I. Product - related Information
(I) Specification Parameters
As a power transmission carrier with stable performance, the N2xb2y (Cu/XLPE/STA/PE)
Power Cable has specification parameters that are the core basis for ensuring power transmission efficiency and safety. Each parameter has undergone precise calculation and design.
The rated voltage of this cable is clearly marked as 0.6/1kV, where 0.6kV is the phase voltage and 1kV is the line voltage. This voltage level enables it to perfectly adapt to low - voltage distribution systems. It can meet the power transmission needs of daily power supply in urban residential communities, power transmission in small commercial areas, and equipment power consumption in small and medium - sized industrial sites. It shows stable voltage - bearing capacity in low - voltage power consumption scenarios and reduces the impact of voltage fluctuations on electrical equipment.
In terms of conductor - related parameters, copper (Cu) is used as the
Conductor Material. Copper has excellent conductivity and low resistivity, which can effectively reduce energy loss during power transmission. Although the specific cross - sectional specification of the conductor is not clearly marked, combined with its overall design and applicable scenarios, the conductor cross - section will be reasonably configured according to the actual power load. It can usually meet the current - carrying capacity requirements of medium and low - power power consumption scenarios, ensuring that there will be no problems such as overheating due to overload during long - term use.
In terms of structural dimensions, the overall outer diameter of the cable is determined by the
Copper Conductor, XLPE insulation layer, STA (
Steel Tape armouring), and HDPE sheath. The thickness of each layer is scientifically proportioned to ensure insulation and protection performance while controlling the overall size within a reasonable range. This design not only facilitates the laying of the cable in limited spaces such as pipes and trenches but also reduces the laying difficulty to a certain extent and improves construction efficiency.
In addition, the bending radius of this cable also has strict standards. The reasonable bending radius design allows the cable to adapt to certain angle adjustments during laying, avoiding damage to the internal structure due to excessive bending, and ensuring the service life and operation safety of the cable. At the same time, it has excellent temperature resistance. The XLPE insulation layer can maintain stable insulation performance at relatively high temperatures and can usually work normally in an ambient temperature range of - 40℃ to 90℃, adapting to the climate conditions in different regions.
With its unique material combination and structural design, the N2xb2y power cable can play an important role in various power transmission scenarios and has become an ideal choice in the field of low - voltage distribution.
In the field of urban civil buildings, this cable is widely used. It can be seen in the distribution trunk lines of residential communities and the power wiring inside buildings. Urban civil buildings have high requirements for the safety and stability of cables. The high conductivity of the copper conductor ensures the efficiency of power transmission and can provide a stable guarantee for residents' daily electricity use. The good insulation and aging resistance of the XLPE insulation layer can reduce potential safety hazards caused by insulation failure. The HDPE sheath has excellent corrosion resistance and wear resistance and can adapt to complex environments inside buildings, such as humid basements and dusty pipe wells.
Small industrial sites are also important application scenarios for this cable. It is often used in the power supply lines of production equipment in some small and medium - sized factories and the distribution lines inside workshops. The power of electrical equipment in small industrial sites is relatively moderate, and the current - carrying capacity of this cable can meet the needs. At the same time, the steel tape armouring layer can provide effective mechanical protection for the cable, resisting external impacts such as mechanical collisions and friction that may occur in industrial sites, ensuring the continuous and stable supply of electricity and the normal progress of production.
This cable also performs well in municipal engineering. It can be used in the power supply lines of urban road lighting systems and the power supply of irrigation equipment in municipal green belts. The cable laying environment of municipal engineering is relatively diverse, and some need to be laid underground. The HDPE sheath has strong resistance to soil corrosion and can work stably in the underground environment for a long time. The steel tape armouring layer can enhance the compression resistance of the cable and bear the pressure of the soil and the indirect load caused by vehicle driving.
In addition, this cable can also play a role in the field of agricultural production. It can be used in the power supply of agricultural greenhouses and the distribution lines of small irrigation pumping stations. The agricultural production environment may have a certain amount of water vapor and dust. The XLPE insulation layer and HDPE sheath can effectively resist the erosion of these factors, ensure the insulation performance and protection performance of the cable, and provide support for the normal electricity use in agricultural production.
