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BLDC Motor

Views: 4     Author: Site Editor     Publish Time: 2019-06-17      Origin: Site


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Brushless motors (BLDC) are becoming more and more popular in our everyday applications such as HVAC, electric vehicles, white goods and industrial applications. It helps electronic devices to be more reliable and durable.

· The first major advantage of brushless motors is efficiency. Because the brushless motor can continuously rotate under its maximum rotational force (torque). In contrast, brushed motors can only provide maximum torque at certain points of rotation. Although a brushed motor can provide the same torque as a brushless motor, a brushed motor requires more magnetism, which means that a smaller size brushless motor can provide considerable power.

Another advantage of the brushless motor is controllability. A feedback system can be used to control the brushless motor to provide the required torque and speed. If the brushless motor is powered by a battery, this precise control can reduce energy consumption and heat loss, helping to extend battery life.

• Brushless motors without brushes provide high durability and low electrical noise. For brushed motors, the brushes and commutators wear out due to continuous moving contact and may create sparks when in contact. In particular, these sparks are typically generated when the brush passes through the gap in the commutator, which can cause electrical noise. Brushless motors are preferred if the motor design is to take into account electrical noise.

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