Goals and Symptoms

What is the air flow of the fans necessary for the enclosure, in the catalog page 38, it appears up to 160kw, and what is needed is for powers from 200kw to 710kw high torque?

Causes and Fixes

From ATV 780C20Y to ATV 780C31Y -> air cooling: 2600m3/h
From ATV 780C35Y to ATV 780C50Y -> air cooling: 3900m3/h
From ATV 780C56Y to ATV 780C71Y -> air cooling: 5200m3/h