User Manual of A90 Series Inverter
11
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Correct selection of the inverter: The rated output current of the inverter is greater than
or equal to the rated current of the motor, taking into account the overload capacity.
★
The difference between the rated power of the inverter and that of the motor is usually
recommended not to exceed two power segments.
★
When a high-power inverter is provided with a low-power motor, the motor
parameters must be entered accurately to prevent the motor from damage as a result of
overload.
The technical specifications of the A90 series inverter are shown in Table 1-2.
Table 1-2 Technical Specifications of A90 Series Inverter
Rated voltage of
power supply
Three-phase 340V-10% to 460V+10%,
Single phase 200V-10% to 240V+10%;
50-60Hz ± 5%; voltage unbalance rate: <3%
The maximum output voltage is the same as the input
power voltage.
Continuous output of 100% rated current
Heavy-duty model:
150% rated current: 60s; 180% rated current: 10s; 200%
rated current: 2s
Light-duty model:
120% rated current: 60s; 150% rated current: 10s; 180%
rated current: 2s
V/F control (VVF); speed sensorless vector control (SVC)
Frequency (speed) input, torque input
Start and stop
control mode
Keyboard, control terminal (two-line control and three-line
control), communication
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