Baumuller b maXX 5500 - Page 58

Operating requirements
Instruction handbook b maXX BM5500, BM5600, BM5700
Document No.: 5.13008.10 Baumüller Nürnberg GmbH
58
of 314
3.3
m Coherence between peak current of drive and the braking peak current
I
max,phase,accelerate
I
max,phase, brake
-----------------------------------------------------
U
DC link, brake
U
DC link, accelerate
------------------------------------------------
1

Motor
------------------


2
=
Assumptions: P
Shaft, accelerate
= P
Shaft,brake
, cos 
accelerate
= cos 
Brake
Typical values:
U
DC link brake
= 780 V
U
DC link, accelerate
= 540 V

Motor
= 0.9
Typically resulting in:
I
max,phase,brake
= 0.56  I
max,phase,accelerate