... ,renesas chip from Japan and Capacitance is rubyc Frequency inverter(frequency converter,ac inverter)1.ApplicationThis type is economic,high-efficiency,stable,adopting ... .However,the price is only 50% of them.2.UsageFU9000 series is designed according to the complicated driving technics to satisfy ... current,output voltage,DC bus voltage and rotation direction. 22KW General frequency inverter