Santerno Sinus Penta - Example 1 - V;F Pattern Parameterization; Table 76: IFD Control Parameters for the Connected Motors

PROGRAMMING GUIDE
SINUS PENTA
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Table 76: IFD control parameters for the connected motors
Parameter
Motor 1
Motor 2
Motor 3
Rated frequency:
Rated frequency of the connected motor (current rating).
C015 C058 C101
Rated voltage: rated voltage of the connected motor (voltage rating).
C019
C062
C105
V/f curve type:
Type of V/f curve applied.
C013 C056 C099
Torque reduction with quadratic curve:
Torque reduction using V/f quadratic curve.
C032 C075 C118
Rated speed referring to torque reduction with quadratic curve:
Speed actuating the torque reduction using a quadratic curve.
C033 C076 C119
Voltage preboost:
Determines the
voltage produced by the drive at min. output frequency
fomin.
C034 C077 C120
Voltage Boost 0:
Determines the voltage variations in respect to the nominal voltage at the
frequency set up by the relevant parameter.
C035 C078 C121
Boost 0 application frequency:
Determines the Boost 0 application frequency.
C035a C078a C121a
Voltage Boost 1:
Determines the frequency for the application of the boost at preset
frequency.
C036 C079 C122
Boost 1 application frequency:
Determines the Boost 1 application frequency at preset frequency.
C037 C080 C123
Autoboost:
Variable torque compensation expressed as a percentage of the rated
motor voltage. The preset value expresses the voltage increase when the
motor is running at rated torque.
C038 C081 C124
34.1.5. EXAMPLE 1 - V/F PATTERN PARAMETERIZATION
Motor 1: the voltage/frequency pattern is to be programmed for an asynchronous motor (400V/50Hz) with a rated speed
of 1500rpm up to 2000rpm.
Type of V/f curve
C013
=
Constant Torque
Rated frequency
C015
=
50 Hz
Rated motor rpm
C016
=
1500rpm
Rated voltage
C019
=
400 V
Preboost
C034
=
depending on the starting torque
Max. speed
C029
=
2000rpm