HIGH VOLTAGE CABLE

As HV cable, it can be divided into aluminum high-voltage cables and copper high-voltage cables according to different materials. With the complex environmental conditions and special requirements in areas, the use of copper core cables is more reliable in terms of quality and safety. According to our construction, the selection of cable models should refer to the surrounding environment, the corresponding means of laying, and the performance of electrical equipment. 

Types of VERI High Voltage Cable

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YJV22 3 Core HV Armored Steel Tape Copper Cable

Insulated PVC sheathed power cables are used for power transmission and distribution systems with rated voltages of 0.6/1kv, 1.8/3kv, 3.6/6kv, 6/10kv, 8.7/10kv, 8.7/15kv, 12/20kv, 21/35kv, 26/35kv.

1. XLPE insulated, PVC sheathed power cables (YJV, YJLV) are suitable for indoors, tunnels, pipes, and buried in soil (not subject to mechanical force)
2. XLPE insulated, steel tape armored PVC sheathed power cables (YJV22, YJLV22) are suitable for indoor, tunnel, pipe penetration, and buried in soil
3. XLPE insulated, steel wire armored PVC sheathed power cables (YJV32, 42, YJLV32, 42) are suitable for shafts, water, places with drop, and can withstand external forces.

The minimum bend radius of the cable

Item
Three -core
Unarmored
Armored
Minimum bend radius of the cable in course of installation.
15D
12D
The minimum bend radius of the cable close to the junction box and terminal
12D
10D
Note: D is outer diameter of the cable

Size Information

Cross section area(mm²)
Insulated thickness(mm)
Metal shield thickness(mm)
Jacket thickness(mm)
OD(mm)
Weight(kg/km)
3×25
4.5
30×0.10
2.4
44.8
2251.6
3×35
4.5
40×0.10
2.5
47.2
2655.9
3×50
4.5
40×0.10
2.6
50.4
3217.3
3×70
4.5
40×0.10
2.7
54.0
3957.2
3×95
4.5
40×0.10
2.8
57.7
4884.7
3×120
4.5
40×0.10
2.9
60.9
5754.2
3×150
4.5
40×0.10
3.0
64.5
6788.0
3×185
4.5
40×0.10
3.1
68.2
7961.6
3×240
4.5
40×0.10
3.3
73.5
9801.3
3×300
4.5
40×0.10
3.4
78.3
11725.3
3×400
4.5
40×0.10
3.7
85.8
14799.2

Product structure features:

1. Has good high-temperature resistance: XLPE insulation uses chemical or physical methods to change the structure of polyethylene molecules into a three-dimensional network structure. The three-dimensional network structure has good heat resistance and can be used in Long-term work at a high temperature of 90 degrees Celsius, the lifespan can be as long as 40 years.

2. It has good insulation performance: polyethylene not only retains the insulation performance of cross-linked polyethylene but also has a further improvement in insulation resistance.

3. High mechanical properties: hardness, stiffness, wear resistance, and impact resistance have been improved

4. Chemical resistance: XLPE itself has strong acid and alkali resistance and oil resistance

5. Environmental protection: Since the products of cross-linked polyethylene combustion are water and carbon dioxide, the environmental pollution is low, and it meets the fire safety requirements.

6. The maximum rated temperature of the cable conductor is 90°C, and the maximum temperature during the short circuit (the longest duration does not exceed 5S) does not exceed 250°C.

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HV Aluminium Conductor Steel Reinforced Cable

Aluminum conductor, steel reinforced overhead cable, is mainly used in power transmission lines with high voltage.

Its advantages include high mechanical strength, good electrical conductivity, corrosion resistance, light unit volume, easy erection, high-temperature resistance, simple structure, convenient installation, good maintenance, and large transmission capacity. The High-voltage steel cable of ACSR consists of a solid or stranded steel core surrounded by strands of aluminum.

