Application Engineer | EBMPapst
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It is important to evaluate the environment the equipment is subjected to in order to select an appropriate controller. Open loop systems are better suited for applications where there is flexibility of operation, closed loop systems are generally preferred if a known set parameter needs to be maintained (e.g. 25°C at all times).
With the continuous improvement in technology, every new product strives to achieve better performance than its predecessor, whilst maintaining a compact design. This is challenging the fan manufacturers in the electronics industry, as they now need to dissipate ever higher heat levels in the same space as before.