I. Information Related to the Product Itself
(I) Specification Parameters
LV
Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) has clear and detailed settings in terms of specification parameters. Each parameter has been carefully considered to ensure its stable performance in low-voltage power distribution scenarios.
The rated voltage of this cable is 0.6/1kV, which fully complies with the standards of low-voltage power distribution systems. Among them, 0.6kV is the phase voltage and 1kV is the line voltage. It can be perfectly adapted to common low-voltage power distribution equipment, ensuring that there will be no faults due to voltage mismatch during power transmission and laying a solid foundation for the stable operation of the entire low-voltage power distribution system.
In terms of conductor specifications, it has a variety of common specifications, such as 3×35+2×16, 4×2.5, 4×6, 4×10, etc. "3×35+2×16" means that the cable contains 3 phase wires with a cross-sectional area of 35mm² and 2 neutral wires and
Ground Wires with a cross-sectional area of 16mm². Cables of this specification have a large current-carrying capacity, and under standard working conditions, the continuous current-carrying capacity can meet the power demand of high-power equipment; "4×2.5", "4×6", and "4×10" respectively mean
4 Cores with cross-sectional areas of 2.5mm², 6mm², and 10mm². Different cross-sectional areas correspond to different current-carrying capacities. The current-carrying capacity of 2.5mm² cables can meet the demand of general household daily electrical equipment, while 6mm² and 10mm² can cope with power scenarios with slightly higher power.
The insulation layer is made of XLPE (cross-linked polyethylene) material, which has excellent insulation performance. The insulation resistance is extremely high, which can effectively prevent current leakage. The insulation breakdown strength also far exceeds relevant standards and can withstand high voltage shocks. At the same time, the XLPE insulation layer has excellent temperature resistance, with a long-term allowable working temperature of up to 90°C. In the case of short-term overload, it can also withstand higher temperatures, which enables the cable to operate stably when the power load fluctuates.
The armor layer is usually
Steel Tape armor, and the thickness of the armor layer varies according to the cable specification, generally between 0.5 - 1.2mm. Steel tape armor greatly enhances the mechanical strength of the cable, enabling it to resist external forces such as extrusion and collision, and protecting the internal core and insulation layer from damage. In addition, the bending radius of the cable complies with relevant specifications. The bending radius of cables of different specifications varies, generally 12 - 15 times the outer diameter of the cable, which can meet the needs of different laying environments.
(II) Characteristic Uses
LV Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) has a wide range of targeted applications in many fields relying on its own performance advantages, and can meet low-voltage power distribution needs in different scenarios.
In the construction field, cables of different specifications play different roles. For large commercial buildings such as shopping malls and office buildings, cables of 3×35 + 2×16 specification can be used for the main power distribution lines of the building, connecting from the main distribution box to the distribution boxes of each floor to ensure the power supply of the entire building. Since such buildings have a large power load and the laying environment of the main lines may be subject to certain external pressure, the armor layer of the cable can provide effective mechanical protection, and the XLPE insulation layer ensures the safety and stability of power transmission. Cables of 4×2.5 specification are suitable for indoor branch lines, such as power distribution for lighting and ordinary sockets in offices and shops. Their small cross-sectional area and flexible laying performance can well adapt to the installation in small indoor spaces.
In the industrial field, this cable is also a commonly used power
Distribution Cable. In the production workshops of small and medium-sized factories, cables of 4×10 specification can be used for power supply of some small and medium-sized production equipment, such as small machine tools and fans. These equipment may have slight vibrations and external collisions during operation, and the armor layer of the cable can resist these influences to ensure the normal power consumption of the equipment. Cables of 3×35 + 2×16 specification can be used for the connection between the power distribution box of the workshop and large equipment to meet the power demand of high-power equipment. At the same time, there may be dust, mechanical friction and other situations in the industrial environment, and the structure of the cable can effectively cope with these environmental factors.
In terms of municipal engineering, it can also play an important role. In the power distribution system of street lamps on urban roads, cables of 4×6 specification can be used for the connection between street lamps. Since the street lamp lines may need to be laid underground or erected along electric poles, the armor layer can protect the cables from damage such as soil extrusion and external collision, ensuring the normal lighting of street lamps. In the power distribution of public areas such as parks and squares, cables of 3×35 + 2×16 specification can be used for the main power distribution of public facilities, such as power supply for large landscape lamps and fountain equipment, to meet the power demand of these facilities.
