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8/7/2024 11:10:00 PM [博客广场] 分享

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New energy vehicle wiring harnesses are responsible for transmitting signals and electrical energy, providing power supply for various electrical equipment, and ensuring the coordination of various parts of the vehicle is also one of its important responsibilities. The production and installation of high-voltage wiring harnesses directly affect the performance, efficiency and reliability of new energy vehicles.


New energy electric vehicles require a more powerful, fast and efficient power supply system. There are a large number of wiring harnesses arranged inside electric vehicles to transmit control signals and electrical energy, supply power to electrical equipment, and are an important "central nervous system" of the vehicle. In order to ensure stable power supply to devices inside and outside the vehicle, the automotive wiring harness connection must be zero-fault and strong enough.


Electric vehicles rely on strong electrical connections to effectively distribute battery power, which involves wiring harness routing issues. Issues that need to be considered in wiring harness layout include thermal management, contact resistance, connector size, mechanical stress load, etc., and the wiring harness welding shaping process can effectively solve the above problems.

The high-voltage wiring harness welding shaping process is to compact the loose multi-strand wiring harness and weld it into the required shape to facilitate connection with other components.


As the contact resistance increases, the current will decrease, a lot of heat will be generated on the contact surface, and over time, excessive temperature will shorten the service life of the wiring harness. High-voltage wire harness connectors treated with welding shaping process will reduce contact resistance and reduce the heat generated by the electrical system, thereby extending service life.


Wire harness welding shaping process is an ideal solution for copper wire welding, ensuring reliable connection while increasing product life. High-voltage welding wire harness makes the connection safer and more reliable, and can effectively reduce problems caused by mechanical stress load.


By choosing our electric vehicle cables, you will get a safe, efficient, durable and convenient charging experience. We are committed to providing you with high-quality products and considerate services, and providing reliable solutions for charging your electric vehicles. Choose us to make charging safer, more convenient and more efficient! Please visit: https://www.omgevcable.com



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8/7/2024 11:28:00 PM [博客广场] 分享

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With the rapid development of the new energy industry, new energy cables, as key components of power transmission, have increasingly stringent standard requirements for insulation materials. The following is a detailed analysis of the standard requirements for insulation materials of new energy cables:


1. Physical performance requirements

The physical properties of insulation materials of new energy cables must comply with national standards, mainly including:


Tensile strength: ensure that the cable is not easy to break when stretched by external force, and ensure the stability and safety of the cable.


Elongation at break: reflects the elongation ability of the material before breaking, and is an important indicator for evaluating the flexibility of the material.


Hardness: Appropriate hardness can not only ensure the insulation performance of the cable, but also avoid excessive wear during installation and use.


2. Electrical performance requirements

Electrical performance is the core requirement of insulation materials of new energy cables, mainly including:


Dielectric strength: indicates the ability of the material to withstand the action of the electric field without being broken down, and is a key indicator for evaluating the insulation performance of the cable.


Volume resistivity: reflects the difficulty of charge transfer inside the material. High volume resistivity means that the material has good insulation performance.

Dielectric loss: Under the action of the electric field, part of the electrical energy in the insulating material will be converted into heat or other forms of energy and lost. The smaller the dielectric loss, the higher the transmission efficiency of the cable.


3. Heat resistance requirements

New energy cables may be subjected to higher temperatures during operation, so the heat resistance of the insulating material is crucial. Mainly include:


Long-term use temperature: refers to the maximum temperature that the cable can continuously withstand under normal working conditions. The insulating materials of new energy cables are usually required to have a higher long-term use temperature to meet the needs of different application scenarios.


Short-term overload temperature: In a short period of time, the cable may be subjected to high temperatures exceeding the normal working temperature. The insulating material needs to have a good short-term overload temperature tolerance to ensure the safe operation of the cable.


In summary, the standard requirements for new energy cable insulation materials cover physical properties, electrical properties, heat resistance, environmental aging resistance and other aspects to ensure that the cable can maintain stable insulation performance and good operating conditions in various application scenarios. Please visit:

https://www.omgevcable.com


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6/19/2024 10:08:00 PM [车辆-E.V.] 分享

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Description: OMG 35 square EVRP-125 cross-linked low-smoke halogen-free flame-retardant cable: escort for electric vehicle charging


Foreword: With the popularity of electric vehicles, the requirements for charging cables are also increasing. As a leading cable manufacturer in China, OMG Cable has been committed to providing safe and efficient charging solutions for electric vehicles. Today, we will give you a detailed introduction to OMG 35 square EVRP-125 cross-linked low-smoke halogen-free flame-retardant cable. This cable has become an ideal choice for electric vehicle charging due to its excellent performance and quality.


Features of materials used in products: Cross-linked polyethylene (XLPE) insulation material. OMG 35 square EVRP-125 cable uses cross-linked polyethylene (XLPE) as insulation material. This material has excellent electrical and mechanical properties, which can effectively ensure the stability and safety of the cable during long-term use.


Low smoke and halogen-free flame retardant performance: The cable produces very little smoke and toxic gases when burning, which greatly reduces the harm of fire to people and the environment. This feature makes OMG cable extremely safe in the field of electric vehicle charging.


Soft, wear-resistant, oil-resistant, acid-resistant and alkali-resistant: The cable has good physical properties and can adapt to various harsh environments, ensuring that electric vehicles can be charged safely and stably in various scenarios.


Flame retardant grade VW-1: The cable has excellent flame retardant properties, which can prevent the spread of fire to a certain extent and provide a safer charging environment for electric vehicles.


From the perspective of safety quality: excellent safety performance. OMG 35 square EVRP-125 cable adopts advanced production technology and materials and has extremely high safety performance. During the charging process of electric vehicles, it can effectively prevent the occurrence of safety accidents such as fire and electric shock.


Environmental protection and energy saving: The cable adopts low-smoke halogen-free flame retardant materials, complies with RoHS 2.0 and REACH environmental protection standards, and reduces pollution to the environment. At the same time, the excellent performance of the cable also reduces energy consumption and realizes a green and low-carbon charging method.


In summary, OMG 35 square EVRP-125 cable is suitable for electric vehicle charging pile equipment, mobile portable charging wire and cable devices, and internal wires for electric vehicles (battery wires/motor wires). Its excellent performance and quality can meet the high standards of electric vehicles in different environments and use conditions.


Please visit: https://www.omgevcable.com/lxwm/



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