YASKAWA GA700 Technical Manual page 882

11.10 n: Special Adjustment
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n4-64: SpdEstimationResponse forLowFreq
No.
Name
(Hex.)
n4-64 SpdEstimationRes
ponse forLowFreq
(1B84)
When an improvement in the response of speed estimation is desired, or when the motor speed oscillates, or when
there is a significant amount of torque ripple, increase the setting value in 10.0 increments. If no improvement is
obtained, reduce the setting value in 10.0 increments.
Note:
Before adjusting n4-63 [SpdEstimationResponseForHighFreq], n4-64, n4-65 [FluxEstimationResponseForHighFrq], n4-66
[FluxEstimationResponseForLowFreq], carry out rotational Auto-Tuning.
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n4-65: FluxEstimationResponseForHighFrq
No.
Name
(Hex.)
n4-65 FluxEstimationRes
ponseForHighFrq
(1B85)
if, under no-load conditions, oS [Overspeed] is detected, or if for any other reason the speed does not stabilize
within the high speed range, adjust the setting value up or down in increments of 0.05.
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n4-66: FluxEstimationResponseForLowFreq
No.
Name
(Hex.)
n4-66 FluxEstimationRes
ponseForLowFreq
(1B86)
if, under no-load conditions, oS [Overspeed] is detected, or if for any other reason the speed does not stabilize
within the low speed range, adjust the setting value up or down in increments of 0.05.
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n4-67: SwitchingFreq forEstimation gain
No.
Name
(Hex.)
n4-67 SwitchingFreq
forEstimation gain
(1B87)
If the output frequency is greater than n4-67, n4-63 and n4-65 are selected. If the output frequency is less than n4-
67, n4-64 and n4-66 are selected.
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n4-68: FilterTimeConst forSpdEstimation
No.
Name
(Hex.)
n4-68 FilterTimeConst
forSpdEstimation
(1B88)
If the motor speed oscillates in the high speed range, set the value to 0.010 s.
882
V/f CL-V/f OLV CLV AOLV
In low speed ranges, where 0 ≤ the output frequency, which is < n4-67
[SwitchingFreq forEstimation gain], this adjusts the responsiveness of the
speed estimation.
V/f CL-V/f OLV CLV AOLV
In high speed ranges, where the output frequency is ≥ n4-67 [SwitchingFreq
forEstimation gain], this adjusts the responsiveness of the magnetic flux
estimation. Normally there is no need to change this setting.
V/f CL-V/f OLV CLV AOLV
In low speed ranges, where 0 ≤ the output frequency, which is < n4-67
[SwitchingFreq forEstimation gain], this adjusts the responsiveness of the
magnetic flux estimation. Normally there is no need to change this setting.
V/f CL-V/f OLV CLV AOLV
Set the switching frequency for estimation gain for each of the following:
n4-63 [SpdEstimationResponseForHighFreq], n4-64
[SpdEstimationResponse forLowFreq], n4-65
[FluxEstimationResponseForHighFrq], and n4-66
[FluxEstimationResponseForLowFreq]. Normally there is no need to
change this setting.
V/f CL-V/f OLV CLV AOLV
Sets the primary delay time constant for the speed estimation value.
Normally there is no need to change this setting.
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Default Setting
(Range)
60.0
(0.1 - 150.0)
Default Setting
(Range)
0.90
(0.50 - 1.50)
Default Setting
(Range)
0.90
(0.50 - 1.50)
Default Setting
(Range)
6.00 Hz
(0.00 to E1-04)
Default Setting
(Range)
0.001 s
(0.001 - 0.010 s)