2.9 n: Special Adjustments
YASKAWA ELECTRIC
TOEP C710687 03B FSDrive-MV1000 Parameter Guide
229
n
n7-56: Amplitude Synchronous Detection Bias
Sets the bias for detecting the amplitude of the commercial power supply voltage. Set as a percentage of the voltage
class.
When voltage synchronization ends (when the close command for the commercial power supply side breaker or drive
secondary side breaker is output) and there is a difference in the voltage amplitude between the drive output and the
commercial power supply, adjust the bias to cancel the difference of the voltage amplitude, where a positive value
increases the drive output.
n
n7-57: Amplitude Synchronous Level
Sets the deviation level of the amplitudes that is used to determine whether the amplitudes of the commercial power
supply voltage and the drive output voltage are synchronized. Set as a percentage of the voltage class.
Make a large adjustment if the voltage synchronization does not end, or a small adjustment if there is a large shock when
synchronization ends.
n
n7-59: Phase Synchronous P Gain
Sets the proportional gain of the control that synchronizes the phases of the commercial power supply voltage and the
drive output voltage.
If Synchronous Transfer control is in effect and the drive output frequency oscillates, decrease the setting.
n
n7-60: Phase Synchronous I Time
Sets the integral time of the control that synchronizes the phases of the commercial power supply voltage and the drive
output voltage.
If Synchronous Transfer control is in effect and the drive output frequency oscillates, increase the setting.
n
n7-61: Phase Synchronous Primary Delay Time Constant
Sets the primary delay filter of the control that synchronizes the phases of the commercial power supply voltage and the
drive output voltage.
If Synchronous Transfer control is in effect and the drive output frequency oscillates, increase the setting.
n
n7-62: Phase Synchronous Output Upper Limit
Sets the output upper limit of the control that synchronizes the phases of the commercial power supply voltage and the
drive output voltage. Set as a percentage of the maximum output frequency (E1-04).
If the voltage synchronization does not end, make a large adjustment.
No.
Name
Setting Range
Default
n7-56
Amplitude Synchronous Detection Bias
-100.0 to 100.0%
0.0%
No.
Name
Setting Range
Default
n7-57
Amplitude Synchronous Level
0.0 to 10.0%
3.0%
No.
Name
Setting Range
Default
n7-59
Phase Synchronous P Gain
0.000 to 10.000
0.330
No.
Name
Setting Range
Default
n7-60
Phase Synchronous I Time
0 to 9999 ms
0 ms
No.
Name
Setting Range
Default
n7-61
Phase Synchronous Primary Delay Time Constant
0.000 to 1.000 s
0.100 s
No.
Name
Setting Range
Default
n7-62
Phase Synchronous Output Upper Limit
0 to 20%
5%
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