Texts/References:
        
          - Muhammad H. Rashid, “Power    Electronics: Circuits, Device and Applications”, 2nd Ed. 1993,    Prentice-Hall, Inc.
 
          - Ned Mohan, T M Undeland, W P Robbins, “Power Electronics: Converters, Application and Design”, John    Wiley, 3rd Edition, 2003
 
          - Thedore Wildi , “Electrical    Machines, Drives and Power System”, Prentice Hall International, Inc,    1997.
 
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