ee501.70 to 71.ppt

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EE-501-70 to 71 1 DEPARTMENT OF TECHNICAL EDUCATION ANDHRA PRADESH Name : V. Madhusudhana Rao Designation : Senior Lecturer Branch : Electrical & electronics Institution : Govt Polytechnic Bellampalli Year/semester : IV semester Subject : Electrical installation and Estimation Subject Code : EE-501 Topic : Maintenance of Electrical Machines Duration : 100mts

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EE-501-70 to 71 1DEPARTMENT OF TECHNICAL EDUCATIONANDHRA PRADESH Name: V. Mad!"!da#a RaoDe"$%#at$o# : Se#$o& Le't!&e& (&a#' : E)e't&$'a) * e)e't&o#$'"I#"t$t!t$o# : +o,t Po)-te'#$' (e))am.a))$/ea&0"eme"te& : IV "eme"te&S!12e't : E)e't&$'a) $#"ta))at$o# a#d E"t$mat$o#S!12e't Code : EE-501To.$': Ma$#te#a#'e o3 E)e't&$'a) Ma'$#e"D!&at$o# : 100mt"S!1 To.$' : Ma$#te#a#'e o3 'omm!tato&Tea'$#% a$d" : PPT D$a%&am".EE-501-70 to 71 4RECAPI# te .&e,$o!" ')a"" 5e a,e )eat a1o!t :6Sa3et- a" .e&"o#a) * e7!$.me#t.6T-.e" o3 e)e't&$'a) a''$de#t".6P&e.a&e te a''$de#t &e.o&t .EE-501-70 to 71 8 U.o# te 'om.)et$o# o3 t$" ')a""9 -o! 5o!)d 1e A1)e to !#de&"ta#d :6Te ma$#te#a#'e o3 'omm!tato& O(:ECTIVESEE-501-70 to 71 ;COMMUTATOR MAINTENANCE 6Comm!tato& #eed &e%!)a& ma$#te#a#'e a#d 'a&e 3o& o1ta$#$#% t&o!1)e 3&ee "e&,$'e mo"t o3 te .&o1)em" $# D.C Ma'$#e" a&e d!e to 'omm!tato& 6So $t $" #eed to