TOP QUALITY VFD PANELS FOR EXACT PACE COMMAND BY UAE ELECTRICAL AUTHORITIES

As an example, with a normal 480 VAC three-phase enter voltage, the DC bus will keep a demand of about 650 VDC, with real bus voltage dependant upon the line voltage level and motor load. The rationale the DC bus voltage is larger than the nominal input line voltage is a result of the root-suggest-squared measurements of AC sine waves (the “peaks