In addition, it is also widely used in the power distribution of residential communities. Cables of 4×10 specification can be used for the power distribution lines of the underground garage in the community. The armor layer can protect the cables from vehicle rolling, soil pressure and other influences in the underground environment; cables of 3×35 + 2×16 specification can be selected for the main power distribution lines in residential buildings to provide stable guarantee for the residents' power consumption of the entire building.
(III) Material and Style
The material selection and style design of LV Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) fully combine its performance requirements and use scenarios, providing a solid foundation for the stable operation and convenient installation of the cable.
The conductor is made of high-purity copper material with a purity of more than 99.95%. High-purity copper has excellent conductivity and extremely low resistivity, which can minimize energy loss during power transmission and ensure the efficiency of power transmission. At the same time, the
Copper Conductor is processed by multi-strand stranding technology to enhance its
Flexibility, enabling it to better adapt to curved paths during laying and not easy to break. The surface of the copper conductor is subjected to anti-oxidation treatment to form a dense oxide film, which can prevent oxidation and corrosion during long-term use and storage, and ensure the stability of conductivity.
The insulation layer uses XLPE (cross-linked polyethylene) material, which forms a three-dimensional network molecular structure through cross-linking reaction, greatly improving its mechanical strength, aging resistance and chemical corrosion resistance. Compared with traditional polyvinyl chloride
Insulation Materials, the XLPE insulation layer has better temperature resistance, will not soften or deform in high-temperature environments, and can maintain stable insulation performance for a long time. Moreover, its dielectric loss tangent value is small, which can reduce reactive power loss during power transmission and improve power transmission efficiency.
The armor layer is made of steel tape, which is galvanized and has good rust resistance, and can adapt to different environments. The steel tape is wrapped around or longitudinally wrapped around the
Insulated Core to form a solid protective layer. The armor layer can not only resist external mechanical forces, but also play a role in moisture-proof, rat and ant proof to a certain extent, prolonging the service life of the cable.
The sheath is usually made of polyvinyl chloride (PVC) material, which tightly wraps around the armor layer to further protect the internal structure of the cable.
PVC Sheath has good corrosion resistance and weather resistance, and can adapt to different environmental conditions, such as humid, dry and slightly corrosive places. At the same time, its surface is smooth, which is convenient for cable laying and installation.
In terms of style, the cable has a
Multi-Core structure. The number of cores and cross-sectional area of different specifications are different, and the overall shape is round. The multi-core structure can meet the needs of different power distribution systems such as three-phase four-wire system and three-phase five-wire system. The round structure makes the cable stress evenly during laying, easy to wind and install, and can better match with pipes, cable trays and other laying facilities. The outer surface of the cable is printed with clear marks, including model, specification, rated voltage, manufacturer and other information, which is convenient for identification and traceability.
(IV) Production Process
The production process of LV Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) is rigorous and complex. Each link from raw material processing to finished product inspection has strict quality control to ensure that the product meets relevant standards and design requirements.
Conductor stranding is the first step of production. High-purity copper rods are selected and drawn into
Copper Wires of the required diameter through a wire drawing process. During the wire drawing process, the wire drawing speed and die precision are strictly controlled to ensure that the diameter of the copper wires is uniform and the surface is smooth. Then, according to the requirements of different specifications, multiple copper wires are stranded in a specific way. During stranding, stable tension is maintained to make the conductor structure compact and round, and at the same time, the flexibility of the conductor is enhanced. The
Stranded Conductor is annealed to eliminate internal stress and further improve its conductivity and flexibility.
The insulation extrusion link is crucial. First, the XLPE particles are dried to remove moisture from the particles to avoid bubbles in the insulation layer. The dried XLPE particles are sent to the extruder, melted at a set temperature, and evenly coated on the outside of each conductor through a special extrusion die to form an insulation layer. During the extrusion process, temperature, pressure and extrusion speed are monitored in real time to ensure that the insulation layer has a uniform thickness, high concentricity with the conductor, and a smooth surface without defects. After extrusion, the insulation layer is cross-linked, and the XLPE molecules are cross-linked by heating with steam or nitrogen to form a stable structure.
The cabling process is to strand multiple insulated cores together according to a certain stranding pitch. Filling materials are placed during stranding to make the cabled cable round. At the same time, stable tension is maintained during cabling to prevent the cores from loosening. After cabling, armor treatment is carried out. The steel tape is wrapped around the cabled core at a certain wrapping angle through an armoring machine. During wrapping, it is ensured that the steel tape is tightly attached without wrinkles or looseness. The lap width of the steel tape meets relevant standards, generally 1/3 - 1/2 of the steel tape width, to ensure the continuity and mechanical strength of the armor layer.
