Abstract With the rapid advancement of new energy vehicle (Неволосый) технология, the safety and reliability of electrical power systems have become critical concerns. This paper explores circuit protection mechanisms in NEVs, including battery management systems (БМС), 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 (электромобили), 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 (Невз), electric drive motors have become one of the core components of electric vehicles (электромобили). The performance of these motors directly affects the efficiency, range, and overall driving experience of an EV. Unlike traditional internal combustion engine (ЛЕД) […]
Introduction With the rapid development of the electric vehicle industry, Сектор системы электрического привода также добился значительного прогресса. Технология продукта продолжает улучшаться, Масштаб промышленного развития расширяется, и появляются новые материалы и процессы. Тенденция интеграции становится все более очевидной. Due to the complexity of electric vehicle driving […]
В последние годы, при сильной поддержке национальной политики, the pure electric vehicle industry has developed rapidly. Традиционные пользователи топливных автомобилей переходят на пользователи NEV, И по мере продвижения технологии продукции, пользователи’ Операционные привычки и осведомленность также должны улучшить. После всего, Чистые электромобили по -прежнему являются относительно новым продуктом для многих потребителей. С […]
1. Electric Vehicle Drive Motors 1.1 DC Motors Early electric vehicles (электромобили) often used DC motors due to their simple control mechanisms and low cost. The most common types include separately excited DC motors and series-wound DC motors. Однако, the presence of a commutator and brushes leads to mechanical wear, requiring regular maintenance. These components […]
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. Однако, behind the rapid development, the comments on electric vehicles have always been mixed. Например, 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 […]