...词：风机,电动机输入功率,电动机效率,风机单位风量耗功率,商榷, [gap=394]Keywords：fan,input power of motor,motor efficiency,fan power consumption per unit air volume,discussion, ..
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... combustion efficiency燃烧效率燃烧室效率 motor efficiency发动机效率电动机效率 building or space efficiency建筑物效率或空间效率 ...
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Motor efficiency test 马达效率测试
efficiency of asynchronous motor 异步电动机的效率
Motor system efficiency 电机系统能效
Motor Control Efficiency 电机控制效率
motor operating efficiency 电动机运行效率
YX2 high efficiency motor YX2型高效电动机
efficiency of motor 电机效率
Energy Efficiency Motor Program 高效率马达推动计划
IEEE standard is the most stringent standards are recognized around the world to measure motor efficiency criteria.
IEEE标准是目前最严格的标准，被全世界公认为衡量电机效率的评判标准。
But the step motor efficiency is low, the ability is not big, load drag pulse equivalent cannot too big, speed range is not big.
但步进电机的效率低，拖动负载的能力不大，脉冲当量不能太大，调速范围不大。
Increasing core length properly can raise motor efficiency and power factor, but it will reduce locked-rotor torque ratio and breakdown torque ratio.
适当增加铁心长度可以有效提高电机效率和功率因数，但会导致启动转矩倍数和最大转矩倍数减小。
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