YR80.242 Datasheet, PDF (5/17 Pages) PULS GmbH – DUAL REDUNDANCY MODULE

Y-Series
YR80.242
12-28V, 80A, DUAL REDUNDANCY MODULE
4. POWER LOSSES
Power losses
Standby power losses
DC 12V DC 24V
typ.
2.8W
2.9W
input: 2x20A
typ.
11.7W
11.8W input: 2x40A
typ.
4.6W
4.7W
input: 1x40A,
(only one input is connected to input voltage)
typ.
0.07W
0.15W at no output current,
(only one input is connected to input voltage)
typ.
0.15W
0.22W at no output current,
(both inputs are connected to input voltages)
Fig. 4-1 Power losses when both inputs draw equal current
(typical n+1 or 1+1 redundant case, when the power supplies are set into “parallel use” mode)
Power Losses, typ.
12W
10
A... 25°C
B... 60°C
8
BA
QS40
24V,40A
+
set to
24.5V
-
I1
A
V _U1
YR80.242
Input 1
Output
Output
IOUT
A
UOUT ^V
Variable
Load,
0-80A
6
4
2
Output Current
0
0 10 20 30 40 50 60 70 80A
QS40
24V,40A
+
set to
24.5V
-
I2
A
V _U2
Input 2
I1 = I2
U1 = U2
Losses = ( U1* I1 + U2* I2 ) - UOUT* IOUT
Power Losses, typ.
5W
4 _{A... 25°C}
B... 60°C
3
Fig. 4-2 Power losses when only one input is used
BA
QS40
24V,40A
+
-
I1
A
V _U1
YR80.242
Input 1
Output
Output
IOUT
A
UOUT ^V
Variable
Load,
0-40A
2
1
Output Current
0
0 5 10 15 20 25 30 35 40A
Input 2
Losses = U1* I1 - UOUT* IOUT
Apr. 2014 / Rev. 1.1 DS-YR80.242-EN
All parameters are specified at 24V, 80A output current, 25°C ambient and after a 5 minutes run-in time unless otherwise noted
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