| 起重机起升最优弱磁控制方法 |
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| 引用本文： | 叶飞. 起重机起升最优弱磁控制方法[J]. 自动化博览, 2020, 0(5): 80-83 |
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| 作者姓名： | 叶飞 |
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| 作者单位： | 西门子（中国）有限公司上海分公司 |
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| 摘 要： | 在起重机起升机构运行中,由于起吊重物重量不尽相同,如果电机速度控制在额定速度以下运行,尽管安全可靠,但作业效率较低。采用弱磁调试控制可以提高电机的利用率和作业效率。最优弱磁控制方法是通过计算起吊重物重量并以电机在该负载下最大的安全速度运行,以最大限度提高作业效率。
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| 关 键 词： | 最优弱磁控制 恒功率 理论计算 工程计算 |
The Optimal Flux-weakening Control Method for Crane Hoist |
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| Abstract: | In the operation of the hoisting mechanism of crane,because the lifting weight is different every time,if the motor run as below the rated speed,although it is safe and reliable,the efficiency is low.Fluxweakening control can improve the utilization rate and efficiency of the motor.The optimal flux-weakening control method is to calculate the weight of the lifting heavy objects and run the motor at the maximum safe speed under the load so as to maximize efficiency. |
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| Keywords: | Flux-weakening control Constant power Theoretical calculation Engineering calculation |
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