CHH High Voltage (315~7100KW)

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VFD, CHH Series High Voltage (3.3/6.6/10KV) Frequency Inverter

3 phase 3.3KV/6.6KV/10kV 315kW~7100kW

  • High integrated technology and completely digital control system, good anti interference ability.
  • Control system power supply redundant design.
  • Multi monitor for power units
  • Power unit bypass function to achieve power unit redundant design.
  • Standard RS485terminal to communicate with DCS.
  • More than 30 kinds of protection for inverter, motor.
  • Full parameters record, temperature and DC bus of each power unit can be monitored and indicated in display.
  • High efficiency=98% and power factor=0.96, low harmonic design<2%.
  • DSP control system optimize modulated waveform to ensure perfect waveform without harmonics
  • Better energy saving function. Self-regulation for voltage when detecting light load to save energy.
  • Big voltage, current margin design.adopt 1700V IGBT, twice voltage margin, twice current margin
  • System and power unit bypass function. Inverter can auto switch between power frequency and variable frequency. Bypass failed power unit ,the inverter run continuously derating
  • Speed trace function
  • Wide national grid voltage fluctuation range ±15%.
  • Adopt back-in-front-out wiring for power unit.
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