Toshiba TOSVERT VF-S11 - Page 98

E6581158
E-25
5
[Using a VF motor (motor for use with inverter)]
Q Setting of electronic thermal protection characteristics selection QNO
Setting value Overload protection Overload stall
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×
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{ : valid, × : invalid
VF motors (motors designed for use with inverters) can be used in frequency ranges lower than those
for standard motors, but their cooling efficiency decreases at frequencies below 6Hz.
Q Setting of motor electronic thermal protection level 1VJT
If the capacity of the motor is smaller than the capacity of the inverter, or the rated current of the motor
is smaller than the rated current of the inverter, adjust the electronic thermal protection level 1 VJT so
that it fits the motor's rated current.
* If the indications are in percentages (%), then 100% equals the inverter's rated output current (A).
VJT ×1.0
Output frequency (Hz)
Output current reduction factor [%]
/ [A]
0
Setting the motor overload starting level
6Hz
VJT ×0.6