CHF100A series high performance universal inverter
.89.
Function
Code
Name
Description
Setting
Range
Factory
Setting
PB.01
Output
phase-failure
protection
0: Disable
1: Enable
0~1
1
Notice: Please be cautious to set these parameters as disabled. Otherwise it may
cause inverter and motor overheat even damaged.
Function
Code
Name
Description
Setting
Range
Factory
Setting
PB.02
Motor
overload
protection
0: Disabled
1: Normal motor
2: Variable frequency motor
0~2
2
1: For normal motor, the lower the speed is, the poorer the cooling effect is. Based on
this reason, if output frequency is lower than 30Hz, inverter will reduce the motor
overload protection threshold to prevent normal motor from overheat.
2: As the cooling effect of variable frequency motor has nothing to do with running speed,
it is not required to adjust the motor overload protection threshold.
Function
Code
Name
Description
Setting
Range
Factory
Setting
PB.03
Motor
overload
protection
current
20.0%~120.0%
20.0~120.0
100.0%
Figure 6.31 Motor overload protection curve.
The value can be determined by the following formula:
Motor overload protection current = (Maximum load current / inverter rated current) *
100%
Notice:
l
This parameter is normally used when rated power of inverter is greater than
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