| 陈立群，王海荣.温度对电动自行车用电机空载转速的影响[J].轻工机械,2014,32(2): |
| 温度对电动自行车用电机空载转速的影响 |
| Influence of Temperature on the No-load Speed of Motors Used in Electric Bicycle |
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| DOI：IO. 3969/j. issn. 1005 -2895. 2014. 02. 015 |
| 中文关键词: 无刷直流电机 空载转速 温度 钕铁硼 |
| 英文关键词:brushless DC motor no-load speed temperature Nd-Fe-B magnet |
| 基金项目: |
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| 中文摘要: |
| 整车厂经常以电机的空载转速是否满足要求作为产品测试和进料检验的重要的接受标准，因此，对电机空载转
速与温度变化关系的研究是十分必要的。目前，电动自行车驱动用电机主要以永磁无刷直流电机为主，相对于电励磁的
电机，温度对永磁电机的影响更为明显。针对不同温度下的电机空载转速特性，分析计算永磁无刷直流电机空载转速与
温度变化的关系；并进行实验验证，实测值与分析计算结果具有良好的一致性。研究结果表明：随着温度的升高，电动自
行车用无刷直流电机的空载转速逐渐升高。该研究结论对电动自行车永磁无刷直流电机的设计、研究以及电动自行车
的生产具有参考指导意义。 |
| 英文摘要: |
| OEMs often use whether no-load speed of motor meets the requirements for product testing and incoming
inspection as the important acceptance criteria. therefore it is necessary to study the relationship between no-load speed
of the motor and temperature. Now the motors driving for electrical bicycle are permanent magnet brushless DC motors
primarily, and the influence of temperature on the permanent magnet motors is more apparent compared with the
electrically excited motor. The influence on no-load speed of the motor under different temperature was studied based on
the method of calculating no-load speed in the motor. The calculated results kept good concordance with the
experimental results. The research result shows that no-load speed of the permanent magnet brushless DC motor
mcreases with the temperature increasing. The conclusions have reference and guide significance for researchers and
engineers engaging the motor design. |
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