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2. Multipulse converter circuits;Trainer,2006
3. Multipulse converter system;Paice,1989
4. Modular multipulse transformer rectifier for use in symmetric multilevel power converter;Abolhassani;United States Patent,2012
5. Modular multipulse transformer rectifier for use in asymmetric multilevel power converter;Abolhassani;United States Patent,2010