作者: Michael Timmann , Jochen Weeber , Hans Braun , Ralf Korber
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摘要: The present invention relates to control of a fan during which the power is determined from characteristic curves motor, operating parameters cooling system and reference variables are predefined in form temperature levels. various levels be set have different associated for actuating motor. If variable changes, this also means change In order prevent motor whining, operation kept constant settable minimum waiting time when changes. During time, can, if appropriate, adapted by other mechanisms independent new such an extent that it no longer necessary take measures with respect whining