Finally, the sheath is extruded. The PVC particles are dried and sent to the extruder for melting, and evenly coated on the outside of the armor layer through an extrusion die to form a sheath. During the extrusion process, the process parameters are controlled to ensure that the sheath has a uniform thickness, a smooth surface and is tightly combined with the armor layer. The finished cable must undergo strict inspection, including conductor DC resistance, insulation resistance, voltage withstand, mechanical performance and other tests. Only products with all indicators qualified can leave the factory.
II. General Product Information
(I) Packaging
The packaging design of LV Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) focuses on protecting the integrity of the cable during storage, transportation and handling, while taking into account the convenience of packaging and the clarity of identification.
For coiled cables, wooden or metal cable reels are used for packaging. The diameter of the cable reel is determined according to the specification and length of the cable. Cables of larger specifications such as 3×35 + 2×16 usually use cable reels with a diameter of 1.2 - 1.8 meters, and cables of small specifications such as 4×2.5 use cable reels with a diameter of 0.8 - 1.2 meters. The cable is neatly wound on the cable reel, and appropriate tension is maintained during winding to make the cable arranged closely without looseness or distortion, avoiding surface damage caused by mutual friction. Both sides of the cable reel are equipped with baffles, and the height of the baffles is higher than the winding height of the cable to prevent the cable from slipping during transportation and storage.
The outside of the cable reel is wrapped with a layer of plastic film to play a role in moisture-proof and dust-proof. For cables that need long-distance transportation or storage in humid environments, a layer of waterproof canvas is covered outside the plastic film to further enhance moisture-proof and sun-proof performance. A detailed label is pasted on the baffle of the cable reel, which indicates product name, model, specification, length, production batch number, production date, implementation standard, manufacturer name, contact information and other information. The label is made of wear-resistant and waterproof material to ensure that the information is clearly identifiable during transportation and storage. At the same time, warning signs such as "Handle with Care", "Moisture-proof", "Sun-proof" and "Do Not Press Heavily" are also marked on the label.
For small batches or short sections of cable samples, solid cartons are used for packaging. Foam liners are placed inside the cartons to fix the cables in the foam liners to prevent shaking and collision during transportation. Relevant product information and warning signs are also marked on the outside of the cartons.
(II) Transportation
The transportation of LV Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) must follow strict specifications to ensure that the cable is not damaged during transportation and its performance is not affected.
The transportation method is selected according to the transportation distance and quantity. For long-distance transportation with a large quantity, railway transportation or road freight is preferred. Railway transportation has good stability and can reduce 颠簸 during transportation. The cable reels are fixed in the freight carriage, and steel wire ropes or special fastening belts are used to firmly connect the cable reels to the carriage to prevent sliding. For road freight, trucks with good condition and sufficient carrying capacity are selected. The carriage must be flat, clean and free of sharp debris. An appropriate gap is left between the cable reels, and they are separated by buffer materials to prevent mutual collision.
Short-distance transportation can use small trucks or logistics vehicles. Special hoisting equipment is required when loading and unloading cables. The hoisting point should be selected at the central axis of the cable reel. Hoisting from the side of the cable reel or the cable itself is strictly prohibited to prevent deformation of the cable reel or damage to the cable. Handle with care during loading and unloading to avoid violent collision.
The following matters should be noted during transportation: Cables should avoid open-air transportation. If it is unavoidable, they must be covered with waterproof canvas to prevent sun and rain; keep away from fire sources, heat sources and corrosive substances. Transport vehicles are not allowed to approach open fire areas and are not mixed with corrosive goods such as acids and alkalis; during transportation, drivers should drive smoothly, avoid violent operations such as sudden braking and sharp turns, and reduce the shaking of cable reels; regularly check the fixing of cable reels and reinforce them in time if they are loose.
After arriving at the destination, the receiver shall check the packaging and appearance of the cable together with the transporter, and sign for it only after confirming that there is no damage. If there is packaging damage, cable appearance damage and other situations, photos should be taken and recorded in time, and communicate with the shipper and transporter for handling.
(III) Delivery
The delivery process of LV Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) focuses on efficiency and accuracy. There are clear operating specifications for each link from order receiving to goods delivery to ensure that customers can receive qualified products on time.
