
POWER ELECTRONICS
SD700FL SERIES
MECHANICAL INSTALLATION
25
5.4.2.
Cooling system for the SD700FL corresponding to the filter side.
The Freemaq filters are individual cabinets. Inside the cabinets, the inductances and capacitors
generate heat, so each cabinet presents an independent cooling system.
In frame 1 filters, an axial fan installed in the bottom part of the cabinet blows the fresh air through
the hottest components. The air circulates inside the module to the top part and a grating
evacuates it.
Figure 5.7 Cooling airflow for SD700FL. Frame 1 (Filter’s cooling)
In frame 2 to 4 filters, the cabinets integrate air inlet gratings in the front part. Behind them are
placed axial fans that allow blowing the fresh air to the hottest components. The air circulates
inside the module to both sides, where some gratings evacuate it. In frames 2 and 3, there are 3
fans and in frame 4 there are 6 fans.
Figure 5.8 Cooling airflow for SD700FL. Frames
2 to 4 (Filter’s cooling)
Содержание SD700FL Series
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