TY - BOOK AU - Dharani Venkatakrishnan TI - Operations research : principles and problems CY - Coimbator KW - AC/DC Machines KW - Armature reactionand commutation KW - DC generators KW - Electrical and electronics engineering KW - Electrical technology KW - Energy conversion -- Electro-mechanical KW - Motors -- Electrical motors KW - Transformer N1 - 0 Reprint year 1997. Includes index ER -