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PROGRAMMING GUIDE
SINUS PENTA
269
/
486
34.1.8.
T
ORQUE
C
ONT ROL
(VTC
AND
FOC
O
NLY
)
VTC and FOC controls allow controlling the drive with a torque reference instead of a speed reference. To do so, set [1:
Torque or 2: Torque with Speed Limit [FOC only] in the relevant parameter (
C011
for motor 1,
C054
for motor 2,
C097
for motor 3).
In this way, the main reference corresponds to the motor torque demand and may range from
C047
to
C048
(
Limits
Menu
) for motor 1 (minimum and maximum torque expressed as a percentage of the motor rated torque). For motors 2
and 3, the parameters relating to min. and max. torque (
C090
,
C091
and
C133
,
C134
) are included in the Limits Menu 2
and Limits Menu 3.
Using a 0020 drive connected to a 15kW motor,
C048
is factory-set to 120% of the motor rated torque. If the max.
reference is applied (
C143
= REF), the torque reference will be 120%.
If a 7.5kW motor is connected,
C048
may exceed 200%; torque values exceeding 200% may be obtained based on the
value set in
C048
.
The motor rated torque results from the following formula:
C=P/
ω
where P is the rated power expressed in W and
ω
is the rated speed of rotation expressed in radiants/sec.
Example: the rated torque of a 15kW motor at 1420rpm is equal to:
15000
C = –––––––––––– = 100.9 Nm
1420
⋅
2
π
/60
The starting torque is:
rated torque * 120% = 121.1 Nm
Содержание PENTA MARINE
Страница 173: ...PROGRAMMING GUIDE SINUS PENTA 173 486 Figure 27 Response to the step based on the value of Kp when Ti is kept constant...
Страница 196: ...SINUS PENTA PROGRAMMING GUIDE 196 486 Figure 34 ANALOG Mode Figure 35 DOUBLE DIGITAL Mode...
Страница 197: ...PROGRAMMING GUIDE SINUS PENTA 197 486 Figure 36 General structure of the parameterization of a digital output...