The material selection and style design of the N2xb2y power cable are closely related to its performance. The application of each material is aimed at improving the reliability and applicability of the cable, and the style design takes both practicality and aesthetics into account.
The conductor is made of copper (Cu). Copper is a metal material with excellent conductivity, and its resistivity is much lower than that of other common conductor materials such as aluminum. This makes the cable have extremely low energy loss during power transmission, which can improve the power transmission efficiency, especially in scenarios with high requirements for power transmission efficiency. At the same time, the copper conductor has good ductility and mechanical strength, which is not easy to break during processing and laying, and can ensure the structural stability of the cable.
The insulation layer is made of XLPE (cross - linked polyethylene). XLPE is a polyethylene material that has undergone cross - linking treatment. Compared with ordinary polyethylene, its heat resistance, aging resistance and mechanical strength have been significantly improved. It can maintain stable insulation performance in a relatively high - temperature environment and avoid aging and failure of the insulation layer caused by heat generated during cable operation. Moreover, the XLPE insulation layer has good chemical corrosion resistance, which can resist the erosion of various chemical substances and prolong the service life of the cable.
As an important protective structure of the cable, the steel tape armouring (STA) layer is made of high - quality steel tape. The steel tape has high mechanical strength, which can provide effective mechanical protection for the cable and prevent the cable from being damaged by external mechanical impacts, extrusion and other damages during laying, transportation and use. At the same time, the steel tape armouring layer can also play a certain shielding role, reducing the impact of external electromagnetic interference on power transmission and ensuring the stability of power transmission.
The sheath is made of HDPE (high - density polyethylene) material. HDPE has excellent corrosion resistance, wear resistance and weather resistance. It can effectively resist the erosion of water, corrosive substances in the soil, ultraviolet rays and other external factors, and protect the internal structure of the cable from damage. Moreover, the HDPE sheath has good
Flexibility and can adapt to a certain degree of bending during laying, which is convenient for construction.
In terms of style design, the cable adopts a circular structure. This structure makes the force on the cable more uniform. When subjected to external pressure, the force can be distributed to the entire section, reducing the risk of local damage. At the same time, the circular structure is convenient for cable winding, transportation and storage, and can better adapt to various laying pipes and trenches, improving the convenience of laying.
(IV) Production Process
The production process of the N2xb2y power cable is rigorous and meticulous. Every link from the selection of raw materials to the inspection of finished products has strict quality control standards to ensure that the performance and quality of the products meet the requirements.
The manufacture of
Copper Conductors is the first step in production. High - purity electrolytic copper is selected as the raw material, and copper rods are made through smelting, ingot casting and other processes. Then, the copper rod is drawn into a
Copper Wire with the required diameter through a wire - drawing process. During the wire - drawing process, the wire - drawing speed and die precision must be strictly controlled to ensure that the diameter of the copper wire is uniform and the surface is smooth. After that, according to the cross - sectional requirements of the cable, multiple copper wires are stranded in a specific way to form a copper conductor. During the stranding process, the stranding pitch should be well controlled to ensure the roundness and flexibility of the conductor and enhance the mechanical strength of the conductor at the same time.
The extrusion of the XLPE insulation layer is one of the key processes. First, the XLPE particles are dried to remove the moisture in the particles to avoid defects such as bubbles in the insulation layer. The dried XLPE particles are sent to the extruder and melted into a fluid state at high temperature. Then, the molten XLPE is evenly wrapped around the outer layer of the copper conductor through an extrusion die to form an insulation layer. During the extrusion process, the extrusion temperature, pressure and speed must be accurately controlled to ensure that the insulation layer has a uniform thickness, a smooth surface and is closely combined with the copper conductor. After extrusion, the insulation layer is cross - linked. By heating, the XLPE molecules form a three - dimensional network structure, thereby improving its heat resistance and mechanical strength.
