Abstrak dengan kemajuan pesat kenderaan tenaga baru (Nev) teknologi, Keselamatan dan kebolehpercayaan sistem kuasa elektrik telah menjadi kebimbangan kritikal. Makalah ini meneroka mekanisme perlindungan litar di NEVS, termasuk sistem pengurusan bateri (BMS), talian penghantaran kuasa, Pengurusan Kuasa, pengawal motor, dan litar DC voltan tinggi. Dengan menganalisis pelbagai strategi perlindungan seperti 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, julat, and overall driving experience of an EV. Unlike traditional internal combustion engine (ICE) […]
Introduction With the rapid development of the electric vehicle industry, the electric drive system sector has also made significant progress. Product technology continues to improve, the scale of industrial development is expanding, and new materials and processes are emerging. The trend of integration is becoming more evident. Due to the complexity of electric vehicle driving […]
Dalam beberapa tahun kebelakangan ini, dengan sokongan yang kuat dari dasar kebangsaan, Industri kenderaan elektrik tulen telah berkembang pesat. Pengguna kenderaan bahan api tradisional sedang beralih kepada pengguna NEV, Dan sebagai kemajuan teknologi produk, pengguna’ Tabiat dan kesedaran operasi juga harus bertambah baik. Lagipun, Kenderaan elektrik tulen masih merupakan produk yang agak baru bagi banyak pengguna. Dengan […]
1. Electric Vehicle Drive Motors 1.1 DC Motors Early electric vehicles (Evs) 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. Walau bagaimanapun, 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. Walau bagaimanapun, behind the rapid development, the comments on electric vehicles have always been mixed. Contohnya, 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 […]