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Medium voltage power cable
Medium voltage power cables are an essential part of ensuring safe and reliable electricity transmission in many industrial, commercial, and residential settings. They are the vital link between electrical equipment and the main power grid, helping to provide a stable source of power for large-scale operations. Medium voltage cable is capable of withstanding high levels of current and delivering it safely through a variety of mediums.
What is Medium Voltage Power Cable
Medium Voltage Power Cable is an essential part of any electrical system. It is used for connecting the source of electricity to the load, distributing power, and protecting other components from overloads and short circuits. Medium voltage power cables are designed to operate in a range between 1kV and 33kV, depending on their application. They are typically made from a variety of materials, including aluminum, copper or steel, and they come in different sizes depending on the load requirements.
The construction of medium voltage power cables differs based on the type of material used in their production. Generally speaking, they consist of one or more insulated conductors covered with a protective sheath that provides additional insulation and protection against mechanical damage. Copper or aluminum conductors are usually insulated with PVC or XLPE (cross-linked polyethylene), while steel conductors may be insulated with EPR (ethylene-propylene rubber). The insulation material also serves as a fire retardant. This sheathing protects the cable from moisture, chemicals and other environmental factors that could potentially harm its components.
When selecting medium voltage power cable for your project, it is important to consider both its quality and price list. HuaDong offers a wide range of high-quality products at competitive prices that meet all industry standards for safety and performance. Our products also come with a 10 year warranty so you can rest assured that your investment is protected. We also provide expert advice and technical support so you can make an informed decision when choosing the right cable for your needs.
Medium Voltage Power Cable Construction
Medium voltage power cables are an important part of the electrical grid. They transfer electricity from high to low voltages and can be found in many applications such as factories, large buildings, industrial sites and transmission lines.
The construction of medium voltage cables is composed of several layers that protect the inner conductor from environmental factors such as humidity, heat and mechanical strain. These layers include a solid or stranded core conductor made from either copper or aluminum, one or more insulation layers composed of cross-linked polyethylene (XLPE) or other materials, a layer of semi-conductive material to dissipate electrostatic charge and finally an outer sheath made from thermoplastic or thermosetting compounds.
The conductor used in medium voltage power cable is designed to carry current without any significant loss over a long period of time. The insulation material must also be able to withstand thermal aging while providing adequate insulation between conductors. The semi-conductive material ensures that any charge buildup is quickly dissipated thus avoiding any potential damage to the cable construction. The outer sheath provides additional protection for the cable against external elements such as moisture, gases and chemicals.
When selecting a medium voltage power cable for an application, it is important to consider the performance criteria required for the task at hand including temperature rating, maximum rated current capacity, voltage drop ratings and flame retardance rating. It is also essential that all safety regulations related to installation and usage are strictly followed so as to ensure safe operation of these crucial electrical components.
1 Core Medium Voltage Power Cable Chart Size
|
Nominal Conductor Area |
No. and Diameter of Wires |
Nominal Diameter of Conductor |
Maximum Conductor
Resistance at 20ºC |
Nominal Weight per km of |
|
(mm2) |
(no./mm) |
(mm) |
(0/km) |
Conductor (kg/km) |
|
1 |
7 / 0.43 |
1.29 |
18.1 |
9.2 |
|
1.5 |
7 / 0.53 |
1.59 |
12.1 |
14 |
|
2.5 |
7 / 0.67 |
2.01 |
7.41 |
22.4 |
|
4 |
7 / 0.85 |
2.55 |
4.61 |
36.1 |
|
6 |
7 / 1.04 |
3.12 |
3.08 |
54 |
|
10 |
7 / 1.35 |
4.05 |
1.83 |
90.8 |
|
16 |
7 / 1.70 |
4.69 |
1.15 |
145 |
|
25 |
7 / 2.14 |
5.9 |
0.727 |
229 |
|
35 |
7 / 2.52 |
6.95 |
0.524 |
317 |
