52 - PVD3627-August 2011
3.5.3.
MGV servomotors are cooled by water. An anti-corrosion product must be mixed to
the water. The main characteristics of cooling are given in the table bellow:
Motor cooling circuit data
Motor
Average flow
necessary
for cooling
(water : 75%
minimum)
Maxi drop
pressure
@
nominal
water flow
Motor power
losses at max
speed and
continuous
operation
Maximum
inlet cooling
temperature
Maximum
outlet cooling
temperature
L/min
Bars
kW
°C
°C
MGV420
2
0.114
0,75
25
31
MGV430
3
0.328
1,1
25
31
MGV620
3
0.064
1,2
25
31
MGV635
5
0.231
1,8
25
31
MGV820
5
0.163
1,7
25
31
MGV840
10
1.002
5
25
32
MGV930
10
0.390
4
25
31
MGV950
16
1.464
6,4
25
31
MGV970
22
2.678
12
25
32
MGVA30
18
0.568
6
25
30
MCVA50
25
1.649
10
25
31
3.5.4.
Chiller must be able to evacuate motor power loss (see table above).
Chiller selection
Chiller pump must provide water flow through motor and pipe pressure drop.
Inlet temperature must be inferior to 25°C.
You can find various chillers solutions in Parker Hiross -PASCAL TANCHAUD
Contact:
Cooling Technology Manager
pascal.tanchaud@parker.com
