Chapter 4 Parameters
|
4-108
Revision Dec. 2008, 04VE, SW V2.05
Settings 0
to10
This parameter may be set so that the AC motor drive will increase its voltage output to obtain
a higher torque. Only to be used for SVC control mode.
Too high torque compensation can overheat the motor.
05-25
Slip Compensation Gain
Unit: 0.01
Control
mode
VF
SVC
Factory setting: 0.00
Settings 0.00
to10.00
When the asynchronous motor is driven by the drive, the load and slip will be increased. This
parameter can be used to correct frequency compensation and lower the slip to make the
motor can run near the synchronous speed under rated current. When the output current is
larger than the motor no-load current, the drive will compensate the frequency by Pr.05-25
setting. If the actual speed is slower than expectation, please increase the setting and vice
versa.
It is only valid in SVC/VF mode.
The factory settings are:
A. In SVC mode, the factory setting is 1.00.
B. In VF mode, the factory setting is 0.00.
05-26
Slip Deviation Level
Unit: 1
Control
mode
VFPG
SVC
FOCPG
Factory setting: 0
Settings
0 to 1000% (0: disable)
05-27
Detection time of Slip Deviation
Unit: 0.1
Control
mode
VFPG
SVC
FOCPG
Factory setting: 1.0
Settings
0.0 to 10.0 sec
05-28
Over Slip Treatment
Control
mode
VFPG
SVC
FOCPG
Factory setting: 0
Settings
0
Warn and keep operation
1
Warn and ramp to stop
2
Warn and coast to stop
Pr.05-26 to Pr.05-28 are used to set allowable slip level/time and over slip treatment when the
drive is running.
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