Power Section - Braking Resistor - Bosch Rexroth IndraDrive C HCS03.1 Planning Manual

6-6
Electrical Data
6.4

Power Section - Braking Resistor

Designation
nominal braking
resistor
operating external
braking resistor
(optional)
braking resistor
switch-on threshold
balancing factor for
P
BD
(for parallel operation
with common DC bus)
min. resistance value
of external braking
resistor
allowed continuous P
power of external
braking resistor
ext. braking resistor
peak power
at ED=60% and
t=120s
peak power brake P
chopper for t=1s
Example for Calculating Brake
Chopper Continuous Power
Symbol Unit HCS03.1E-
W0070
R Ohm
DC(Bleeder)
allowed
R V
DC (R_DC On)
R Ohm
DC(Bleeder)
kW
contchopper
P kW
BS
kW
peakchopper
Fig. 6-8: Data power section - braking resistor
P :
contchopper
P :
peakchopper
Fig. 6-9: Example for calculating brake chopper continuous power
HCS03.1E-
W0100
internally not contained
allowed
see Functional Description of firmware
0,8 0,8
17,5 11,7
13,2 18,9
22 31,5
42 63
P
=
peakchopper
P
contchopper
120
brake chopper continuous power
brake chopper peak power
Rexroth IndraDrive C HCS03.1
HCS03.1E- HCS03.1E-
W0150 W0210
allowed allowed
0,8 0,8
7 5
25,2 42,6
42 71
97 137
×
60%
72 s
s
DOK-INDRV*-HCS03.1****-PR02-EN-P