  • Conductor: Aluminum
  • Street lighting conductor: Round-stood or compacted Aluminum conductor
  • Insulation: LDPE/HDPE/XLPE/PVC

STANDARDS&REFERENCES:GB/T12527/IEC60502/NFC 33-209/BS 7870/ANSI/ICEA S-76-474 AS/NZS 35601

HV ACSR Conductor According to GOST 839-80

SectionAluminum partSteel partMin. Breaking Strength
Number of wiresNom. wire diameterNumber of wiresNom. wire diameter
116/2.761.85 mm.11.85 mm.6,220 N.
225/4.262.30 mm.12.30 mm.9,296 N.
335/6.262.80 mm.12.80 mm.13,524 N.
450/8.063.20 mm.13.20 mm.17,112 N.
570/1163.80 mm.13.80 mm.24,130 N.
670/72182,20 mm.192.20 mm.96,862 N.
795/1664.50 mm.14.50 mm.33,369 N.
8120/19262.40 mm.71.85 mm.41,521 N.
9120/27302.20 mm.72.20 mm.49,465 N.
10150/19242.80 mm.71.85 mm.46,307 N.
11150/24262.70 mm.72.10 mm.52,279 N.
12150/34302.50 mm.72.50 mm.62,643 N.
13185/24243.15 mm.72.10 mm.58,075 N.
14185/29262.98 mm.72.30 mm.62,055 N.
15185/43302.80 mm.72.80 mm.77,767 N.
16205/27.0243.30 mm.72.20 mm.63,740 N.
17240/32243.60 mm.72.40 mm.75,050 N.
18240/39263.40 mm.72.65 mm.80,895 N.
19240/56303.20 mm.73.20 mm.98,253 N.
20300/39244.00 mm.72.65 mm.90,574 N.
21300/48263.80 mm.72.95 mm.100,623 N.
22300/204542.65 mm.372.65 mm.284,579 N.
23330/43.0542.80 mm.72.80 mm.103,784 N.
24400/18423.40 mm.71.85 mm.85,600 N.
25400/51543.05 mm.73.05 mm.120,481 N.
26400/64264.34 mm.73.40 mm.129,183 N.
27400/93304.15 mm.192.50 mm.173,715 N.
28500/27762.84 mm.72.20 mm.112,188 N.
29500/64543.40 mm.73.40 mm.148,257 N.
30600/72543.70 mm.192.20 mm.183,835 N.

APPLICATION

The type of these cables uses in electricity distribution lines laying across rivers and valleys where special geographical creatures exist. The conductor of ACSR represents the most important component of an overhead power line because they have to ensure economical and reliable transmission and contribute considerably to the total line costs.

Laying of VERI High Voltage Cables

Inspection before cable laying: whether the model and specifications meet the requirements, the insulation should be good, the appearance should be complete, and there should be no traces of trauma.

A spare length should be reserved near the cable terminal, and a spare length should be reserved for the directly buried cable in the wave-shaped laying.

The distance between each fulcrum of the cable shall be as specified in the design.

When there are no design regulations, it should not be greater than rubber cable and plastic cables are horizontal 1M, vertical 2M, and cables suspended on steel cables are horizontal 0.75M.

The bending radius of the cable should not be less than 10 times the outer diameter of the cable (armored or unarmored multicore plastic insulated power cable).

When laying the cables, the cables should be drawn out from the upper end of the reel, and avoid friction and drag of the cables on the bracket and the ground.

The cables should not be crossed when laying, they should be neatly arranged, fixed, and signs should be installed.

There should be firm stakes at the corners of the directly buried cables. When cables enter cable trenches, tunnels, buildings, and pipes, the entrances and exits should be closed.

Clamps and fixtures for AC single-core cables should not have a closed magnetic circuit composed of iron.

Transportation with Professional Service

Veri Cable has multiple ways to protect your cables, with sturdy and professional shipping packaging and comprehensive insurance. Before shipping, our cables are packaged in wooden reels and corrugated box coils. During transportation, to protect the cable ends from moisture, we seal them with BOPP self-adhesive tape and non-hygroscopic.

If there are quality problems such as damaged packaging and product surface damage on the spot when the goods are received, if the goods are confirmed to be true, the goods do not match the order, and the quality problems found by the customer during the installation, laying and use process are confirmed to be the quality problems of the product itself, If the delivery is not in accordance with the contract requirements, please contact our company directly.

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