Description of the Software Modules and Parameters
Parameter manual b maXX BM3000
Document no.: 5.12001.07
139
of 820
4
The strongest limit is effective. The definite upper and lower torque current limit is dis-
played in Z138.6– and Z138.7–.
Standardization:
100% = Max. torque current Z19.8–
138.4 Iq limit quadrant hysteresis
Hysteresis for current and speed for assessing the operating quadrants.
Standardization:
100% = Motor nominal torque current Z19.10–
or
100% = (Motor) Nominal speed Z107.7–
138.5 Motor quadrant
Display of the currently determined quadrant, using the current speed, the instantaneous
current and the set hysteresis.
The following diagram illustrates the definition:
Figure 72: Definition of the quadrants
138.6 Iq upper limit
Display of the currently determined upper limit for the instantaneous current [in A].
NOTE!
The parameter must continuously be understood as the percentage set of the "Max.
torque current"
Z19.8–. The parameter can be entered and displayed in ampere (this
is demanded as an auxiliary setting) at ProDrive. The value which was entered in am-
pere however can change during the operation because the reference value can
change because of the field weakening or the external total current limit. See param
-
eters Z19.8– and Z138.1– as well as the chapter ZTorque Current Limiting– on
page 470.
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