Parameter List
1
1.12 n: Special Adjustment
YASKAWA TOEPYAIGA8002B GA800 Drive Programming 97
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n8-27
(055A)
Expert
ACR d Integral Time
@PoleEst
Sets the integral time for current regulator d-axis control when the drive estimates the
initial pole. Usually it is not necessary to change this setting.
0.0 ms
(0.0 - 100.0 ms)
501
n8-28
(055B)
Expert
ACR d Lim @PoleEst
Sets the d-axis limit of the current regulator when the drive estimates the initial pole.
Usually it is not necessary to change this setting.
100%
(0 - 150%)
502
n8-35
(0562)
Initial Pole Detection
Method
Sets how the drive detects the position of the rotor at start.
Note:
• When you operate an SPM motor, set n8-35 = 0. When you operate an IPM motor,
you can set n8-35 = 0 to 2.
• When you set n8-35 = 1, doHigh Frequency Injection Auto-Tuning.
0 : Pull-in
1 : High Frequency Injection
2 : Pulse Injection
Determined by A1-02
(0 - 2)
502
n8-36
(0563)
HFI Frequency Level for
L Tuning
Sets the injection frequency for high frequency injection.
Note:
• Set n8-35 = 1 [Initial Pole Detection Method = High Frequency Injection] or n8-57
= 1 [HFI Overlap Selection = Enabled] to enable this parameter.
• The drive automatically calculates this value when High Frequency Injection Auto-
Tuning completes successfully.
500 Hz
(200 - 1000 Hz)
502
n8-37
(0564)
Expert
HFI Voltage Amplitude
Level
Sets the high frequency injection amplitude as a percentage where 200 V = 100% for 200
V class drives and 400 V = 100% for a 400 V class drives. Usually it is not necessary to
change this setting.
Note:
• Set n8-35 = 1 [Initial Pole Detection Method = High Frequency Injection] or n8-57
= 1 [HFI Overlap Selection = Enabled] to enable this parameter.
• The drive automatically calculates this value when High Frequency Injection Auto-
Tuning completes successfully.
20.0%
(0.0 - 50.0%)
502
n8-39
(0566)
PM Phase Compensation
Gain
Sets the low-pass filter shut-off frequency for high frequency injection.
Note:
• Set n8-35 = 1 [Initial Pole Detection Method = High Frequency Injection] or n8-57
= 1 [HFI Overlap Selection = Enabled] to enable this parameter.
• The drive automatically calculates this value when High Frequency Injection Auto-
Tuning completes successfully.
250 Hz
(0 - 1000 Hz)
503
n8-41
(0568)
Expert
HFI P Gain
Sets the response gain for the high frequency injection speed estimation.
2.5
(-10.0 - +10.0)
503
n8-42
(0569)
Expert
HFI I Time
Sets the integral time constant for the high frequency injection speed estimation. Usually it
is not necessary to change this setting.
0.10 s
(0.00 - 9.99 s)
503
n8-45
(0538)
Speed Feedback
Detection Gain
Sets the internal speed feedback detection reduction unit gain as a magnification value.
Usually it is not necessary to change this setting.
0.80
(0.00 - 10.00)
503
n8-46
(0539)
Expert
PM Phase Compensation
Gain
Sets the gain to compensate for phase differences. Usually it is not necessary to change this
setting.
0.3
(0.0 - 10.0)
503
n8-47
(053A)
Pull-in Current Comp
Filter Time
Sets the time constant the drive uses to align the pull-in current reference value with the
actual current value. Usually it is not necessary to change this setting.
5.0 s
(0.0 - 100.0 s)
504
n8-48
(053B)
Pull-in/Light Load Id
Current
On the basis that parameter E5-03 [Motor Rated Current (FLA)] is the 100% value, this
parameter sets the d-axis current that flows to the motor during run at constant speed as a
percentage.
30%
(0 - 200%)
504
n8-49
(053C)
Heavy Load Id Current
Sets the d-axis current to that the drive will supply to the motor to run it at a constant speed
with a heavy load. Considers E5-03 [PM Motor Rated Current (FLA)] to be 100%. Usually
it is not necessary to change this setting.
Determined by E5-01
(-200.0 - +200.0%)
504
n8-50
(053D)
Medium Load Iq Level
(High)
Sets the load current level to start high efficiency control as a percentage of E5-03 [PM
Motor Rated Current (FLA)]. Usually it is not necessary to change this setting.
80%
(50 - 255%)
504
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