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Motion control solution (energy saving & better process control): frequency inverter, variable speed drive (VSD), VFD, adjustable frequency drive (AFD), closed loop vector AC drive, motor soft starter, brake units...
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frequency inverters
Contact us:
Shenzhen POWTRAN Technology Co., Ltd.
Email: sales@inverter-china.com 

Product Name: 
440v, 575v, 660v, 690v medium voltage VVVF drive, middle voltage adjustable speed drive
Model:  PI7800   
Product Details:

440v, 575v, 660v, 690v variable speed drive (frequency inverter)

Power range of our vvvf drive: 11kw ~ 630KW (15 hp to 840 hp)
Voltage range: 415VAC, 420 VAC, 440VAC, 480 VAC, 575VAC, 620 VAC, 650 VAC, 660VAC, 690VAC (-15% ~ +15%)
Output frequency: 0.00 ~ 800.00Hz
Central control module based on DSP, realizes high-speed and high performance control.
Integrated V/F control (Scalar Control), V/F+PG control (optional)
Three space voltage vector waveform producing methods.
Dead compensation function, realize low frequency and large output torque control.
Automatic slip compensation.
At most 7 steps speed control, and 8 steps acceleration control can be achieved.
6 programmable output control terminals.
Internal PID function, realizing high performance closed loop control (optional).
PID regulate DC braking.
Speed pursue starting and restarting after momentary power loss.
Forced communicated function, supporting standard RS485 (RS485 card is needed), supplying remote keyboard control function.
Special converse module (IGBT) temperature control function, adjustable fan control, timely reduce motor noise and temperature.
High-efficient faults query and record function, conveniently obviate the fault.
Function of protection for Parameter 
good design, and make frequency converter little pollution to the power.
Outstanding behave for 3-phase AC synchronous motor of permanent magnetism control.
Control mode: Vector control with PG (VC) (optional), V/F control (Scalar Control)
Overload capacity: 150% rated current for 60s (SVC), 180% rated current for 10s (VC)
Multi-functional Quick/Jog key. So can access common used parameter quickly
Ambient temperature: -10~40 degree
Altitude: 0~1000 m, 1000~4000 m with derating
30 kinds of protection function
People can plug in option card to achieve specialized inverter for different application
Avoid high temperature and moisture, and avoid being wetted due to raining, with the humidity below 90%RH (not dewing).

Application of 440v, 575v, 660v, 690v medium voltage VVVF drive, middle voltage adjustable speed drive:
Big fans, pumps, paper plant, cement plant, sugar refinery, Injection molding machine, Air compressor, Pressing machine, Air conditioner, Power plant, Water supply, Iron & steel, Petrochemical, Oil & gas

Applied to worldwide, such as North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe. Have been the reliable supplier of 440v, 575v, 660v, 690v low voltage & medium voltage VVVF drives, middle voltage adjustable freqeuency drives.

Widely applied in the world by our clients for energy efficiency and speed adjustment.

First rate quality, same as that of some models of ABB, Siemens, Danfoss and other world famous brand, but with much lower cost! Reasonable cost for you to choose!

Power range from 15 hp to 840 hp




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A leading manufacturer and supplier of first rate variable speed drive,frequency inverter, PWM vvvf drive, vector control ac drive, motor soft starter, servo motors and drives, EMI filters, voltage: 220V, 380v, 400 v, 415v, 460V, 480V,575v, 660v,690V, 1140 VAC, and above, power: 1 hp to 840 hp (0.4kw to 630kw) or above.
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