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High quality dc ac inverter frequency inverter (AC drive)
PI9000 series inverters are high performance open loop vector inverter for controlling asynchronous AC induction motors and permanent magnet synchronous motors.

Why choose Powtran?
1,Quality---30 years manufacturing experience proves the reliable quality,hold 2 factories 10,000 Square meters in Shenzhen and Dalian with more than 500 staff workers
2,Price---competitive Wholesale price in the market which can let you beat the local competitors
3,Warranty---afford all the cost during the 15 months warranty
4,Marketing Support---all the fliers are provided freely & Exhibition fund support
5,Service---30 technicians for your service
6,Delivery---fast delivery for small orders from 0.75-45KW at stock. 10-15 days delivery for the orders @20,000USD.
7,International Market---worldwide distributor (UK,Germany,France,Italy etc),Asian (Singpore,Malaysia,Indonesia,Thailand Vietnam etc),North America ,South Africa etc.

PI9000 Specification
| Item |
Specification |
| Control |
Voltage and frequency levels |
Single-phase 220,50/60Hz Three-phase 220V,50/60Hz |
| Three-phase 480V,50/60Hz 380,50/60Hz |
| 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 300Hz V/F control:0 to 600Hz |
| 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 |
| Communication |
RS485/RS232/CANBUS/PROFIBUS |
The optional completely isolated RS485/RS232/CANBUS/PROFIBUS communication module can communicate with the host computer. |
| Product standard |
Product adopts safety standards. |
IEC61800-5-1:2007 |
| Product adopts EMC standards. |
IEC61800-3:2005 |
| Cooling method |
Forced air cooling and natural air cooling |
Powtran PI9100 series frequency inverter (0.75kw~7.5kw)

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Powtran PI9300 series frequency inverter(187kw~355kw)

Products inside structure

Picture on-site


Powtran factory


Packaging & Shipping
Enough stock&Professional packing



