LS Industrial Systems has recently entered the medium voltage drives market with the new product – LSMV. It is a cascaded multilevel H-bridge type inverter. Technical specifications of the drive are available below. LSMV Topology Cascaded H-Bridge Multilevel Inverter Input section Diode 18-pulse or 36-pulse rectifier Input voltage 3300V, 4160V, 6600V, 10000V Efficiency 97% at [...]
ABB has recently introduced a new medium voltage drive – ACS 2000. It is IGBT based five-level diode-clamped* voltage source inverter. Main product features according to the manufacturer documentation are: AFE 5-level IGBT rectifier with transformerless design** (direct-to-line connection is possible), two-winding input transformer is an alternative, full load/speed input power factor correction and regenarative [...]
Rockwell Automation manufactures three medium voltage drive types – all of them are CSI topology. The main differences between types are: power range, input section configuration, cabinets design – footprint, cooling and control voltage. PowerFlex 7000A ‘A’ Frame Topology Current Source Inverter Input section PWM SGCT based rectifier with input capacitors, 6-pulse SCR rectifier, 6 [...]
