4.5.3
Temperatures, cooling, power dissipation, distances
Cooling and power dissipation data
Description
Symbol
Unit
HMU05.1N-
F0140-0350-
N-A4-D7-P
HMU05.1N-
F0170-0430-
N-A4-D7-P
HMU05.1N-
F0220-0510-
N-A4-D7-P
HMU05.1N-
F0270-0660-
N-A4-D7-P
Allowed mounting position
G1
Allowed switching frequencies
1)
f
s
kHz
2,4,8
Power dissipation at I
out_cont
= 0 A;
f
s
= f
s
(min.)
2)
P
Diss_0A_fs
min
W
230
250
270
320
Power dissipation at I
out_cont
= 0 A;
f
s
= f
s
(max.)
3)
P
Diss_0A_fs
max
W
300
325
350
400
Power dissipation at continuous
current and continuous DC bus
power respectively
4)
P
Diss_cont
W
2500.00
3000.00
4250.00
5500.00
Liquid cooling data
Power dissipation ratio (liquid)
with continuous current/continu‐
ous power
P
Diss_cont_
F
W
2100.0
2500.0
3500.0
4500.0
Coolant inlet temperature
T
in
°C
Less than 60
Required minimum coolant flow
for P
Diss_cont_F
Q
min
l/min
4
5
7
9
Temperature increase for Q
min
and P
Diss_cont_F
ΔT
K
Less than 10
Pressure drop for Q
min
Δp
bar
0.4
0.5
Maximum allowed operating pres‐
sure
p
max
bar
2.00
Coolant channel volume
V
ch
ml
609
667
724
Coolant channel material
Aluminum
Constant for determining pressure
drop
K
Δp
tbd
Air cooling data
Power dissipation ratio (air) with
continuous
current/continuous
power
P
Diss_cont_
A
W
400.0
500.0
750.0
1000.0
Ambient temperature range for
operation with nominal data
T
a_work
°C
0...40
Ambient temperature range for
operation with reduced nominal
data
T
a_work_red
°C
0...55
Derating of P
DC_cont
; P
BD
; I
out_cont
when T
a_work
< T
a
< T
a_work_red
f
Ta
%/K
2.0
Last modification: 2016-06-17
Bosch Rexroth AG
DOK-INDRV*-HXX05******-PR02-EN-P
90/407
Rexroth IndraDrive ML Drive Systems with HMU05
Combining the individual components
