Parameter Overview - Baumuller b maXX BM3000 Operating Manual

Description of the Software Modules and Parameters
MTPF characteristic
The MTPF characteristic shows the maximum field current which can be impressed at a
specific flux reserve to reach the maximum torque. The x-axis indicates the flux in Vs and
the y-axis indicates the current in A. The MTPF characteristic is standardized in depen-
dence of the nominal voltage and the nominal speed as it is assumed that the motors can
be operated without limiting the ld current. Thus, the flux reserve is divided in 15 equal
steps up to 0 by the nominal flux. The characteristic can be calculated automatically in the
controller by bit 12 of Z171.1–.The MTPF should be calculated again if the maximum cur-
rent (Z19.6–) or the maximum field current (Z146.12–) are changed.
Figure 79:

4.4.5.5 Parameter overview

Functional block:
Number Name
171.1 Control word reluctance
171.3 Ld curve family
171.4 Lq curve family
171.5 Norm current for inductance
chart familiy
171.10 Minimum Id Current
State machine of field weakening at IPMSM
FbReluctance [171]
Type Min Max
UINT 0 0xFFFF
FLOAT 1e-5 1e9
FLOAT 1e-5 1e9
FLOAT 0.01 1e9
FLOAT -1e9 0
Parameter manual b maXX BM3000
Default Value Unit Factor
0 1:1
1e-3 mH 1:1000
1e-3 mH 1:1000
10 A 1:1
0 A 1:1
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