The production of the steel tape armouring layer needs to go through steps such as steel tape pretreatment and winding. First, the steel tape is pretreated such as derusting and painting to enhance its corrosion resistance. Then, the steel tape is wound around the outer layer of the XLPE insulation layer at a certain angle and tension through an armouring machine. During the winding process, it is necessary to ensure that the steel tape is arranged neatly and closely attached without overlapping, loosening and other phenomena. The lap width of the steel tape must meet the specified requirements to ensure the overall strength and protection performance of the armouring layer.
The extrusion process of the HDPE sheath is similar to that of the XLPE insulation layer, but the raw materials and process parameters used are different. HDPE particles are added to the extruder, heated and melted, and then evenly wrapped around the outer layer of the steel tape armouring layer through an extrusion die to form a sheath. During the extrusion process, parameters such as temperature and pressure should be controlled to ensure that the sheath has a uniform thickness, a smooth surface, is closely combined with the armouring layer, and has no defects such as bubbles and cracks.
Finished product inspection is the last line of defense to ensure cable quality. The inspection items include conductor DC resistance test to check whether the conductivity of the copper conductor meets the standard; insulation resistance test and withstand voltage test to verify the insulation performance of the XLPE insulation layer; mechanical performance tests, such as tensile test and bending test, to test the tensile and bending resistance of the cable; and environmental stress cracking resistance test of the sheath. Only cables that meet all the test standards can be judged as qualified products and leave the factory.
II. General Product Information
(I) Packaging
The packaging design of the N2xb2y power cable focuses on protecting the cable from damage during storage and transportation, and at the same time takes into account the requirements of clear identification and easy handling, ensuring that the cable remains in good condition from the factory to the customer.
For coiled cables, wooden or metal reels are usually used for packaging. The size of the reel is determined according to the length and diameter of the cable, with sufficient load - bearing capacity to stably support the weight of the cable. The cable is neatly wound on the reel, and appropriate tension is maintained during winding to prevent the cable from loosening, rubbing against each other or twisting. Both sides of the reel are equipped with baffles, which are higher than the winding height of the cable to prevent the cable from sliding off both sides of the reel. The central axis of the reel is provided with a lifting hole, which is convenient for handling with lifting equipment.
The outside of the reel is wrapped with a strong plastic film, which has good moisture - proof and dust - proof performance and can protect the cable from external moisture and dust erosion. For cables that need to be transported over long distances or stored for a long time, a layer of waterproof canvas is covered outside the plastic film to further enhance moisture - proof and sun - proof capabilities and prevent the cable from being damaged due to environmental factors.
Clear labels are pasted on the package, indicating the product name (N2xb2y power cable), model, specification, rated voltage (0.6/1kV), length, production batch number, production date, manufacturer name, contact information, etc. At the same time, some warning signs such as "Do not press heavily", "Keep away from moisture and sunlight", "Lifting point" are also marked on the labels to remind handlers and storage personnel to pay attention to relevant matters.
For small - length cable samples or small - batch orders, sealed plastic woven bags or cartons are usually used for packaging. Buffering materials such as foam boards and bubble films are placed inside the package to prevent the cable from being damaged due to collision during transportation. The basic information and warning signs of the product are also marked on the package.
(II) Transportation
The transportation of N2xb2y
Power Cables must follow strict specifications and procedures to avoid cable damage due to improper operation during transportation and ensure that the cables are delivered to the destination safely and timely.
The transportation method is selected according to factors such as transportation distance and order quantity. For large - quantity and long - distance transportation, railway transportation or road transportation is usually adopted. Railway transportation has the characteristics of large transportation volume and good stability, which is suitable for long - distance transportation. During transportation, the reels wrapped with cables are neatly placed on the flat plate of the railway freight car, and the reels are firmly fixed with steel wire ropes or fastening belts to prevent the reels from rolling or shifting during transportation. Appropriate gaps should be left between the reels to avoid mutual collision.
Road transportation has the advantages of high flexibility and direct access to the destination, which is suitable for medium - and short - distance transportation or orders with requirements on transportation time. The transport vehicle must be a truck with sufficient load - bearing capacity, and the carriage must be flat, clean and free of sharp debris. The fixing method of the cable reel is the same as that of railway transportation. At the same time, the driving speed should be controlled according to road conditions to avoid violent operations such as sudden braking and sharp turns and reduce the impact on the cable.
