Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 49, Issue 4, Pages 839-846Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2002.801238
Keywords
medium-voltage drives; multilevel converter; multilevel inverter; power converters
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This paper presents a multilevel converter with regeneration capability. The converter uses several power cells connected in series, each working with reduced voltage and with an active front end at the line side. This paper presents the following: 1) the control method of each cell; 2) the use of phase-shifting techniques to reduce the current and voltage distortion; and 3) criteria to select the connection of the cells. The converter generates almost sinusoidal currents at the load and at the input and works with very high power factor.
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