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mechanical commutation
相关语句
  机械换向
     The phase current of BLDCM, with replacement of mechanical commutation by the use of electrical commutation, can be approximate to square-wave as the traditional DCM; and can also be a sine one. Both of them belong to BLDCM with the characteristics of DCM.
     采用电子换向取代机械换向的 BL DCM,绕组电流除了与传统的 DCM一样接近方波以外 ,还可以是正弦波 ,都是有 DCM的特性 ,都属于 BL DCM。
短句来源
  相似匹配句对
     and mechanical refrigerator.
     机械制冷机。
短句来源
     Mechanical English
     机械英语第一课
短句来源
     RESEARCH ON THE MECHANICAL CHARACTERISTIC OF BRUSHLESS DC MOTORS BASED ON THE ANALYSIS OF PHASE COMMUTATION
     基于换相过程分析的无刷直流电动机机械特性的研究
短句来源
     IGCT commutation mechanism
     IGCT的换流机理
短句来源
     On the Operation of the Power of Commutation
     也谈减刑权的运作
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  mechanical commutation
This work starts by generalizing in a gravitational field the fundamental quantum mechanical commutation relations between the coordinates of a charged test particle and its momentum.
      
the search for quantum mechanical commutation relations consistent with the Heisenberg evolution equations of a given form is studied.
      
the search for quantum mechanical commutation relations consistent with the Heisenberg evolution equations of a given form is studied.
      
Arduous duty cycles promote wear, and the mechanical commutation limits top speed.
      


The phase current of BLDCM, with replacement of mechanical commutation by the use of electrical commutation, can be approximate to square-wave as the traditional DCM; and can also be a sine one. Both of them belong to BLDCM with the characteristics of DCM.Although these two types of driving style are almost with the same mechanical and torque characteristics, the stability, the velocity modulating range and noise are quite different. The sine-wave drive system is much better than the square-wave...

The phase current of BLDCM, with replacement of mechanical commutation by the use of electrical commutation, can be approximate to square-wave as the traditional DCM; and can also be a sine one. Both of them belong to BLDCM with the characteristics of DCM.Although these two types of driving style are almost with the same mechanical and torque characteristics, the stability, the velocity modulating range and noise are quite different. The sine-wave drive system is much better than the square-wave one. By far the sine-wave drive system is mostly used to the higher requirement application and with a higher price, with can not be a barrier of the sine-wave drive representing the important developing orientation of BLDCM.

采用电子换向取代机械换向的 BL DCM,绕组电流除了与传统的 DCM一样接近方波以外 ,还可以是正弦波 ,都是有 DCM的特性 ,都属于 BL DCM。二种驱动方式的机械特性和转矩特性相接近 ,但运行平衡性、调速范围和噪声等则很不一样。正弦波驱动要好得多。目前正弦波驱动 BL DCM多用于要求高的伺服系统 ,价格甚高 ,这不会影响正弦波驱动应是 BL DCM的重要发展方向。

 
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