|
50 |
19 / 1.78 |
8.4 |
0.387 |
429 |
|
70 |
19 / 2.14 |
10.1 |
0.268 |
620 |
|
95 |
19 / 2.52 |
11.9 |
0.193 |
860 |
|
120 |
37 / 2.03 |
13.5 |
0.153 |
1086 |
|
150 |
37 / 2.25 |
14.9 |
0.124 |
1334 |
|
185 |
37 / 2.52 |
16.9 |
0.0991 |
1673 |
|
240 |
61 / 2.25 |
19.2 |
0.0754 |
2199 |
|
300 |
61 / 2.52 |
21.5 |
0.0601 |
2759 |
|
400 |
61 / 2.85 |
24.3 |
0.047 |
3528 |
|
500 |
61 / 3.20 |
27.3 |
0.0366 |
4448 |
|
630 |
127 / 2.52 |
32.76 |
0.0283 |
5744 |
|
800 |
127 / 2.85 |
37.05 |
0.0221 |
7346 |
|
1000 |
127 / 3.20 |
41.6 |
0.0176 |
9260 |
3 Core Medium Voltage Power Cable Chart Size
|
No. Cores |
Conduct or Cross Sec- tion Area (mm²) |
Cable Cross Section Area (mm²) |
Actual Armour Cross Section Area (mm²) |
Overall Diameter (mm) |
Gland
Size |
Cleat Size |
Nominal Weight (kg/km) |
Resistance of Copper Conductor (Ω/Km) at 200C |
|
3 |
1.5 |
124.63 |
16 |
12.6 |
20s |
6 |
330 |
12.1 |
|
3 |
2.5 |
156.07 |
19 |
14.1 |
20s |
6 |
390 |
7.41 |
|
3 |
4 |
183.76 |
20 |
15.3 |
20s |
6 |
464 |
4.61 |
|
3 |
6 |
216.31 |
23 |
16.6 |
20 |
7 |
568 |
3.08 |
|
3 |
10 |
298.5 |
39 |
19.5 |
20 |
8 |
866 |
1.83 |
|
3 |
16 |
366.25 |
45 |
21.6 |
25 |
10 |
1152 |
1.15 |
|
3 |
25 |
510.45 |
62 |
25.5 |
32 |
11 |
1800 |
0.727 |
|
3 |
35 |
615.44 |
68 |
28 |
32 |
11 |
2230 |
0.524 |
|
3 |
50 |
637.62 |
78 |
28.5 |
32 |
12 |
2490 |
0.387 |
|
3 |
70 |
813.92 |
90 |
32.2 |
40 |
14 |
3290 |
0.268 |
|
3 |
95 |
1074.67 |
128 |
37 |
40 |
16 |
4440 |
0.193 |
|
3 |
120 |
1281.25 |
141 |
40.4 |
50 |
16 |
5470 |
0.153 |
|
3 |
150 |
1625.15 |
201 |
45.5 |
50 |
18 |
6930 |
0.124 |
|
3 |
185 |
1946.83 |
220 |
49.8 |
50 |
20 |
8350 |
0.0991 |
|
3 |
240 |
2383.27 |
250 |
55.1 |
63 |
T9 |
10400 |
0.0754 |
|
3 |
300 |
2844.87 |
269 |
60.2 |
63 |
T10 |
12600 |
0.0601 |
|
3 |
400 |
3481.91 |
304 |
66.6 |
75 |
T11 |
14600 |
0.047 |
Medium Voltage Power Cable Price List
Medium Voltage Power Cable is an important component of any electrical system and can be priced in a wide range of prices. Prices can vary depending on the type of cable, thickness, and length. Generally speaking, the thicker the wire, the more expensive it is. If you are looking for a reliable and quality medium voltage power cable at an affordable price, you should consider HuaDong cables.
HuaDong offers a variety of medium voltage power cables to suit different applications at competitive prices. These include XLPE insulated power cables with single core and multi-core options, as well as armoured or unarmoured cables. The diameter ranges from 10mm2 to 630mm2 and they come in various lengths starting from 50m up to 500m. In addition, some types of cables come with special features such as fire-resistant or oil-resistant materials which are suitable for certain applications.
Medium voltage power cables also come with different levels of current carrying capacity that can affect the cost too. For example, if you require a higher current rating (up to 1000A) then this will increase the cost of your cable compared to lower rated ones (up to 630A). It's important to make sure that you choose the correct current rating for your application in order to get the most value for money out of your purchase.
Medium Voltage Power Cable Why choose HuaDong
HuaDong provides a wide variety of medium voltage power cables that come in multiple sizes and conductor types. The cables are insulated with advanced EPR insulation material and feature a semi-conductive layer which is ideal for high voltages up to 36kV. The design also includes a combination of shields and jackets that make them highly resistant to abrasion as well as UV radiation.
One of the main benefits of using HuaDong's medium voltage power cables is that they are designed with a long service life in mind. This means they can withstand even extreme environmental conditions without any problems. They also feature an impressive temperature range from -20°C to 90°C which makes them ideal for both indoor and outdoor applications.
HuaDong Cable also offers competitive pricing on its products which makes them an attractive choice for many businesses. In addition, HuaDong provides technical support services which can help customers with all their installation needs and ensure they get the most out of their purchase.
Overall, if you’re looking for reliable medium voltage power cables that will last for years, HuaDong should definitely be at the top of your list. With their superior quality, competitive prices, and excellent customer service, you can rest assured knowing your investment will be worth it in the long run.
