E6581381
E-24
5
5.11 Manual torque boost - increasing torque boost at low
speeds
XD
: Torque boost 1
•
Function
If torque is inadequate at low speeds, increase torque by raising the torque boost rate with this
parameter.
O
ut
put
v
ol
ta
ge
[V
]/(
%
)
Base frequency voltage
Output frequency (Hz)
XD
Base frequency
XN
XNX
[Parameter setting]
Title
Function
Adjustment range
Default setting
XD
Torque boost 1
0.0 - 30.0 (%)
According to model
(
⇒
See page K-14)
+
Valid when
RV
is set to
(V/F constant) or
(square reduction)
Note: The optimum value is programmed for each inverter capacity. Be careful not to increase the torque boost
rate too much because it could cause an overcurrent trip at startup.
5.12 Setting the electronic thermal
VJT
: Motor electronic-thermal protection level 1
QNO
: Electronic thermal protection characteristic selection
H
: Motor electronic-thermal protection level 2
H
: Motor 150%-overload time limit
H
: Thermal memory selection
•
Function
This parameter allows selection of the appropriate electronic thermal protection characteristics according
to the particular rating and characteristics of the motor.
Содержание TOSVERT VF-FS1 Series
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Страница 39: ...E6581381 B 3 2 2 2 1 Standard connection diagram 1 This diagram shows a standard wiring of the main circuit ...
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