Instructions For Mounting The Pqf-Manager In Enclosures - ABB PQFS Installation, Operation And Maintenance Instructions

The hot exhaust air also has to be properly ducted away.
flow diagram for a single unit PQFS.
When the natural cooling capacity at the location where the filter is installed is not
sufficient, air conditioning systems have to be installed to the room. In the design of the
air conditioning systems, the filter heat losses have to be taken into account.
gives an overview of the PQFS heat losses for the different power units. For multi-unit
filters, the values of
5.7

Instructions for mounting the PQF-Manager in enclosures

The PQF-Manager user interface is mounted on to the front panel. In case it needs to be
relocated to another enclosure, follow the guidelines presented next
Figure 26: Cooling air flow for a single unit PQFS
Table 15 have to be multiplied by the number of filter units.
Table 15: Filter unit heat losses (maximum values)
Unit rating (Arms)
30
45
60
70
80
90
100
Manual Power Quality Filter PQFS ç Mechanical design and installation 33
Figure 26 shows the cooling air
Heat loss (kW)
1.5
1.8
2.1
2.6
2.9
3.2
3.5
(Figure
Table 15
27)