Measurement of the head inductance (asynchronous mo-
tor)
Measurement of the EMF (synchronous motor)
The procedure for the inductance measurement of a synchronous motor within a
complete identification can can be selected in bit 4 and 5.
SM ind.
mode
for all
ident
Using the “amplitude-modulation” procedure
Using the “five-step” procedure
Estimation of Ls with the "five-Step" method. Then
measurement of the stator resistance Rs.
Depending on the motor time constant, the optimal
procedure for this motor is selected:
Time constant < 10ms => Use of the "amplitude mod-
ulation" method.
The process of the identification can be monitored in dr55.
Measurement of the stator resistance
SM inductance (five step)
Inductance measurement according to the "five-step“
procedure running
Measurement of the dead time characteristic running
init current ctrl (only Ls identified)
Current controller-initialisation for the following identifi-
cation steps
init current ctrl (with identified values)
Measurement of the stator resistance
Internal standardization routines are pass through
ASM sigma ind. / SM ind.
(ampl.modl)
Inductance measurement according to the "amplitude-
modulation“ procedure running
Head inductance measurement running
Measurement of the EMF running
The identification was aborted with error
The identification has been completed
rotor detection (hf detection)
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