22 YJV23 YJV32 YJV33 |
YJLV YJLY YJLV22 YJLV23 YJLV32 YJLV33 |
3+1 |
1.5~630 4~630 10~630 |
|
YJV YJY YJV22 YJV23 YJV32 YJV33 |
YJLV YJLY YJLV22 YJLV23 YJLV32 YJLV33 |
5 |
1.5~500 2.5~500 10~500 |
|
YJV YJY YJV22 YJV23 YJV32 YJV33 |
YJLV YJLY YJLV22 YJLV23 YJLV32 YJLV33 |
4+1 |
1.5~500 4~500 10~500 |
|
YJV YJY YJV22 YJV23 YJV32 YJV33 |
YJLV YJLY YJLV22 YJLV23 YJLV32 YJLV33 |
3+2 |
1.5~500 4~500 10~500 |
Note: Single core armored cables are suitable for DC systems.If used in AC systems, non-magnetic materials should be used for armor or magnetic isolation measures.
Maximum DC resistance of conductor at 20℃
|
Nominal cross-section of conductor mm2 |
Maximum DC resistance of conductor at 20 ℃ (Ω/km) |
|
|
copper |
aluminium |
|
|
1 |
18.1 |
-- |
|
1.5 |
12.1 |
-- |
|
2.5 |
7.41 |
12.1 |
|
4 |
4.61 |
7.41 |
|
6 |
3.08 |
4.61 |
|
10 |
1.83 |
3.08 |
|
16 |
1.15 |
1.91 |
|
25 |
0.727 |
1.20 |
|
35 |
0.524 |
0.868 |
|
50 |
0.387 |
0.641 |
|
70 |
0.268 |
0.443 |
|
95 |
0.193 |
0.320 |
|
120 |
0.153 |
0.253 |
|
150 |
0.124 |
0.206 |
|
185 |
0.0991 |
0.164 |
|
240 |
0.0754 |
0.125 |
|
300 |
0.0601 |
0.100 |
|
400 |
0.0470 |
0.0778 |
|
500 |
0.0366 |
0.0605 |
|
630 |
0.0283 |
0.0469 |
|
800 |
0.0221 |
0.0367 |
|
Power frequency AC voltage test |
testing voltage 3.5kV/5min |
|
Operating conditions for cable laying
When laying in the air, when single core cables are laid in parallel, the center distance: 185mm2 or less is twice the cable diameter; 240mm2 and above are 90mm.
Surrounding air temperature: 30℃
Long term maximum operating temperature of conductor: 90℃
Direct buried laying
When a single core cable is laid without contact, the center distance of the cable is twice the diameter of the cable.
Soil temperature: 25℃.
The long-term maximum operating temperature of the conductor is 90℃.
Soil thermal resistance coefficient: 1.0℃.m/W.
Direct burial depth: 0.7m.
The company has passed certifications such as ISO9001 Quality Management System, ISO14001 Environmental Management System, ISO45001 Occupational Health and Safety Management System, and ISO10012 Measurement Management System;The product has obtained international certifications such as CE, RoHS, and TUV Rheinland in Germany.The company mainly produces three categories, over 100 varieties, and over 40000 specifications of power cables up to 500kV, electrical equipment cables, and bare wires up to 1100kV.At the same time, it can also customize special wires and cables with various special performance requirements for users.The special cables produced by the company, including flexible mineral insulated fire-resistant cables, photovoltaic cables, electric vehicle charging cables, locomotive cables, and ultra-high voltage supported heat-resistant expanded diameter wires, are highly favored by the market and users.
The company has strong research capabilities and has established national postdoctoral research workstations, Jiangsu Enterprise Academician Workstations, Jiangsu Enterprise Technology Center, Jiangsu Special Cable and Application Engineering Technology Research Center, and laboratories evaluated by the National Accreditation Service (CNAS). At the same time, close collaborative relationships have been established with major domestic research institutes. Series of conductors for ultra-high voltage transmission lines, with a maximum voltage level of DC ± 1100kV and AC 1000kV, and a maximum cross-sectional area of 1840mm2; We have innovatively applied permanent and unique identification marks on wires, which have the ability to identify cable conductors and their preparation methods and forming devices. This has successfully solved the problem of anti-counterfeiting requirements for wires in a certain foreign region. The company currently has 218 valid patents, including 19 invention patents, and has undertaken more than 30 provincial and municipal level scientific and technological projects; Participated in the formulation of over 80 national and industry standards.
The company always regards quality and service as the foundation of enterprise survival.From raw materials entering the factory to finished products leaving the factory, strict inspections are carried out, and advanced foreign online polarizers, high-voltage series resonance, partial discharge and other high-tech instruments are used to strictly control the quality of the manufacturing process, ensuring the reliability of product stability;The one-stop service of pre-sales, in sales, and after-sales provided by professional personnel is highly trusted and praised by users;The company actively explores overseas markets and has established stable sales networks in nearly 100 countries and regions across five continents, including Singapore, South Africa, the United Kingdom, Australia, Russia, and Southeast Asia.
