HBD PV500-0007M1 User Manual page 36

PV500 series solar pumping inverters
Function
code
P04.01 Torque boost
P04.02 Torque boost close
Name Detailed illustration of parameters
change the feature of the curve.
Note: V
rated voltage and f
frequency.
Output
voltage
V
b
Torque boost to the output voltage for the
features of low frequency torque. P04.01
is for the Max. output voltage Vb.
P04.02 defines the percentage of closing
frequency of manual torque to fb.
Torque boost should be selected
according to the load. The bigger the load
is, the bigger the torque is. Too big torque
boost is inappropriate because the motor
will run with over magnetic, and the
current of the inverter will increase to add
the temperature of the inverter and
decrease the efficiency.
When the torque boost is set to 0.0%, the
inverter is automatic torque boost.
Torque boost threshold: below this
frequency point, the torque boost is valid,
but over this frequency point, the torque
boost is invalid.
in the below picture is the motor
b
is the motor rated
b
Torque-stepdown
characteristic curve (1.3 order)
Torque-stepdown
Linear type
characteristic curve(1.7 order)
Torque-stepdown characteristic
curve (2.0 order)
Square
type
f
frequency
b
-34-
Function parameters
Default Modify
Output
0.0%
20.0%
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