KEB COMBIVERT F6 Series

81
WATER-COOLED DEVICES
5.1.7 Coolant heating with water
Volumeowdependingonthetotalpowerdissipationandtemperaturedi󰀨erencebe-
tweenforwardowandreturnow.
0
1
2
3
4
5
6
7
8
9
1
0
4 5 6 7 8 9 10
①
②
③
32
1
④
ΔT / K
PD_ges
1)
/ kW
Legend
Working area
①
5 l/min
②
10 l/min
③
12.5 l/min
④
15 l/min
Figure 33: Volume ow depending on the total power dissipation PD_ges and temperature dierence with
water-glycol mixture
1)
PD_ges can be higher than the power dissipation PD at rated operation due to overload, higher switching
frequency or sub-mounted braking resistores.
Theminimumvolumeowdependsonthepowerdissipation.