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 […]
Arquivos de categoria: Conhecimento de caminhões elétricos
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 (VEs), 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. Entre eles, 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 (VEs). The performance of these motors directly affects the efficiency, faixa, and overall driving experience of an EV. Ao contrário do motor de combustão interna tradicional (GELO) […]
Introdução Com o rápido desenvolvimento da indústria de veículos elétricos, o setor de sistemas de acionamento elétrico também fez progressos significativos. A tecnologia do produto continua a melhorar, a escala do desenvolvimento industrial está se expandindo, e novos materiais e processos estão surgindo. A tendência de integração está se tornando mais evidente. Devido à complexidade da condução de veículos elétricos […]
Nos últimos anos, 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, Usuários’ operational habits and awareness should also improve. Afinal, pure electric vehicles are still a relatively new product for many consumers. Com o […]
1. Motores de acionamento de veículos elétricos 1.1 DC Motors Primeiros veículos elétricos (VEs) motores DC frequentemente usados devido aos seus mecanismos de controle simples e baixo custo. Os tipos mais comuns incluem motores CC excitados separadamente e motores CC enrolados em série.. No entanto, a presença de comutador e escovas leva ao desgaste mecânico, exigindo manutenção regular. Esses componentes […]
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. No entanto, behind the rapid development, the comments on electric vehicles have always been mixed. Por exemplo, 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 […]








