Lenze L-force HighLine C 8400 Series Reference Manual page 196

8400 HighLine C | Reference manual
Motor control (MCTRL)
Sensorless vector control (SLVC)
The following applies to the reset time Ti (C00074/2) <= 15 ms:
The reduction of the magnetising current in the field weakening range can be adapted via
the override point of field weakening (C00080):
C00080

The reduction of the magnetising current is shifted to higher field frequencies. Here,
there is a risk of the motor being magnetised too much and having too little voltage
reserve for the torque-creating current.
C00080

The reduction of the magnetising current is shifted to lower field frequencies.

Note!
A function for enabling a stable operation can only be implemented to a limited
extent with a reset time Ti <= 15 ms For applications with speeds above the 2-
fold rated speed, we recommend a reset time Ti (C00074/2) > 15 ms.
196
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> 0 Hz:
< 0 Hz:
L
Firmware ≤ 11.00 - DMS 6.0 EN - 10/2011