Posted to News on 3rd Jul 2007, 16:37
Water cooling increases frequency drive performance
Frequency drive applications are increasingly demanding more power, yet they are also being required to operate in smaller spaces and at higher ambient temperatures. Because forced-air cooling is not capable of meeting these challenging requirements, REO is now offering drive system components suitable for water-cooled installations.
REO products with this new flexibility include the company's braking resistors, mains filters and motor chokes. By using water-cooling it is possible to increase the power ratings of braking resistors by four to five times and inductive components by two times.
The water-cooled option is available in two forms across the range of components: one version with optimised base plates is suitable for mounting on common cooling manifolds and is used for multiple component assemblies; and the other features integral water-cooling circuits and pipe connections.
Operating coolant system pressure for component-integral cooling systems is 4bar (tested to 10bar) and ingress protection is IP64.
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