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Advantages of Brushed Motor vs. BLDC Motor
Essentially, electric motors are designed to convert electrical energy into mechanical energy, to be specific, the rotational motion of some shaft known as the rotor. The two most common motor designs include brushless and brushed motors. Today we’re going to discuss the benefits of brushless motors as compared to their brushed counterparts.
Difference Between Brushless DC Motor and Servo Motor
A Brushless servo motor is small in size, light in weight, high in force, fast response, high speed, small inertia, smooth rotation, and stable torque. The control is complex and easy to realize intelligence, and its electronic phase change is flexible and can be sine wave phase change.
How to Calculate the KV Value of Brushless Motor?
Both motor KV and the number of poles are related to the speed/RPM of the motor. We know that as the RPM increases, the KV value also increases. Alternatively, a higher number of poles corresponds to a motor running at a lower RPM. Therefore, the relationship between the number of motor poles and the KV value is inversely proportional. This makes sense when we actually consider it.
Brushless DC Motor Troubleshooting
With the more and more widespread use of DC brushless motors, its performance has also improved to a certain extent. However, various failures will also be encountered in the process of using the BLDC motor, among which the inability to start the device is one of the most common problems.
What is Electronic Speed Control (ESC)?
At present, we can observe the electric motors' speed control all over modern society. So, the list of speed control mainly includes an extensive range of machines which ranges from basic electrical appliances used in a household like in the garage, or garden to large industrial plants through pumps, machine tools, conveyor belts, etc. So we can notice how important and necessary this speed control technique is for several electrical machines. We cannot perform longer without an efficient method to control speed. So, the electronic speed control method is used to control the machinery as well as motor rotational speed. Next, we will discuss electronic speed control for motors, drones, vehicles, etc.
How does an ESC Work?
An electronic speed control (ESC) is an electronic circuit that controls and regulates the speed of an electric motor. It may also provide reversing of the motor and dynamic braking. The electronic speed controller is an essential part of an electric propulsion system's hardware. It acts like the brain of the system by telling the motor how fast to go based on data signals it receives from the throttle controller.
How to Use Potentiometer to Control BLDC Motor Speed?
As a power source for all kinds of machinery, motors are used in a wide range of applications, from heavy industry to small toys. In daily use, it is necessary to adjust the speed of the forward and reverse rotation of the motor. The following describes the use of potentiometers to control the speed of brushless DC motors.
How to Wind a Brushless Motor Stator?
The stator of a brushless motor is the part that generates the rotating magnetic field and can support the rotor to rotate. It mainly consists of a silicon steel sheet, enameled wire, bearing, bracket, etc.; the rotor can support rotor rotation under the action of the stator rotating magnetic field, and the parts mainly consist of the rotor shaft, magnet, bracket, etc. In addition, the number of pole pairs formed by the stator and rotor will also affect the speed and torque of the motor.
How Does a BLDC Motor Rotate Forward and Reverse?
The power supply of the DC brushless motor is connected to the brushless motor through the controller so that the DC brushless motor runs in one direction. Looking at the direction of the motor shaft extension, the motor shaft rotates clockwise is called forward rotation, and counterclockwise rotation is called reverse rotation. The following is explain how to wire a controller to reverse a BLDC motor.
Why BLDC Motor is Used in Electric Vehicle?
Electric vehicles are not new to the world, but technological advancements and a growing focus on pollution control have branded them the mobility of the future. Various types of electric motors are used in electric vehicles, including brushless DC motors, permanent magnet synchronous motors (PMSM), and three-phase AC induction motors. Among these motors, you may have heard of BLDC motors which are very popular in electric vehicles.