System for cooling electrical appliance in fiber web machine system, has cooling unit which conveys medium from medium line for cooling the electrical device, in which working medium is lubricating oil for use object

摘要

The system (10) has an electrical device (12) and medium lines (16) for supplying medium to the use object (14) in the fiber web machine. A cooling unit (22) is provided for conveying the medium from the medium line on or in the electrical device for the purpose of cooling the electrical device with the medium. The working medium is lubricating oil for the use object in the fiber web machine. The cooling unit has connecting lines (28) for guiding lubrication oil from the medium line in or on electrical apparatus and back into the medium line.