Bosch Rexroth IndraDrive HMV Project Planning Manual page 242

232/369 Bosch Rexroth AG | Electric Drives
IndraDrive M Supply Units
Description
DC bus voltage
capacitance in DC bus
DC resistance in DC bus (L+ to L-)
at U = 750 V
DC
rated power (t > 10 min) at f
kHz; U ; control factor a
LN_nenn
0,8; with mains choke
P and P vs. mains input
DC_cont DC_max
voltage; U ≤ U
LN LN_nenn
P and P vs. mains input
DC_cont DC_max
voltage; U > U
LN LN_nenn
maximum allowed DC bus power at
U ; with mains choke
LN_nenn
monitoring value maximum DC bus
voltage, switch-off threshold
monitoring value minimum DC bus
voltage, undervoltage threshold
maximum allowed external DC bus
capacitance 1)
charging time at maximum allowed
C external DC bus capacitance
DCext
at U
LN_nenn
Description
braking resistor continuous power
braking resistor peak power at
U = 850 V
DC
nominal braking resistance
braking resistor switch-on thresh‐
old - mains voltage independent
maximum regenerative power to be
absorbed
cooling of internal braking resistor
and Controls
Supply Unit - DC Bus
Data of supply unit - DC bus
Symbol Unit
U
V
DC
C
mF
DC
R
kOhm
DC
= 4
s
P
> kW
DC_cont
0
%/V
%/V
P
kW
DC_max
U
V
DC_limit_max
U
V
DC_limit_min
C
mF
DCext
t
lade_DC_Cex
t
1) use assigned type of mains choke
Fig.7-60: HMV - Data of supply unit - DC bus
Integrated Braking Resistor
Data of built-in braking resistor
Symbol Unit
P
kW
BD
P
kW
BS
R
DC_Bleed‐
ohm
er
U
V
R_DC_On_f
1)
W
kWs
R_max
1) factory setting
Fig.7-61: HMV - Data of built-in braking resistor
Rexroth IndraDrive | Project Planning Manual
HMV02.1R-W0015
750, closed-loop-controlled
0,70
approx. 67
15,00
PDC_cont (ULN) = PDC_cont x [1 - (400-ULN) x 0,0025]
PDC_cont
30,00
900, see also Troubleshooting Guide for E8025, F2817
600
50,00
HMV02.1R-W0015
0,30
33,00
16
820; see also X32
40,00
forced