OD4015-12MBXC02A

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DC fans, such as the OD4015-12MBXC02A, are electric fans, powered by a direct current (DC) instead of an alternating current (AC). DC fans provide precise speed control, enabling them to maximize performance in specific application areas. This article explores the application field and working principles of the OD4015-12MBXC02A.

Applications

The OD4015-12MBXC02A is a DC axial fan designed for industrial and commercial use. It has a maximum fan speed of 4,500 RPM, and a power rating of 6.6 watts. It is ideal for applications that require high airflow, such as in large-scale industrial cooling systems, or commercial HVAC systems. It is also commonly used in automotive and computer cooling systems, given its compact size and efficient motor.

Electromagnetic Fans

The OD4015-12MBXC02A is an electromagnetic fan, meaning it runs on a magnetic field instead of an electrical field. When an electric current is supplied to the fan, alternating magnetic fields are created in the stator (the non-moving portion of the fan) and the rotor (the moving portion). These alternating fields create an electromagnetic force, which propels the rotor. This force is also known as the Lorentz force, after the Dutch physicist who discovered it.

Working principles

The OD4015-12MBXC02A is an asynchronous fan, meaning it runs at a different speed than the supplied electrical current. When the electric current is supplied to the fan, the stator generates a rotating magnetic field. This field is then attracted to the rotor, causing it to rotate. As the rotor moves, it creates a flow of air, providing the cooling effect.

In order to control the speed of the fan, the electric current is regulated with a commutator, which is a rotating switch. This switch reverses the direction of the current, causing the rotor to continuously reverse direction. The speed of the fan is controlled by changing the duty cycle of the current, allowing for precise speed control.

Conclusion

The OD4015-12MBXC02A is a DC axial fan designed for industrial and commercial use. It is an electromagnetic fan, powered by a Lorentz force, and uses a commutator to control the speed. This makes it ideal for applications that require precise speed control and high airflow. Due to its compact size and efficient motor, it is also commonly used in automotive and computer cooling systems.

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