For small - batch or sample cables, express delivery or logistics transportation can be used. Before transportation, the cable should be properly packaged to ensure that it will not be damaged during transportation. Choose a reputable express company or logistics company with experience in transporting cables, and inform them of the characteristics of the cable and transportation precautions.
The following matters should be noted during transportation: cables should avoid open - air transportation. If it is unavoidable, they should be covered with waterproof canvas to prevent sun and rain; keep away from fire sources, heat sources and corrosive substances to avoid damage to the insulation layer and sheath of the cable; when loading and unloading cables, special lifting equipment must be used. The lifting point should be selected at the central axis of the reel. Lifting from the side of the reel is strictly prohibited to prevent the reel from deforming or the cable from sliding off; during handling, dragging and throwing of cable reels are prohibited to avoid severe impact on the cables.
Transport personnel must be familiar with the characteristics of the cable and transportation requirements, regularly check the fixing status of the cable and the integrity of the package, and deal with abnormalities in a timely manner. After arriving at the destination, they must check the packaging and appearance of the cable with the receiver to ensure that they are intact before going through the handover procedures.
(III) Delivery
The delivery process of N2xb2y power cables focuses on efficiency and accuracy. All links from order receipt, goods preparation to goods dispatch are strictly managed and controlled to ensure that customers can receive products that meet the requirements on time.
After the customer places an order, the sales department will promptly enter the order information into the system and transmit it to the warehouse and production department (for spot orders, it will directly notify the warehouse). After receiving the order, the warehouse immediately checks the inventory to confirm that the model, specification, quantity, etc. of the product are consistent with the order. For customized orders, the production department will arrange production according to the order requirements and notify the warehouse for storage in a timely manner after production is completed.
When preparing goods in the warehouse, a comprehensive inspection of the cables will be carried out, including checking whether the appearance is intact, whether the packaging meets the standards, and whether the identification is clear and accurate. At the same time, relevant product materials, such as product certificates, test reports, and user manuals, are sorted out and prepared to be sent with the goods.
Before delivery, the warehouse will contact the transport company, determine the appropriate transport method and vehicle according to the order quantity, transport distance, etc., and sign a transport agreement with the transport company to clarify the rights and obligations of both parties. For urgent orders, priority will be given to arranging delivery, and transport resources will be coordinated to ensure that the goods are dispatched within the time required by the customer.
After the goods are dispatched, the warehouse will promptly feed back the logistics information (such as the name of the transport company, waybill number, contact information, etc.) to the customer to facilitate the customer to track the transport status of the goods. At the same time, the warehouse will keep delivery records, including delivery notes and logistics documents, for future reference. If there are problems such as delayed delivery or damage to the goods during transportation, it will promptly communicate and coordinate with the transport company to solve the problems for the customer.
(IV) Samples
In order to meet the needs of customers to understand and test the N2xb2y power cable before formal purchase, the company provides a complete sample service to help customers intuitively understand the performance and quality of the product.
Customers can apply for samples through sales personnel, official websites and other channels, and need to specify the model, specification and other information of the required samples when applying. The length of the sample is usually 1 - 3 meters, which can meet the customer's preliminary testing needs for the appearance, material and structure of the cable.
Samples are prepared in strict accordance with the production standards of formal products to ensure that the samples are consistent with mass - produced products in terms of material,
Structure and Performance. The samples are packaged in small reels or sealed packaging bags, with information such as the model, specification and preparation date of the samples marked on them, and a sample description is attached.
The cost and freight of samples are determined according to specific circumstances: for customers with clear purchase intentions, samples can be provided free of charge, and the freight can be borne by the customer or negotiated by both parties; for customers who only use the samples for understanding, a certain sample fee may be charged. If a purchase is made later, the sample fee can be deducted from the payment.
Samples are usually dispatched within 1 - 3 working days after receiving the application, and
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