Главная > Новости компании > How to improve the reliability of fast charging for electric vehicles
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Leo Yu
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Новости компании

As an important tool for future transportation, the promotion and popularization of electric vehicles is inevitable. Along with this, the charging market is also facing increased demand for fast charging and upgrading of charging technology, and the safety of the charging system has become a focus of attention.
Firstly, fast charging means increased current, which can lead to overheating of charging equipment and cables, which may cause fire or damage to the equipment. Secondly, it is important to focus on electrical safety: fast charging needs to deal with high voltages and currents, with the risk of electric shock and electrocution. In addition, fast charging systems may experience malfunctions, such as voltage fluctuations and power failures, which may cause damage to charging equipment and electric vehicles. Therefore, to address these issues, how to ensure a safe and efficient charging process is the primary focus of the charging industry.
Equipment safety: Charging piles and charging cables are the core components of electric vehicle charging systems. Ensure that the design, manufacture and installation of charging piles and charging cables comply with relevant standards and specifications, and have good insulation and high temperature resistance. Regularly inspect and maintain the charging equipment to ensure its normal operation and safety and reliability. Charging equipment and cables need to comply with relevant safety certifications and standards, such as the International Electrotechnical Commission's (IEC) safety standards for charging equipment, to ensure compliance in their design, manufacture and use.
Insulation protection: The insulation of charging cables and connectors is important to prevent electric shocks and electrical fires. Ensure that the insulation of charging cables and connectors is intact and free from cracks or abrasion. The charging cable is a key part of electrical energy transmission, and its quality and safety are critical to the fast charging process. High-quality charging cables that meet the standards should be selected and regularly inspected and maintained. Avoid contact between the charging cable and sharp objects or sharp edges to prevent damage to the insulation layer and to ensure its insulation and high temperature resistance.
Overload protection: The charging system should have overload protection to prevent the current from exceeding the rated load capacity of the equipment and cables. The overload protection device can monitor the current and automatically cut off the power supply when the rated value is exceeded, ensuring the safety of the charging process and the long-term reliability of the equipment.
Ground connection: In order to prevent ground faults during EV charging, connecting the ground wire correctly is an important step to ensure the safety of the charging system. Charging piles and electric vehicles should be properly grounded to prevent current leakage and risk of electric shock and to protect personal safety. Ensure that the ground wire is firmly and reliably connected, with no loose or corroded connections.
Temperature monitoring and control: During fast charging, cables and connectors may generate heat due to current passage. A temperature monitoring device should be set up to monitor the temperature of the charging equipment and cables in real time to ensure that the temperature of the charging cables and connectors is within the safe range, so as to avoid overheating that may cause fire or damage to the equipment. When the temperature exceeds the safe range, corresponding measures should be taken, such as reducing charging power or stopping charging, to prevent overheating from causing safety problems. Liquid-cooled charging technology can effectively solve the problem of overheating of charging cables and improve the safety of the charging system.
Safety Warning Signs: Clearly visible safety warning signs are set around the charging equipment to remind users of safety matters and operation norms.
Electric vehicle charging cable is an important part of new energy charging equipment.OMG' electric vehicle charging cable meets the European standard EN, IEC, UL, JCS, PSE, CQC, DEKRA and other industry certifications. It has the advantages of high flexibility, bending radius less than 5D, acid and alkali resistance, abrasion resistance, crush resistance, bending resistance of more than 50,000 times, anti-cracking, UV resistance, good flame retardant properties. Moreover, the materials used in the cables comply with RoHS 2.0 & REACH environmental standards.OMG's liquid-cooled charging cables comply with IEC62893 standards, and can provide customized and specialized cable solutions according to customers' specific needs, giving car owners a more reliable fast-charging experience.