Controllers
Parameter manual b maXX BM5800
Document No.: 5.16029.03 Baumüller Nürnberg GmbH
496
of 814
3.7
142.15 Factor field weak threshold
This factor defines the set voltage from which the field weakening can be started. The pro-
vided voltage is (Z142.6–) multiplied with this factor and this way a relative setting of the
set voltage is possible. This factor should be lower than Z142.21–.
The final threshold to activate the field weakening controller also depends on parameter
Z142.8– and is displayed in the parameter Z142.23–.
142.19 Kp breakdown torque controller
Proportional gain of the breakdown torque controller.
142.20 Tn breakdown torque controller
Integral action time of the breakdown torque controller.
142.21 Factor breakdown torque threshold
This factor defines the set voltage from which the breakdown torque controller starts. The
provided voltage is multiplied with this factor and therefore a relative setting of the set volt
-
age is possible. This factor should be higher than Z142.15–.
142.22 Breakdown torque control output
The output from the breakdown torque controller is dimensionless and is between 0 and
1. The limit level is determined. The output is multiplied by the maximum total current
(
Z19.6–) and leads to Z138.18–.
142.23 Voltage limit field weakening controller
The voltage limit as of the field weakening controller is activated.
This limit is calculated as the minimum value between the "Voltage threshold field weak-
ening (Z142.8–) and the product from the "Factor field weakening threshold" (Z142.15–
) and the "Maximum nominal voltage" (Z142.6–).
The parameter unit is [V], line-to-line voltage effective.
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