WEM CHH SERIES HIGH VOLTAGE AC DRIVES 315kW~7100kW
3 phase 3.3KV/6.6KV/10kV/11KV 315kW~7100kW
High integrated techology 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, tempeartureand 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.