High-Low Voltage XLPE Wire

As a leading cable manufacturer, we understand the importance and widespread usage of power cables in various industries. In this blog post, we will delve into the diverse applications of power cables and shed light on their crucial role in enabling the efficient transmission of electrical energy. Whether it's delivering electricity to homes, powering industrial equipment, or supporting infrastructure projects, power cables play a vital role in our modern world.   1. Residential and Commercial Power Distribution: Power cables are extensively used in residential and commercial buildings to provide reliable electricity to households, offices, and commercial spaces. These cables play a key role in distributing electrical power from the main power source to individual electrical outlets, lighting fixtures, appliances, and other electrical devices.   2. Industrial Power Supply: In industrial settings, power cables are employed to ensure uninterrupted and efficient power supply to heavy machinery, manufacturing equipment, and industrial processes. These cables are designed to withstand high voltages, harsh environments, and heavy loads, making them indispensable for industries such as manufacturing, mining, oil and gas, and transportation.   3. Renewable Energy Integration: With the growing focus on sustainable energy sources, power cables are crucial for transmitting electricity generated from renewable energy systems such as solar farms, wind turbines, and hydroelectric power plants. These cables form the backbone of the power transmission infrastructure, enabling the efficient integration of renewable energy into the grid and facilitating the transition towards a greener future.   4. Infrastructure and Construction Projects: Power cables are integral to large-scale infrastructure projects such as airports, railways, highways, and residential complexes. They are used in underground and overhead power transmission systems, underground distribution networks, and underground substations. These cables provide reliable and efficient power supply to various components, ensuring the seamless operation of infrastructure projects.   Power cables are the lifeline of our electrical systems, enabling the distribution and transmission of electricity to homes, businesses, and industries. From residential power distribution to industrial applications and renewable energy integration, the versatile applications of power cables are crucial for powering our modern world. As a trusted cable manufacturer, we are committed to delivering high-quality and reliable power cables that meet the diverse needs of our customers across various sectors.

When the resistance of the cable conductor does not meet the requirements, it will cause the cable to overheat during operation. When the voltage source is connected to the external load, it is considered that the internal resistance is in series with the external load. When using it, it is required that the internal resistance of the voltage source be as small as possible. When the voltage and material are the same, the better the material of the conductor, the lower the resistance. Power lines are generally made of copper coated aluminum or oxygen free copper. According to the resistivity of copper and aluminum wires: 1.At the same temperature, the resistivity of copper wire is 0.0175 Ω, while the resistivity of aluminum wire is 0.0294 Ω. The shorter the length of the power cord, the lower the resistance, and the larger the cross-sectional area, the lower the resistance. For most conductors, there is also a certain relationship with temperature. The higher the temperature, the greater the resistance, but for a few conductors, the resistance decreases with increasing temperature. 2. Local damage to the cable sheath can cause slow damage to the insulation performance after water ingress, resulting in a gradual decrease in insulation resistance and overheating during cable operation. During installation, the cables are arranged too densely, resulting in poor ventilation and heat dissipation. 4. The cable is too close to other heat sources, resulting in abnormal heat dissipation. 5. Poor joint manufacturing technology and loose crimping result in excessive contact resistance at the joint, leading to cable overheating. 6. Poor insulation performance between cables leads to low insulation resistance and overheating during operation.