SycoTec easyDive 4425 - Page 48

EN
48
P72 loadcomp. [ASM, -, -]
Factor of the load compensation, the inverter output voltage is adapted as a function of the motor load.
With the load compensation, it is possible to ensure that the motor consumes only little current during
idling (little heating up) but that the magnetization current is appropriately increased under load. This
makes it possible to reduce the heating up of the motor, and the speed decrease in the load is smaller.
The load compensation is applied in particular at medium and high speeds or voltages and supplements
the I*R compensation.
U = U_table * P72-loadcomp. * (P18-I_mot - (P93-I_mot_nom * P94-cos_phi)
V_mot = U table + U
U_table corresponds to the V/Hz table voltage, calculated from the values P60...P66
Specific values: Off - Load compensation switched off
Minimum value: 0.1%/A (slight rise)
Maximum value: 40%/A (very sharp rise)
Factory setting: Off
P73 komp-t_filt [ASM, -, -]
Filter time of the I*R and load compensation.
This makes it possible to influence the rapidity of the I*R and load compensation. If the motor tends to
vibrate under load, higher values should be set.
Minimum value: 1 ms
Maximum value: 1,000 ms
Factory setting: 20 ms
P77 I-limtr-KP [ASM, BLDC, BLDCS]
Only in special cases should this parameter be changed from the factory setting.
P77-I-limtr-KP influences the control (PI) for the motor current limitation, it being possible to set the gain
(proportional part) here.
Minimum value: 2%
Maximum value: 200%
Factory setting: 40%
P78 I-limtr-t_n [ASM, BLDC, BLDCS]
Only in special cases should this parameter be changed from the factory setting.
P78-I-limtr-t_n influences the control (PI) for the motor current limitation, it being possible to set the
reset time (I-part) here. Longer times make the control slower. If the times are too short, the current
control tends to oscillate.
Specific values: Without I-part - I-part is switched off
Minimum value: 1 ms
Maximum value: 999 ms
Factory setting: 2 ms
P79 V-contr-KP [ASM, BLDC, BLDCS]
Only in special cases should this parameter be changed from the factory setting.
P79-V-contr-KP influences the control (PI) for the internal intermediate circuit voltage, it being possible
to set the gain (proportional part) here. The motor voltage is generated from the intermediate circuit
voltage by the inverter.
Minimum value: 5%
Maximum value: 100%
Factory setting: 20%