POWTRAN Inverter 0.75kw 1.5 Kw 2.2 Kw 4kw 5.5kw AC Drives 1 Phase and 3 Phase 380v AC 220v 240V 380v 440v 690v Triple 0-1000A

Control

Voltage and frequency levels

Single-phase 220V,50/60Hz Three-phase 220V,50/60Hz

Three-phase  380V,50/60Hz  480V,50/60Hz 

Three-phase 690V,50/60Hz

Allowable fluctuation

Voltage:±10% Frequency:±5%

Control system

High performance vector control inverter based on DSP

Output frequency

Vector control:0 to 320Hz V/F control:0 to 3200Hz

Control method

V/F control, vector control W/O PG, vector control W/ PG

Automatic torque boost function

Realize low frequency (1Hz) and large output torque control under the V/F control mode.

Acceleration/deceleration control

Straight or S-curve mode. Four times available and time range is 0.0 to 6500.0s.

V/F curve mode

Linear,square root/m-th power,custom V/F curve

Over load capability

G type:rated current 150% - 1 minute, rated current 180% - 2 seconds

F type:rated current 120% - 1 minute, rated current 150% - 2 seconds

Maximum frequency

Vector control:0 to 300Hz V/F control:0 to 600Hz

Carrier Frequency

0.5 to 15kHZ;automatically adjust carrier frequency according to the load characteristics.

Input frequency resolution

Digital setting: 0.01Hz Analog setting: maximum frequency×0.025%

Start torque

G type: 0.5Hz/150% (vector control W/O PG) F type: 0.5Hz/100% (vector control W/O PG)

Speed range

1:100 (vector control W/O PG) 1:1000 (vector control W/ PG)

Steady-speed precision

Vector control W/O PG: ≤ ± 0.5% (rated synchronous speed)

Vector control W/ PG: ≤ ± 0.02% (rated synchronous speed)

Speed control accuracy

Vector control W/O PG≤±0.3% ( rated synchronous speed )

Torque response

≤ 40ms (vector control W/O PG)

Torque boost

Automatic torque boost; manual torque boost(0.1% to 30.0%)

DC braking

DC braking frequency: 0.0Hz to max. frequency, braking time:
0.0 to 36.0 seconds, braking current value: 0.0~100.0s

Jogging control

Jog Frequency Range: 0.00Hz to max. frequency;
Jog Ac/deceleration time: 0.0s~6500.0s

Multi-speed operation

Achieve up to 16-speed operation through the control terminal

Built-in PID

Easy to realize closed-loop control system for the process control.

Automatic voltage regulation(AVR)

Automatically maintain a constant output voltage when the voltage of electricity grid changes

Torque limit and control

"Excavator" feature - torque is automatically limited during the operation to prevent frequent
overcurrent trip;the closed-loop vector mode is used to control torque

Running method

Keyboard/terminal/communication