medium voltage VVVF drive
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ac synchronous motor
440v, 575v, 660v, 690v medium voltage VVVF drive, middle voltage adjustable speed drive
Power range of our vvvf drive: 11kw ~ 630KW
Voltage range: 440V, 575V, 660v, 690V (-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, V/F+PG control
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.
PID regulate DC braking.
Speed pursue starting and restarting after momentary power loss.
Forced communicated function, supporting standard RS485, 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 Paramater
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) , V/F 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
Applicated 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 medium voltage VVVF drives, middle voltage adjustable frqeuency drives.