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Application Manual CDA3000
6 Control modes
Optimization of the speed controller with the gain SSGFx
With precisely set moments of inertia, Sensorless Flux Control tends
toward 20-30 % overshoot when a stepped change of the frequency refer-
ence is set. This can be checked with the aid of the D
RIVEMANAGER.
Note: Record step response
The D
RIVEMANAGER scopemustbeusedtorecordthestep
response. The reference step should only be specified at a
low frequency (approx. 10 Hz).
Setting of the scope
Setting CLIMx Effect
Increase
• Higher torque
• Greater tendency to current overload shut-off
Reduce
• Lower torque
• Low tendency to current overload shut-off
Table 6.17 Setting of max. reference current for current control
5.
tab Recording variable Scope recording variable
0 Reference step Control reference
1 Step response (actual value) Output frequency (FOR and SFC)
2
Current i
q
(torque)
q-axle current
Table 6.18 Recording variables of the D
RIVEMANAGER SCOPE
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