Installing/Mounting
3.2 Power losses and air cooling requirements
Power Module PM330
22 Hardware Installation Manual, 12/2018, A5E32844552B AF
6. Avoid possible short-circuits in the airflow (= air circulates within the cabinet) by using the
appropriate partitions, e.g. by using an air discharge duct up to the roof panel (see
position
① in the following diagram).
When converter cabinets are lined up next to one another, then these cabinets must be
separated from the adjacent cabinets using intermediate walls or panels.
Figure 3-1 Example of an air discharge duct
7. Ensure that the electrical cabinet is adequately ventilated and is equipped with suitable
air filters.
It is crucial that you comply with the replacement intervals of the air filter (see also
Chapter Service and maintenance (Page 63).
The power losses and the required cooling airflow of the Power Modules are specified in
Chapter Specific technical data (Page 87).
The values are valid for:
● Rated output current
● 50 Hz output frequency
● 2 kHz pulse frequency
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