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Fast acting fuse used in the high-voltage circuit of electric vehicles
Latest company news about Fast acting fuse used in the high-voltage circuit of electric vehicles

        Fast melting also includes full range protection and short circuit protection. Full range protection. Overload and short circuit are protected by fast melting. It is suitable for small power devices or devices with large margin. Short circuit protection: fast melting is only used for protection in case of short circuit current. In fact, it is very difficult for rapid melting to give consideration to overload delay and short circuit transient.

 

         We mainly apply fast melting in the high-voltage circuit of electric vehicles, and the most concerned parameters are its reliability, fusing speed and breaking capacity. In recent years, fuse manufacturers have been conducting research on short circuit protection for the particularity of electric vehicles. There is a view that is gradually recognized by everyone: the larger the breaking capacity, the better.

 fast acting fuse used in the high-voltage circuit of electric vehicles


        The electric vehicle is an independent electrical system, which is not exactly the same as the nature of the large power grid. The view of the power supply and distribution system is that the higher the breaking capacity of the protective electrical system, the safer the system will be. Because the voltage of the large power grid is high and the form is complex, compared with a local electrical appliance, it can be said that the energy is infinite. At this time, the more reliable the short-circuit current can be cut off, the earlier the short-circuit current can be cut off, the safer the circuit will be. As an independent electrical system, the maximum short-circuit current of electric vehicle is limited and can be calculated. When this level of short circuit current occurs, it can be quickly and effectively disconnected, which is the requirement of electric vehicle application. If we follow the traditional understanding of electrical protection in the field of power supply and distribution and blindly pursue high breaking capacity, it may happen that the breaking time is too long and the best protection opportunity is lost. "

Pub Time : 2022-11-10 14:05:47 >> News list
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