AC Drive

AC Drive


Komal Electrotech Pvt Ltd offers an AC Drive, Model KET-4000T, with sensorless vector control (SVC), V/F control, motor parameters auto-adjustment and independent duct design. This is available in power range from 0.4-2.2 kW for 1-Ø, and 0.75-2000 kW for 3-Ø. The input voltage ranges from 220~230 V ±15% and 380~480 V ±15%. The company belongs to the Komal Group, one of India’s leading enterprises which manufactures, trades and repairs all kinds of industrial electronics and electrical instruments, all at one junction.

  • Fans and pumps
  • Energy saving renovation of central air-conditioning system
  • Water flood pump and fuel supply pump
  • Energy saving renovation of air compressor
  • Circular-water pump, constant water supply
  • Musical fountains, etc.

  • PID control
  • Simple PLC
  • Control mode – sensor less vector control, V/f control, torque control
  • Start-up torque – 0.5 Hz/150% (SVC)
  • Built-in DC reactor (from 18.5 kW to 90 kW) to improve power factor and efficiency
  • Built-in breaking units (from 0.75 kW to 15 kW)
  • If need to stop rapidly, please connect the brake resistance directly
  • Multi-step speed control – 16 steps can be set
  • Offers 8 multi-functional digital inputs (PNP and NPN), 2 analog inputs, 2 relay output, 2 analog output, 1 open-collector output
  • AVR – can output constant voltage automatically when input voltage is fluctuating
  • Offers RS485 serial communication interface, adopts standard Modbus-RTU communication protocol
  • Oscillation suppression function
  • Over-torque detection function
  • Multiple frequency upper limit setting source
  • Dormancy and wake-up function
  • Quick/Jog function – users can look over the parameters which are different from the factory values
  • Speed tracing function – smoothly start the running motor
  • Fault protection – protects from over current, over voltage, under voltage, over temperature, phase failure, over load, etc.

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