【摘要】 伴随全球“双碳”战略的深入推进，新能源汽车产业发展迅猛，高牌号无取向硅钢的需求量也随之增长。新能源汽车的设计装配及复杂工况要求驱动电机具备高效率、大转矩、小体积及宽转速范围等特性。基于新能源汽车的行驶特点，其驱动电机对高牌号无取向硅钢的核心要求包括高磁感、高频低铁损、高强度，以及优良的力学性能、良好的冲片性、钢板表面光滑平整且厚度均匀、绝缘薄膜性能优良及磁时效现象微弱等。更多还原

【Abstract】 With the in-depth advancement of the global " dual-carbon" strategy,the new energy vehicle(NEV)industry has developed rapidly,and the demand for high-grade non-oriented silicon steel has also increased accordingly.The design,assembly,and complex operating conditions of NEVs require drive motors to possess characteristics such as high efficiency,high torque,small size,and a wide speed range.Based on the driving characteristics of NEVs,the core requirements of their drive motors for high-grade non-oriented silicon steel include high magnetic induction,low iron loss at high frequencies,and high strength.Additionally,other general requirements encompass excellent mechanical properties,good punching performance,a smooth and flat surface of the steel sheet with uniform thickness,excellent performance of the insulating film,and a weak magnetic aging phenomenon.更多还原