The superiority of brushless dc motor
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The superiority of brushless dc motor

Views: 0     Author: Site Editor     Publish Time: 2020-12-09      Origin: Site

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Dc motor has a rapid response, large starting torque, rotating speed of from zero to rated speed can provide the rated torque performance, but the advantages of dc motor is also its drawback, because the direct current machine to produce a constant torque under the rated load performance, the armature magnetic field and rotor magnetic field must be constant to maintain 90 & deg; This is about to borrow from the carbon brush and commutator. Carbon brush and commutator motor rotation would produce sparks, carbon powder, so besides can cause damage of components, its usage is restricted. Ac motor without carbon brush and commutator, free maintenance, strong, wide application, but if you want to achieve the equivalent of dc motor according to the characteristic performance must use complex control technology to achieve. Nowadays the rapid development of the semiconductor component switching power frequency to speed up the many, improve the performance of the drive motor. Microprocessor is also more and more fast, which can realize the two ac motor control on a turning shaft in the rectangular coordinates system, appropriate control of ac motor current component in two axis, similar to dc motor control and the performance of the dc motor is quite. Also has a lot of microprocessor control motor required functionality in the chip, and volume smaller and smaller; As the analog to digital converter (模拟,-数字转换器adc)And pulse width modulation (脉宽调制器,pwm)…And so on. Brushless dc motor which is electrically control ac motor commutation, similar dc motor features and without dc motor institutions lack a kind of application. For more details, please visit: WWW. bohongmotor。 Com
the main products: stepper motor, brushless motor, servo motor, stepping motor drive, brake motor, linear motor and other kinds of models of the stepper motor, welcome to inquire. Telephone:


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