YASKAWA GA800 Series, Техническое описание

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4.8 Auto-Tuning
196 YASKAWA SIEPC71061737B GA800 Drive Technical Reference
Table 4.14 Input Data for Control Tuning
Input Data Parameters Unit
Auto-Tuning Mode
(T3-00 Value)
Inertia Tuning
(0)
ASR (Speed
Regulator)
(1)
Dec Rate Tuning
(2)
KEB Tuning
(3)
Test Signal Frequency T3-01 Hz x x - -
Test Signal Amplitude T3-02 Rad x x - -
Motor Inertia T3-03 Kg∙m 2 x x - -
System Response Frequency T3-04 Hz - x - -
■
Inertia Tuning
Inertia Tuning uses the motor speed and torque reference to estimate the system inertia and automatically sets the
drive parameters related to the inertia ratio of the machinery and motor. Use Inertia Tuning for Feed Forward control
or when
H1-xx = 7A [MFDI Function Select = KEB Ride-Thru 2 Activate (N.C.)] .
Inertia tuning identifies the load inertia and optimizes the speed loop gain and feed forward gain to get a high level of
control capability. You can set the speed response without thinking about the load, which increases the precision when
synchronizing multiple drives. Since the motor can continue to operate during a power outage, Inertia Tuning keeps
the best ramp to stop deceleration curve for KEB Ride-Thru.
■
ASR Tuning
ASR Tuning estimates the motor load inertia and automatically sets the parameters. ASR Tuning also uses the
measured load inertia value to do an automatic adjustment after calculating the proportional gain of speed control
(ASR).
■
Deceleration Rate Tuning
Deceleration Rate Tuning automatically sets the deceleration rate to prevent an ov [Overvoltage] fault during motor
deceleration. Set C1-11 [Accel/Decel Time Switchover Freq] first to automatically set parameters C1-02
[Deceleration Time 1] (high speed range) and C1-08 [Deceleration Time 4] (low speed range).
■
KEB Tuning
KEB Tuning automatically sets parameters used for the KEB Ride-Thru function and for the overvoltage suppression
function.
Control Tuning automatically sets the parameters in Table 4.15 to the best values.
Table 4.15 Parameters set in Control Tuning
Parameters Automatically Set Inertia Tuning ASR Tuning Deceleration Rate Tuning KEB Tuning
C1-02 [Deceleration Time 1]
- - x -
C1-08 [Deceleration Time 4]
- - x
*1
-
C1-09 [Fast Stop Time] - - - x
*2
C5-01 [ASR Proportional Gain 1]
- x - -
C5-17 [Motor Inertia]
x x - -
C5-37 [Motor 2 Inertia]
x x - -
C5-18 [Load Inertia Ratio] x x - -
C5-38 [Motor 2 Load Inertia
Ratio]
x x - -
L2-06 [Kinetic Energy Backup
Decel Time]
- - - x
*3
L3-24 [Motor Accel Time @
Rated Torque]
x x - -
L3-25 [Load Inertia Ratio] x x - x