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Active inverter output filtering methods
(Lappeenranta University of Technology, 2012-10-12)
Frequency converters are widely used in the industry to enable better controllability and efficiency
of variable speed AC motor drives. Despite these advantages, certain challenges
concerning the inverter and motor ...
Active du/dt Filtering for Variable-Speed AC Drives
(Lappeenranta University of Technology, 2009-12-17)
An oscillating overvoltage has become a common phenomenon at the motor terminal in inverter-fed variable-speed drives. The problem has emerged since modern insulated gate bipolar transistors have become the standard choice ...