Toshiba Tosvert VF-S15 Instruction Manual page 99

 = (150%-60s), = (Constant torque characteristic)
Protection is given uniformly regardless of temperature, as shown by the 150%-60 sec overload curve in the
figure below.
Inverter overload
time [s]
5
 = (Temperature estimation), = (Constant torque characteristic)
This parameter adjusts automatically overload protection, predicting the inverter internal temperature rise.
(diagonally shaded area in the figure below)
time [s]
60
Inverter overload protection characteristics
0
110%
f631=0
60
Inverter overload protection characteristics
0
110%
Current Inverter overload time [s]
[%]
111
120
130
140
150
175
200
Monitored output current [%]
150%
100%: Inverter rated output current
Monitored output current [%]
150%
100%: Inverter rated output current
E-12
E6582175
(Outline data)
2400
242
120
80
60
3
0.5