PRIME VFD PANELS FOR COST-POWERFUL MOTOR PACE OPTIMIZATION BY UAE EXPERTS

As an example, with a typical 480 VAC 3-phase input voltage, the DC bus will hold a charge of about 650 VDC, with true bus voltage dependant upon the line voltage level and motor load. The main reason the DC bus voltage is increased in comparison to the nominal enter line voltage is mainly because of the root-imply-squared measurements of AC sine w