Torque And Slip Compensation - Delta VFD-A Series User Manual

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Pr.52 Pr.53
Parameter Name Motor rated current
Factory Setting d0100%
Parameter value d0030 - d0120%
This parameter can be programmed while the drive is running.
This parameter must be set according to the motor specification found on its
nameplate. This setting will limit the AC drive output current in order to prevent the
motor from overheating. When the motor current exceeds this value, the output
frequency will be reduced until the current drops below this limit.
Parameter Name Motor no-load current
Factory Setting d0040
Parameter value d0000 - d0099%
This parameter can be programmed while the drive is running.
This parameter sets the motor no-load current in 1% increments.
Torque Compensation Setting
Pr.54
Parameter Name Auto torque-compensation
Factory Setting d0000
Parameter value d0000 - d0010%
This parameter can be programmed while the drive is running.
This parameter may be set so that the AC drive will increase the voltage output
during startup to obtain a higher initial starting torque. This additional torque will be
present until the master operating frequency is attained.
Be careful while setting the value for Pr.54. If the value is too high, the motor might
!
overheat or be damaged.
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Motor Current Setting
Parameter # 52
Units 1%
Parameter # 53
Units 1%
Parameter # 54
Units 1%
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Torque and Slip Compensation

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