Lenze 8400 - Manual (Page 175)

Lenze · 8400 protec HighLine · Reference manual · DMS 3.0 EN · 03/2013 · TD05
175
5 Motor control (MCTRL)
5.5 V/f characteristic control - energy-saving (VFCplusEco)
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Speed variations in no-load operation and with load for
speeds > rated speed.
Minimise speed oscillations with increasing the
oscillation damping field weakening ( C00236 ).
Caution: If C00236 is increased, the maximum output
voltage of the device is reduced!
Output voltage is too low. There is a too low maximum
torque in the high field weakening range.
Reduction of the oscillation damping field weakening
( C00236 ).
Caution: When C00236 = 0, oscillation damping field
weakening is inactive. Thus, a maximum output voltage
is available but the tendency to speed oscillations in the
field weakening range at no-load operation and with
load increases.
Drive behaviour Remedy