After the customer places an order, the sales department promptly enters the order information into the system and transmits it to the warehouse and production department. After receiving the order, the warehouse immediately checks the inventory quantity, specifications and other information to ensure that they are consistent with the order. If there is stock, arrange for goods preparation; if it is a customized order, the production department organizes production according to the order requirements, and the production progress is timely fed back to the sales department and customers.
In the preparation stage, warehouse personnel conduct strict outgoing inspection on the cables. Check whether the appearance of the cable is intact, whether the label information is consistent with the order, and whether the packaging meets the requirements. At the same time, sort out the product's certificate, test report and other quality certification documents, and prepare them for delivery together with the cable.
Before delivery, the logistics department selects an appropriate transportation method and transportation company according to the order information and customer requirements, signs a transportation contract, and clarifies the transportation time, transportation route, cargo insurance and other matters. For urgent orders, priority is given to arranging delivery, and transportation resources are coordinated to ensure delivery within the time required by the customer.
After the goods are shipped, the logistics department promptly feeds back the shipping information (such as the name of the transportation company, waybill number, estimated arrival time, etc.) to the customer to facilitate the customer to track the goods dynamics. At the same time, the quality certification documents are sent to the customer by express or electronic document. The warehouse retains delivery records, including outgoing documents, transportation contracts, etc., for future reference.
If abnormal situations occur during the delivery process, such as insufficient inventory and transportation delays, communicate with the customer in time, explain the situation and negotiate solutions, such as adjusting the delivery time and replacing specifications, to protect the customer's right to know and rights.
(IV) Samples
To help customers understand the performance and quality of LV Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) before formal procurement, the company provides sample services. The specifications, materials and performance of the samples are completely consistent with those of mass-produced products.
Customers can apply for samples through sales personnel, the company's official website, customer service hotlines and other channels. When applying, they need to provide information such as the specification, quantity (usually 1 - 5 meters), purpose and contact information of the required samples. Sample applications from customers with clear purchase intentions will be processed first.
Samples are prepared in strict accordance with mass production processes and standards. Special tools are used when cutting cables to ensure flat cuts without burrs.
The two ends of the samples are sealed to prevent moisture and impurities from entering. Samples are packaged in small sealed bags or small cable reels. The packaging is marked with sample specifications, production batch numbers and other information, and is accompanied by sample descriptions and simple quality inspection reports.
In terms of sample fees, for potential major customers or customers with clear purchase plans, samples can be provided free of charge, and only express fees are charged; for general consulting customers, a small sample fee (including material costs and processing fees) is charged. If a purchase is made later, the sample fee can be deducted from the payment.
Samples are usually shipped within 3 - 5 working days after receiving the application, and an appropriate express delivery method is selected according to the customer's location. After the samples are shipped, the express waybill number is promptly informed to the customer, facilitating the customer to track the logistics information. After the customer receives the samples, if there are any questions about the samples, technical personnel can provide professional consulting services.
(V) After - sales Service
The after - sales service system of LV Power Cable Cu XLPE Armoured YJV22 (0.6/1kV) is perfect, committed to providing customers with all - round support, solving problems encountered by customers in the process of product use, and protecting the legitimate rights and interests of customers.
The warranty period of this cable is 18 months from the date of delivery. During the warranty period, if the cable has faults caused by its own quality problems (such as insulation layer breakdown, conductor breakage, armor layer falling off and other faults not caused by human factors), customers can apply for free repair or replacement with the purchase certificate and quality certification documents.
After the customer submits an after - sales application, the after - sales department will respond within 24 hours and arrange technical personnel to communicate with the customer to understand the fault situation. Technical personnel make a preliminary judgment based on the customer's description. For simple problems, they guide the customer to check and handle through phone calls or videos; if on - site handling is required, technical personnel will be arranged to arrive at the site within 48 hours (except for special areas).
During on - site service, technical personnel conduct a comprehensive inspection of the cable to determine the cause of the fault. If it is indeed a quality problem, they will replace or repair the cable for the customer free of charge, and provide a warranty for the replaced cable; if the fault is caused by non - quality reasons such as improper installation by the customer, non - compliant use environment, or man - made damage, paid repair services will be provided, with transparent charging standards, which will be communicated and confirmed with the customer in advance.
In addition, the company also provides technical support services, including consultation and guidance on cable laying, installation, maintenance, etc., and can provide technical manuals or on - site guidance at the request of customers. Regular return visits are made to customers to understand the use of cables, collect customers' opinions and suggestions, and continuously improve products and services.
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