词语大全 機械換向的英文
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词语大全 機械換向的英文
The permanent mag brushless dc motor is a dc motor using electronic mutation in place of mechanical mutation in fact , so it has excellent characteristics of dc motors , for example good start and timing performance . it simppfies the motor \' s structure and overes the friction disadvantages of ordinary dc motor because it does n \' t use mechanical mutation . it is extensively used in aviations , robots , digital machine tool and so on
永磁無刷直流電動機實際上是以電子換向代替機械換向的直流電動機，因而保持了直流電動機的優良特性，具有較好的起動和調速性能，又因它無需機械換向器使電機的結構簡單，可以從根本上克服一般有刷直流電動機易于產生換向火花的弊病，在航天、機器人、數控機床等許多工業領域已得到廣泛應用。
Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and epminates the undesirable effects of mutation such as sparks , brush - loss , radio - frequency interference , etc . 2 ) the low inertia of the rotor enhances the quapty of the mechanical response of the motor , shortening the acceleration and deceleration time . 3 ) utipzing rare - earth permanent mag materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size . 4 ) because of the absence of mutation segments , the stator construction is simple
現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因： ( 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由于換向帶來的火花、電刷損耗以及無線電干擾等等； ( 2 )低轉動慣量的轉子提高了電機機械響應的質量，從而縮短了電機加速和減速的時間； ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高； ( 4 )由于沒有機械換向部分定子的結構簡單了。
Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and epminates the undesirable effects of mutation such as sparks , brush - loss , radio - frequency interference , etc . 2 ) the low inertia of the rotor enhances the quapty of the mechanical response of the motor , shortening the acceleration and deceleration time . 3 ) utipzing rare - earth permanent mag materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size . 4 ) because of the absence of mutation segments , the stator construction is simple
現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因： 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由于換向帶來的火花、電刷損耗以及無線電干擾等等； 2 )低轉動慣量的轉子提高了電機機械響應的質量，從而縮短了電機加速和減速的時間； 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高； 4 )由于沒有機械換向部分，定子的結構簡單了。
The permanent mag brushless dc motor is a dc motor using electronic munication in place of mechanical munication in fact , so it has excellent characteristic of dc motors , for example good start and timing performance . it simppfies the motor \' s structure and overes the friction disadvantages of ordinary dc motor because it does n \' t use mechanical munication . it is extensively used in aviations , robots , digital machine tool and so on
永磁無刷直流電動機實際上是以電子換向代替機械換向的直流電動機，因而保持了直流電動機的優良特性，具有較好的起動和調速性能，又因它無需機械換向器使電機的結構簡單，可以從根本上克服一般有刷直流電動機易于產生換向火花的弊病，在航天、機器人、數控機床等許多工業領域已得到廣泛應用。
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