Delta Electronics VFD037CH23A-21 — motor Auto-Tuning Parameters: Settings and Configuration Guide [311/638]
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Delta Electronics VFD037CH23A-21 — motor Auto-Tuning Parameters: Settings and Configuration Guide [311/638]

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Delta Electronics VFD037CH23A-21 [311/638] Motor parameters
Chapter 12 Description of Parameter SettingsCH2000 Series
95
12-
05 Motor Parameters This parameter can be set during operation.
Motor Auto Tuning
Factory Setting: 0
Settings 0: No function
1: Rolling test for induction motor (Rs, Rr, Lm, Lx, no-load current)
2: Rolling test for induction motor
3: No function
4: Rolling test for PM motor magnetic pole
5: Rolling test for PM motor
6: Rolling test for IM motor flux curve
12: FOC Sensorless inertia estimation
13: High frequency and blocked rotor test for PM motor parameter
Induction Motor
Press 【Run】to begin auto tuning. The measured value will be written into motor 1 (Pr.05-05
~05-09, Rs, Rr, Lm, Lx, no-load current) and motor 2 (Pr.05-17 to Pr.05-21) automatically.
To begin AUTO-Tuning in rolling test:
1. Make sure that all the parameters are set to factory settings and the motor wiring is correct.
2. Make sure the motor has no-load before executing auto-tuning and the shaft is not connected
to any belt or gear motor. It is recommended to set to 2 if the motor can’t separate from the
load.
3.
Motor 1 Parameter Motor 2 Parameter
Motor Rated Frequency
01-01 01-35
Motor Rated Voltage
01-02 01-36
Motor Full-load Current
05-01 05-13
Motor Rated Power
05-02 05-14
Motor Rated Speed
05-03 05-15
Motor Pole Numbers
05-04 05-16
4. Set Pr.05-00=1 and press【Run】, the drive will begin auto-tuning. Please be aware of the
motor that it starts spinning as【Run】 is pressed.
5. When auto-tuning is completed, please check if the measured values are written into motor 1
(Pr.05-05 ~05-09) and motor 2 (Pr.05-17 ~05-21) automatically.
6. Mechanical equivalent circuit
V
S
I
Rs
Rr
Lx
Lm
Pr.05-06
Pr.05-18
Pr.05-09
Pr.05-21
Pr.05-08
Pr.05-20
Pr.05-07
Pr.05-19
※ If Pr.05-00 is set to 2 (static test), user needs to input the no-load current value of motor
into Pr.05-05 for motor 1/Pr.05-17 for motor 2.

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Learn how to configure motor auto-tuning parameters for induction and permanent magnet motors. Includes settings, procedures, and mechanical equivalent circuit details for optimal performance tuning.