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Ideal Applications for Brushless DC Motors

 We’ve seen that brushless dc motor for sale offer high efficiency and controllability, and that they have a long operating life. So what are they good for? Because of their efficiency and longevity, they are widely used in devices that run continuously. They have long been used in washing machines, air conditioners, and other consumer electronics; and more recently, they are appearing in fans, where their high efficiency has contributed to a significant reduction in power consumption. They are also being used to drive vacuum machines. In one case, a change in the control program resulted in a large jump in rotational speed—an example of the superlative controllability offered by these motors that are also being used to spin hard disc drives, where their durability keeps the drives operating dependably over the long term, while their power efficiency contributes to energy reduction in an area where this is becoming increasingly important.

brushless dc motor for sale

 

Brushless dc motors’ toward wider usage in the future

 

We can expect to see brushless dc motor for sale used in a wider range of applications in the future. For example, they will probably be widely used to drive service robots—small robots that deliver services in fields other than manufacturing. One might think that stepper motors would be more suitable in this type of application, where pulses could be used to precisely control positioning. But brushless dc motor is better suited to controlling the force. And with a stepper motor for sale which is holding the position of a structure such as a robot arm would require a relatively large and continuous current. With a brushless dc motor for sale, all that would be required is a current proportionate to the external force—allowing for more power-efficient control. The only disadvantage of a brushless motor is its higher initial cost, but you can often recover that cost through the greater efficiency over the life of the motor. Electric motors are everywhere! In your house, almost every mechanical movement that you see around you is caused by an ac (alternating current) or dc (direct current) electric motor.

An el­ectric motor is all about magnets and magnetism: A stepper motor uses magnets to create motion. If you have ever played with magnets you know about the fundamental law of all magnets: Opposites attract and likes repel. So if you have two bar magnets with their ends marked "north" and "south," then the north end of one magnet will attract the south end of the other. On the other hand, the north end of one magnet will repel the north end of the other (and similarly, south will repel south). Inside an electric motor, these attracting and repelling forces create rotational motion. The motor being dissected here is a simple electric motor that you would typically find in a toy.


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