PMD1212PTB3-A.(2).GN

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DC fans, also called constant current fans, are widely used in eletronic equipment. PMD 1212PTB3-A.(2).GN is one of the most commonly used models among these fans. This model combines a high-efficiency motor, precision gearbox and a sophisticated speed control circuit, allowing for reliable long-term operation. It has superior durability and very low noise.

The major application field of PMD 1212PTB3-A.(2).GN is in industrial equipment, such as medical vacuum pumps, pumps for water treatment and industrial manufacturing. It is also often used in computer systems, air conditioners, refrigerators and other electronic appliances. Moreover, due to its great stability, the motor has been used in specialized engineering, such as military applications.

The working principle of this model is based on the concept of brushless electric motor. This motor has three main components: stator, rotor, and controller. The stator is a ring-shaped electromagnet made of several windings of wire, which when energized creates a field that creates a rotating force in the rotor. The rotor consists of several magnets arranged around the circumference of a disc, each with opposite polarity from the adjacent magnets. The rotor is driven by the stator\'s rotating magnetic field and drives connect to the fan blades.

The speed of this fan is regulated by controlling the current sent to the stator, thus controlling the speed of the rotor. This is done by a controller, which includes a PWM (pulse width modulation) signal generator, a voltage regulator, and a current sensor. The PWM signal generator will output a varying voltage frequency based on the user’s input. This signal then is regulated by the voltage regulator before being sent to the stator, controlling the speed of the rotor and thus the rpm (rotations per minute) of the fan blades, and ultimately the fan\'s output speed.

The PMD 1212PTB3-A.(2).GN is a reliable and efficient DC fan. With its superior durability and low noise, it is ideal for industrial use as well as for consumer and military applications. Additionally, its precise speed control enables it to provide a reliable long-term operation, making it the perfect choice for industrial equipment and other electronic applications.

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