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Parameter description
Note: optimized U/f settings will cause motor current values comparable to nominal one, also
at very low speed. External cooling of the motor is needed if the motor works in this condition
for significant time.
P8.17
D
ISABLE OVERVOLTAGE REGULATOR
Overvoltage regulator automatically increases deceleration ramp time if the internal DC link
voltage is too high.
0: enabled
1: disabled
P8.18
D
ISABLE UNDERVOLTAGE REGULATOR
Undervoltage regulator automatically decelerates the motor if the internal DC link voltage is
too low.
0: enabled
1: disabled
P8.19
D
ISABLE SWITCHING FREQ REGULATOR
Switching frequency regulator automatically decreases the PWM frequency if the unit temper-
ature is too high.
0: enabled
1: disabled
P8.20
M
OTOR
In this parameter, you can set the type of motor in your process.
Selections:
0: Induction motor (IM) Make this selection if you use an induction motor.
1: Permanent Magnet Motor (PM) Make this selection if you use a permanent magnet motor.
Service support: find your nearest Vacon service center at www.vacon.com
T
YPE
vacon • 60
3
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