Core losses in an electrical machine vary depending on the type of material, frequency of
operation, and flux density magnitude and waveform. Loss prediction using pulsating …

轮毂电机的效率和稳定性对新能源汽车的品质起着决定性的作用. 轮毂电机工作空间紧凑,
温升直接决定着轮毂电机的工作效率及寿命, 因此研究轮毂电机的散热能力至关重要. 以75 kW …

电动汽车驱动电机作为电动汽车的核心部件, 其温升问题直接影响着电动汽车的稳定性以及安全
性, 因此选择合适的热分析模型和冷却结构在电动汽车驱动电机的设计过程中有着非常重要的 …

Hub motor is the core component of new energy vehicle, its efficiency and stability play a
decisive role in the quality of the vehicle. The working space of in-wheel motor is compact …

以一台5. 5 kW, 12/8 结构开关磁阻电机做为研究对象, 结合转速电流双闭环驱动电路,
建立二维瞬态电磁场-控制电路耦合计算模型, 基于电磁场理论, 采用时步有限元法 …

Recent years have proven the benefits of electrifying the road bound vehicle fleet. With new
components entering, the general understanding as well as the components as such needs …

The temperature effect on thermal resistance of power modules is studied in this paper by a
thermal model considering the effect. Simulation Results indicate that the temperature effect …

Accurate estimation of core losses in hydro generators is invaluable as it has implications of
monetary value to both machine designers and utilities. For machine designers to meet the …

This thesis deals with issues regarding energy efficiency of building related pump andfan
drive systems. Different Induction Motor (IM) and permanent magnet motor drivesystems are …

This paper presents analysis of the influence of design choices on the performance of an
interior permanent magnet synchronous machine with concentrated winding designed to …