User`s manual

182 • Vacon apfiff09 marine
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7.9.1.4 Speed controller gain with different loads
The speed controller can also be tuned for different loads. Speed controller gain is first manipulated
by the speed area gain function and this result is then further adjusted by torque related relative
gain.
T
TorqMin
100 %
Kp Torq Gain
Gain after
speed area
adjust
100 %
P2.9.5.9 Speed Controller torque minimum ID1296
The level of speed controller output which the speed controller gain is changed to with
using a filter set by
par This is in
percent of the motor nominal torque.
P2.9.5.10 Speed Controller torque minimum gain ID1295
Relative gain as a percentage of the speed controller gain after speed area adjustment
parameter is normally used to stabilise the speed controller for a drive system with gear
backlash.
P2.9.5.11 Speed Controller torque minimum filtering time ID1297
Filtering time for torque. When the speed controller gain is changed below the Speed
Controller torque minimum.