• 1. motor efficiency: 电动机效率 | 发动机效率电动机效率 | 发动机效率
• 2. Motor efficiency test: 马达效率测试
• 3. high efficiency motor: 高效电机

更多释义

• 1.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。
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• 2.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。
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• 3.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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