高效电机（High Efficiency Motor）是指效率较高的电机，其效率应该满足相关的能效等级要求。
【小知识】高效电机（high efficiency motor）是指通用标准型电动机具有高效率的电机。 高效电机从设计、材料和工艺上采取措施，例如采用合理的定、转子槽数、风扇参数和正弦绕...
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研究了保护气氛对高效电机用无取向电工钢消除应力退火后磁性能的影响。
The effects of protective atmosphere on magnetic properties of non-oriented silicon steel for high-efficiency motors after stress relief annealing are investigated.
试验结果表明，该方法简便易行，成本较低，符合高效电机测试规范的要求。
The experiment results show that this method is easy-using and cost less, accords with the High Efficiency Motors testing criterion and it is valuable for application.
而高效电机既提高了效率，又大幅地提高了功率因素，使整个系统都非常节能。
While high efficiency motors have higher efficiency and highly improved the power factor, and make all system saving energy.
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