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 rated load
Input power quality
18-pulse and 36-pulse meet IEEE 519 [...]
Schneider Electric Altivar 1000 medium voltage drive:
Altivar 1000
Topology
3-level Neutral Point Clamped Voltage Source Inverter
Input section
Diode 12-pulse or 24-pulse or HV IGBT based 3L-NPC AFE
Input voltage
2300V, 3300V
Efficiency
99% at rated load for drives with diode rectifier (without input transformer), no data for active front end rectifier
Input power quality
12-pulse IEEE 519 compliance – In/Isc ratio dependent, 24-pulse and [...]
Ansaldo Sistemi Industriali (ASI) medium voltage drives technical data:
Silcovert TN
Topology
3-level Neutral Point Clamped Voltage Source Inverter
Input section
Diode 12-pulse or 24-pulse or HV IGBT based 3L-NPC AFE
Input voltage
3300V
Efficiency
>98% at rated load for drives with diode rectifier, AFE – no data
Input power quality
12-pulse IEEE 519 compliance – In/Isc ratio dependent, 24-pulse and AFE meets IEEE 519; PF>0.96 [...]
