Parker AC30 - Fluxing Vhz

D-72 Parameter Reference
AC30 series Variable Speed Drive
Fluxing VHz
Parameters::Motor Control::Fluxing VHz
Designed for VOLTS/Hz motor Control Mode.
This function allows user parameterisation of the conventional (volts/hertz) fluxing strategy of the Drive. This is achieved through three flexible Volts-
to-frequency templates. Starting torque performance can also be tailored through the Fixed Boost, Acceleration Boost and Auto Boost
parameters.
Parameter Name
No.
Path
Default
Range
Units
Writable
VHz Shape
0422
Setup::Motor Control::Control and Type
Parameters::Motor Control::Fluxing VHz
0
0:LINEAR LAW
1:FAN LAW
2:USER DEFINED
3:APPLICATION DEFINED
STOPPED
Type of volts to frequency template to flux the motor. The choices for this parameter are:
Enumerated Value : VHz Shape
0 : LINEAR LAW This gives a constant flux characteristic up to the Base Frequency (see Motor Nameplate function).
1 : FAN LAW This gives a quadratic flux characteristic up to the Base Frequency. This matches the load requirement for fan
and most pump applications
2 : USER DEFINED This gives a user defined flux characteristic up to the Base Frequency.
3 : APPLICATION DEFINED This gives a user the ability to set up and apply fluxing law from the application layer.
V/F SHAPE
LINEAR
FREQUENCY
= BASE FREQUENCY
100%
CONSTANT
POWER RANGE
(field weakening)
OUTPUT VOLTS
f
B
f
B
QUADRATIC LAW
CONSTANT
TORQUE
RANGE