Delta CT2000 Series User Manual page 370

PM FOC sensorless control diagram
I/F mode c urrent
command
Pr10-31
Field w eak eni ng c ontrol
Pr10- 35
Pr10- 36
Speed c ommand
Es ti mated s peed
Adjustment procedure
1. Sep up PM motor control
Pr05-33=1 or 2
2. Set up motor parameter according to the nameplate on the motor
Pr01-01 Output Frequency of Motor 1（base frequency and motor rated frequency
Pr01-02 Output Voltage of Motor 1（base frequency and motor rated frequency）
Pr05-34 Full-load current of Permanent Magnet Motor
Pr05-35 Rated Power of Permanent Magnet Motor
Pr05-36 Rated speed of Permanent Magnet Motor
Pr05-37 Pole number of Permanent Magnet Motor
3. Execute Auto-tuning
Set upPr05-00=13 for IPM motor tuning and press Run(static-tuning). When the tuning is
done, the following parameters will be obtained.
Pr05-39 Stator Resistance of PM Motor
Pr05-40 Permanent Magnet Motor Ld
Pr05-41 Permanent Magnet Motor Lq
4. Set up Pr00-11=6 for PM sensorless control (I/F+FOC)
5. Adjust the parameters which are related to speed estimator and ASR to make the best
operational performance.
Id c ommand
Iq
com mand
Speed
regulator
Chapter 12 Description of Parameter SettingsCT2000 Series
d-axis
to
cu rren t
regu lator
q-axis
current
regula tor
Iq feedbac k
to
Id feedback
12.2-00-8
&
Obs er ver