Lust CDA3000 - Page 275

Application Manual CDA3000
6-23
6 Control modes
1
2
3
4
5
6
A
DE
EN
FR
Recording variables of the scope function in the DRIVEMANAGER
Current injection
The current injection should be set to 1.5 times the slip frequency (FMx)
and the reference value (CICNx) to 120% of the motor rated current.
Typical slip frequencies of asynchronous motors
Recording variable Abbreviation User level menu
Control reference refvalue 1
Control actual value actvalue 1
Frequency change by slip compensation deltaScope 3
Voltage change by IxR deltau 3
Phase current in phase U isa 1
Phase current in phase V isb 1
Phase current in phase W isc 1
Apparent current after filter for current-controlled
startup
is_ramp 3
Effective value of apparent current Iseff 1
Effective value of active current Iweff 1
Table6.9 RecordingvariablesoftheD
RIVEMANAGER SCOPE
3.
Power Typical slip frequency
up to 15 kW 3-7 Hz
up to 90 kW up to 1 Hz
Table 6.10 Typical slip frequencies dependent on power group