Top quality VFD Regulate Panels for Exact Motor Pace Regulation by UAE Authorities
For example, with a normal 480 VAC 3-section enter voltage, the DC bus will hold a charge of about 650 VDC, with true bus voltage dependant upon the line voltage degree and motor load. The key reason why the DC bus voltage is increased compared to nominal enter line voltage is as a result of root-suggest-squared measurements of AC sine waves (the â