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Showing Results For: DC Brushless Fans (BLDC)
DC Brushless Fans (BLDC) are designed to convert electrical energy to mechanical motion by inducing air movement powered by a DC power source. They operate through an integrated brushless motor with a cross pattern configuration of four permanent magnets mounted on the rotor sides. These fans do not require any brushes to operate and are highly reliable, durable, and energy efficient. Furthermore, they efficiently reach their full potential and operate noiselessly. In addition, the fan’s speed is controlled merely by fluctuating the voltage input.
A brushless motor is devoid of carbon brushes, armatures, ring magnets, and commutators designed to convert electric current into rotational motion. These brushless motors, also known as BLDC motors, offer various advantages, including a higher power-to-weight ratio, higher speed potential, and electronic control. In addition, due to the lack of integrated mechanical devices, they are durable, smooth-performing, and lightweight fans, contributing to reduced cost and potential weight problems.
Brushless DC fans are grouped into two categories: BLDC fans with sensor motors and BLDC fans with Sensor-less motors.
These fans are provided with a sensor known as a half effect sensor, which helps in sensing the magnet’s position.
These fans are equipped with back EMF, ideal for detecting the magnet’s position.
BLDC fans have various unique features and advantages, including:
They are widely used in: