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Delta Product News

3-Phase Brushless DC Motor Fans

Data center and server cooling fans demand high energy efficiency and low rotating vibration to achieve thermal requirements and operating performance. Delta's 3-Phase Brushless DC Motor Fans, powered by 3-Phase motors, provide smoother transition between slots compared to single-phase motor fans. The benefits of 3-Phase motors include low cogging torque, low vibration disturbance, smooth rotational torque, and high power efficiency.

There are 3 core technoligies implemented with the Delta 3-Phase Brushless DC motor fans, blade design, advanced motors and electrical drives, and also an enhanced structure to prevent vibration.

Features & Benefits:

  • Optimized blade design for high efficiency
    • Delta is constantly studying the CFD analysis and Delta's own airflow section software. We assess every aspect of the fan's airflow path to minimize the vortex which delivers a more efficient product. Delta continues to develop innovative cooling solutions in optimizing our fan's blade design to increase the aerodynamics for maximum energy efficiency and lower vibration.

     

  • Powered by 3-Phase motors and advanced electrical drives
    • Well-known operational control circuit for motor driving availability can serve to evaluate the motor back electromotive force impact of efficiency and vibration. Delta develops precisely 3 phase motor driving technology to control fan rotation with minimum back electromotive and switching noise.

     

  • Enhanced structure to achieve low vibration
    • Well-known operational control circuit for motor driving availability can serve to evaluate the motor back electromotive force impact of efficiency and vibration. Delta develops precisely 3 phase motor driving technology to control fan rotation with minimum back electromotive and switching noise.

See also:

3-Phase Brushless DC Motor Fan Overview and Part Number List (.pdf) for more product information, specifications, applications and ordering information.


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