Which applications did you have in mind when developing the FanDrive DV280?
Specifically applications involving ventilation technology, cooling towers, or process cooling where large fans with impellers of up to two meters in diameter are required. These applications often still use AC motors in combination with variable frequency drives, transmissions, or belt drives. The new, robust FanDrive DV280 delivers a high torque of 180 Newton meters at an electrical input capacity of up to 24 kW, making it suitable for universal use on large fans.
Does such a large unit not also use a lot of power?
No, quite the opposite! Thanks to the state-of-the-art EC motor, the energy consumption and operating costs can be significantly reduced with the FanDrive DV280. That aspect is becoming increasingly important for operators. When the next stage of the Ecodesign Regulation for fans comes into force, if not before, many fans that are powered by an AC motor will no longer meet the minimum requirements for efficiency. When that happens, the right drive solution will be a high-performance EC external rotor motor that operates at high efficiency levels. In addition, EC fans are infinitely adjustable and work extremely efficiently even in partial-load operation.
Thanks to the state-of-the-art EC motor, the energy consumption and operating costs can be significantly reduced with the FanDrive DV280.
Replacing such large fans is often a problem because of the lack of space. Is it the same here?
We use an external rotor motor design, which allows for a much more compact unit than conventional internal rotor motors. This means that the entire fan unit requires less space, making transportation and installation much easier. For example, when combined with one of our centrifugal impellers, the motor is immersed in the impeller because it is mounted directly on the external rotor. Even large RadiPac fans in size 800 therefore easily fit through normal doors. These compact plug-and-play units are delivered fully assembled to the construction site and are easy to install.
Why is the integrated resonance detection function so important?
Fan failures are often caused by vibrations generated due to the installation conditions. By detecting this at an early stage, we can significantly improve operational reliability. That is why we have integrated a vibration sensor. During commissioning, our customers perform a test start-up during which the vibration levels over the entire speed curve are analyzed. If excessive vibration velocities are detected, the control software automatically avoids these speed ranges during operation.