Abstract With the rapid advancement of new energy vehicle (NEV) technology, the safety and reliability of electrical power systems have become critical concerns. This paper explores circuit protection mechanisms in NEVs, including battery management systems (BMS), power transmission lines, power management, motor controllers, and high-voltage DC circuits. By analyzing various protection strategies such as overcurrent […]
1. Scope This standard specifies the test methods for evaluating the performance of thermal management systems in power batteries. It includes test conditions, test procedures, performance evaluation criteria, and reporting requirements. This standard applies to thermal management systems for power batteries used in electric vehicles (Evs), hybrid electric vehicles (HEVs), and other relevant applications. 2. […]
Introduction With the global push toward sustainability, the transportation and heavy machinery industries are undergoing significant transformations. Among them, the advent of electric dump trucks marks a revolutionary shift from traditional diesel-powered vehicles to cleaner and more efficient alternatives. These electric dump trucks not only contribute to reducing carbon emissions but also provide operational advantages […]
Introduction to Electric Drive Motors in New Energy Vehicles With the rapid advancement of new energy vehicles (NEVs), electric drive motors have become one of the core components of electric vehicles (Evs). The performance of these motors directly affects the efficiency, raon gailf, and overall driving experience of an EV. Unlike traditional internal combustion engine (Tearc) […]
Réamhrá le forbairt thapa an tionscail feithiclí leictreacha, Tá dul chun cinn suntasach déanta ag earnáil an chórais tiomána leictrigh. Leanann teicneolaíocht an táirge ag feabhsú, Tá scála na forbartha tionsclaíche ag leathnú, agus tá ábhair agus próisis nua ag teacht chun cinn. Tá treocht an chomhtháthaithe ag éirí níos soiléire. Mar gheall ar chastacht tiomána feithiclí leictreacha […]
In recent years, with strong support from national policies, the pure electric vehicle industry has developed rapidly. Traditional fuel vehicle users are transitioning to NEV users, and as product technology advances, users’ operational habits and awareness should also improve. After all, pure electric vehicles are still a relatively new product for many consumers. With the […]
1. Mótair tiomána feithiclí leictreacha 1.1 DC Motors Feithiclí Luath -Leictreacha (Evs) Mótair DC a úsáidtear go minic mar gheall ar a meicníochtaí rialaithe simplí agus a gcostas íseal. I measc na gcineálacha is coitianta tá mótair DC ar leithligh agus mótair DC sraithe. Cén dóigh faoin spéir a ...?, Caitheann caitheamh meicniúil mar thoradh ar láithreacht comaitéara agus scuaba, ag teastáil ó chothabháil rialta. Na comhpháirteanna seo […]
1. Introduction Lithium-ion batteries are widely used in various industrial applications, and their safety has always been a key research topic. Studies have shown that mechanical abuse is one of the main causes of short circuits in lithium batteries during traffic accidents. Many studies have investigated the mechanical abuse of batteries. Wang Zhenpo et al. […]
Under the multiple influences of environmental protection and policies, the sales volume of new energy vehicles, especially electric vehicles, has been rising steadily and growing rapidly. Cén dóigh faoin spéir a ...?, behind the rapid development, the comments on electric vehicles have always been mixed. For example, they are energy-saving but the purchase cost is too high, they are environmentally […]
This article mainly focuses on the same battery system, under the same temperature conditions and water cooling strategy, using environmental chambers of different specifications and sizes, to study the influence of different positions of the air outlet and different test layouts on the electrical performance test results of the battery system. 1. Theoretical Analysis As […]