Find out Highly developed VFD Control Panels for Power-Successful Motor Speed Regulation
For example, with an average 480 VAC three-period enter voltage, the DC bus will hold a demand of about 650 VDC, with precise bus voltage depending on the line voltage level and motor load. The reason the DC bus voltage is increased compared to the nominal input line voltage is due to root-signify-squared measurements of AC sine waves (the “peaks