Baumuller b maXX 5000 - Page 281

Accessories and spare parts
Instruction handbook bmaXX 5000
Document No.: 5.09021.19
281
of 346
11
11.3 Brake resistors
The minimum permissible resistance value R
min brake resistor
depends on the bmaXX that
is used.
U
DC link brake resistor on
= DC link voltage threshold for brake resistor on
(approx. 780 V)
I
brake resistor
= continuous current of the chopper transistor
P
brake resisitor
= brake resistor power
I
max brake resisitor
= maximum permissible brake resistor current of the device
(see ZElectrical data– as from page 60)
Type I
eff
[A]
Typical
motor
output
[kW]
Continuous
brake resistor
current
[A]
Max.
brake resistor
power
[kW]
Min.
resistor
value
[ ]
BM5031 / BM5032 - - 23,5 18 33
BM5043 / BM5044 - - 75 58 10,5
BM5074 / BM5075 - - 250 200 3
Brake resistor
Chopper transistor
Brake resistor current
DC link+
DC link-
DC link measurement
evaluation logic
I
brake resistor
P
brake resistor
U
DClink chopper resistor on
-------------------------------------------------------=
R
min brake resistor
U
DClink brake resisitor on
I
max brake resisitor
----------------------------------------------------=