B) Dependent Of The External Total Current Limit (Field Weakening Is Not Assumed) - Baumuller b maXX BM3000 Operating Manual

Description of the Software Modules and Parameters
isq
[A]
LT-Imax
19.6
N
isd-set
[A]
Isd-nom
0
a) 0
N 107.7
Figure 155:
Particular case synchronous motor with interior permanent magnet (IPMSM)
The Iq current is not limited, but the total current is limited at IPMSM, because both cur-
rents contribute to the torque production.
isqMax 19.8
IsqLim
-1
n [min ]
N
-1
Example. Torque current limit "lsqLim" at the "Current mode" for the asynchronous motor
bit 3 = 1). 
a) Dependent of the field current (external total current limit is assumed). 

b) Dependent of the external total current limit (field weakening is not assumed)

isq
[A]
LT-Imax
19.6
i drive
[A]
LT-Imax
19.6
b)
Parameter manual b maXX BM3000
Document no.: 5.12001.07
4
5000_0355_rev01_int
isqMax 19.8
IsqLim
t
LT-Imax-act 19.5
external
drive current limit
(138.1
475
of 820