YASKAWA GA800 Series - Auto-Tuning in EZ Open Loop Vector Control Method

4.8 Auto-Tuning
194 YASKAWA SIEPC71061737B GA800 Drive Technical Reference
Table 4.10 Input Data for PM Motor Auto-Tuning
Input Data Parameter Unit
Auto-Tuning Mode
(T2-01 Setting)
Z-Pulse Offset (Pole
Position)
(3)
PM Rotational Auto-Tuning
(4)
High Frequency
Injection Auto-
Tuning
(5)
Control method
selection
A1-02 - 7 5 6 7 5, 6, 7
PM Motor Code
Selection
T2-02 - - - - - -
PM Motor Type T2-03 - - x x x -
PM Motor Rated Power T2-04 kW - x x x -
PM Motor Rated Voltage T2-05 V - x x x -
PM Motor Rated Current T2-06 A - x x x -
PM Motor Base
Frequency
T2-07 Hz - x - - -
Number of PM Motor
Poles
T2-08 - - x x x -
PM Motor Base Speed T2-09 min
-1
- - x x -
PM Motor Stator
Resistance
T2-10 Ω - - - - -
PM Motor d-Axis
Inductance
T2-11 mH - - - - -
PM Motor q-Axis
Inductance
T2-12 mH - - - - -
Back-EMF Units
Selection
T2-13 - - - - - -
Back-EMF Voltage
Constant (Ke)
T2-14
*1
- - - - -
Pull-In Current Level T2-15 % - x x x -
Encoder Pulse Count
(PPR)
T2-16 - - - - x -
Encoder Z-Pulse Offset
for PM Motor
T2-17 Degrees - - - - -
*1 Changes when the value set in T2-13 changes.
◆ Auto-Tuning in EZ Open Loop Vector Control Method
This section gives information about the Auto-Tuning mode for EZ Open Loop Vector Control. Auto-Tuning will set
the E9-xx parameters.
Table 4.11 EZ Tuning Mode Selection
Mode
Parameter
Settings
Application Conditions and Benefits
Applicable Control Method
(A1-02 Setting)
Motor Parameter Setting T4-01 = 0
• Applicable when driving SynRM (Synchronous Reluctance
Motors).
• Suitable for derating torque applications, for example fans and
pumps.
EZOLV
(8)
Line-to-Line Resistance T4-01 = 1
• After Auto-Tuning, the wiring distance between the drive and
motor changed by 50 m or more.
• When the motor output and drive capacity are different.
EZOLV
(8)
■ Auto-Tuning Input Data in EZ Open Loop Vector Control Method
To do Auto-Tuning, input data for the items in Table 4.12 that have an "x". Before starting Auto-Tuning, prepare the
motor test report or record the information on the motor nameplate as a reference.