Extral high voltage 110KV~500KV copper condcutor cable

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Product Description:

 

Extral high voltage 110KV~500KV  copper condcutor  cable

Specifications

            extral high voltage cable
1.Professional manufacture
2.Competitive price with international stand                 

 

Executive standard

 

International: IEC 60502-2, IEC 60228, IEC 60840, IEC62067

 

Chinese: GB/Z 18890-2002

 

Other standards such as BS,DIN and ICEA upon request

 

Applications

 

This product is suitable for AC rated voltage(u0/u)to 127/220kv transmission line system of neutral point grounding.

 

Production range of cable

 

Type

Nomber of core

Rated Voltage kV

127/220

Nominal cross-section of conductlr mm2

YJLW02    YJLW03

1

400

500

630

800

1000

1200

1400

1600

1800

2000

2200

2500

 

Workshop

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Q:Calculate the control cable under what circumstances the cable terminal needs to be calculated
" Why should the closed wall or protective wall closed on the second side of the closed junction box? This need to understand if you do not add this closed junction box, what kind of harm Civil air defense project in the closed wall is divided into the clean area and the area of ​​the infected area, and the wire tube in the thread after the inside is a cavity, directly through the wall to communicate with the cleaning area and exposed areas, so wartime works outside the dyeing The poisonous air can penetrate into the clean area through the cavity inside the wire tube, which is harmful to the personnel inside the project And the installation of a sealed junction box, you can thread in the line after the box filled with sealing material to block the tube cavity connectivity This is why the electrical safety pipe in the air defense project must pass the closed wall or protect the closed wall when the two sides must be closed in the closed junction box reasons
Q:With the patch panel how to deal with the line corresponding to the crystal line of the line order is what
The size of the jumper varies with the specifications of the bridge, which is uncertain; the so-called repetitive ground is at least two that is the beginning and end of the end, if the length is enough, the need for intermediate isolation to do the appropriate length of the ground. Stressed that a certain attention to the ground is connected to the power grid on the ground, not directly into the ground.
Q:Power Cable Check Well b-type covers show what?
B-grade steel fiber concrete check covers are used for motor vehicle driving, parked urban roads, highways and parking lots C-grade steel fiber concrete check covers for slow lanes, residential quarters and sidewalks D-grade steel fiber concrete inspection covers for green belts and motor vehicles can not travel, parked lanes and venues
Q:What is the installation specification for the cable tray bracket?
In accordance with the requirements of the general requirements of the installation of the switch installation height is 1300mm, the socket is 300mm, air conditioning socket is 1800 ~ 2200mm; wall in accordance with the norms is not allowed to take the horizontal pipeline, so the conventional approach is vertical inside the floor of the pipe is near run.
Q:Brief description of the difference between cable and cable.
Optical fiber (optical fiber) is designed to meet the optical, mechanical or environmental performance specifications, it is used in the jacketed jacket in one or more optical fiber as a transmission medium and can be used alone or in groups of communication cable Component. Fiber optic cable is mainly composed of optical fiber (such as the hair of the glass) and plastic protective casing and plastic skin, the cable without gold, silver, copper and aluminum and other metals, generally no recovery value. Fiber optic cable is a certain number of optical fiber in accordance with a certain way to form a cable core, outsourcing jacket, and some also cover the outer cover, used to achieve optical signal transmission of a communication line. That is, a fiber formed by a certain process by an optical fiber (optical transmission carrier). The basic structure of the cable is generally composed of cable core, reinforced steel wire, filler and jacket and other parts, and also need to have waterproof layer, buffer layer, insulated metal wire and other components. A cable is usually a rope of similar rope made of several or several sets of wires (at least two in each group), each of which is insulated from each other and often twisted around a center with a height Insulated cover. Cable with internal power, external insulation characteristics. Category cables are power cables, control cables, compensating cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum cables and so on. They are composed of single or multi-strand wire and insulation layer, used to connect the circuit, electrical appliances and so on.
Q:The difference between power cable and overhead cable
. the power cable occupies less. Generally buried in the soil or laying in the room, the channel, the tunnel, the line between the insulation distance is small, no tower, covers an area, basically does not occupy the ground space. The overhead cable is the opposite. . power cable reliability. Affected by climatic conditions and the surrounding environment, transmission performance is stable, high reliability. . the power cable has to ultra-high pressure, large capacity development of more favorable conditions, such as low temperature, superconducting power cables. . the power cable distribution capacitor larger. Overhead cable is the opposite . the power cable maintenance work less overhead cable is the opposite . the power cable electric shock is unlikely. The overhead cable is the opposite
Q:Power cable casing buried what are the requirements
2 no protective measures, should avoid the termite damage zone, heat source and vulnerable to external damage to the section
Q:What is the length of the wire that affects voltage and electricity
Because the AC operation will produce eddy current, will make the steel pipe and cable heat burned
Q:Lighting wire, I do not know is it. The When to use BV1 * 2.5, when to use 2 * 2.5, when to use 3 * 2.5, when to use 4 * 2.5,
It does not look good, but also affect the wallpaper, wallpaper, in full swing, and then from the chain reaction, then it is worthless, it is recommended to use decorative decorations decorated, perhaps alone for more suitable wallpaper pattern or color ... that does not affect the wallpaper Can also play a decorative effect ... Thank you
Q:What is the difference between the control cable and the compensation cable?
The reason why the wire outside the casing, is to protect the wire insulation from external damage. And the wire laying in the cable tray. The bridge has been gas to the protection of the role, so no longer outside the casing

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