DEPARTMENT OF TECHNICAL EDUCATION,A.P.Name : Ch Jyothi Designation: enio! Le"t#!e!$!an"h: E%e"t!i"a% AND E%e"t!oni"s Enginee!ingInstit#te : &o'e!nment Po%yte"hni" P!o((at#!)ea!*emeste! : I+ emeste!#,-e"t: A C MACHINE . ICo(e No: EE./01To2i" : ing%e Phase T!ans3o!me!sD#!ation: 400 Mins.#, To2i": Int!o(#"tion 5 6o!7ing 2!in"i2%e o3ing%e Phase T!ans3o!me!8Tea"hing Ai(s: PHOTO 5 DIA&RAM4 EE/01.4to9EE/01.4.99:Im2o!tan"e o3 a t!ans3o!me!:Feat#!es o3 a t!ans3o!me!:6o!7ing 2!in"i2%e o3 a t!ans3o!me!O,-e"ti'es:On "om2%etion o3 this 2e!io(, yo# ;o#%( ,e a,%e to:EE/01.4.91Can yo# 2oint ;he!e t*3 #se( :A moto! "on'e!ts e%e"t!i"a% 2o;e! to me"hani"a% 2o;e!:A gene!ate "on'e!ts me"hani"a% 2o;e! to e%e"t!i"a% 2o;e!T!ans3o!me!EE/01.4.9 ?T!ans3o!me! EE/01.4.9 @Int!o(#"tion to T!ans3o!me!sDefinition:A t!ans3o!me! is a stati" A(e'i"e8 AC Ma"hine ;hi"h t!ans3e!s e%e"t!i"a% ene!gy 3!om one e%e"t!i"a% "i!"#it to anothe! e%e"t!i"a% "i!"#it ;itho#t "hange o3 3!eB#en"y th!o#gh a "ommon magneti" A3ie%(8 3%#CEE/01.4.9 DInt!o(#"tion to t!ans3o!me!s:E%e"t!i"a% ene!gy is gene!ate( at 2%a"es ;he!e it is easie! to get ;ate! hea( an( "oa% 3o! hy(!o an( the!ma% 2o;e! stations.:E%e"t!i"a% ene!gy gene!ate( is to ,e t!ansmitte( to "onsi(e!a,%e (istan"es 3o! #se in to;ns, "ities an( 'i%%ages:T!ansmission o3 e%e"t!i"a% ene!gy at high 'o%tages is e"onomi"a%EE/01.4.9 40Int!o(#"tion to t!ans3o!me!s: E%e"t!i"a% Ma"hines a!e !eB#i!e( 3o! ste22ing #2 the 'o%tage at gene!ating stations: E%e"t!i"a% Ma"hines a!e !eB#i!e( 3o! ste22ing (o;n the 'o%tage at 2%a"es ;he!e it is to ,e #se(: E%e"t!i"a% ma"hine #se( 3o! this 2#!2ose is 7no;n as TRANFORMEREE/01.4.9 44Int!o(#"tion to t!ans3o!me!s:No e%e"t!i"a% "onne"tion is 2!esent ,et;een the t;o ;in(ing:Magneti" %in7age eCists ,et;een the t;o ;in(ings:The magneti" %in7age is 2!o'i(e( th!o#gh a 2ath o3 %o; !e%#"tan"eP!ima!y ;in(ingEE/01.4.9 49Int!o(#"tion to t!ans3o!me!:A t!ans3o!me! ,asi"a%%y "onsists o3 t;o ;in(ings ;hi"h a!e ;o#n( on a so3t i!on o! si%i"on stee% "o!e:The ;in(ing ;hi"h is "onne"te( to the s#22%y mains is 7no;n as 2!ima!y ;in(ing:The ;in(ing ;hi"h is "onne"te( to the %oa( is 7no;n as se"on(a!y ;in(ing416o!7ing 2!in"i2%e o3 t!ans3o!me!s:The t!ans3o!me! ;o!7s on the 2!in"i2%e o3M#t#a% in(#"tion ,et;een t;o magneti"a%%y "o#2%e("oi%s :Is ,ase( onFa!a(ayEs%a;s o3E%e"t!omagneti" In(#"tion=0HF=0HFEE/01.4.9 4/6o!7ing 2!in"i2%e o3 t!ans3o!me! "ont(..:6hen 2!ima!y ;in(ing is "onne"te( to AC s#22%y mains a "#!!ent 3%o;s th!o#gh it:This "#!!ent 2!o(#"es an a%te!nating 3%#C in the "o!e:This 3%#C %in7s ;ith 2!ima!y ;in(ing an( 2!o(#"es se%3 in(#"e( e.m.3 in the 2!ima!y ;in(ing ;hi"h o22oses the a22%ie( 'o%tage=0HFEE/01.4.9 4=6o!7ing 2!in"i2%e o3 t!ans3o!me! "ont(..:This 3%#C 2asses th!o#gh the "o!e an( %in7s ;ith the se"on(a!y ;in(ings to in(#"e an e.m.3 "a%%e( m#t#a%%y in(#"e( e.m.3 in the se"on(a!y ;in(ing:The 3!eB#en"y o3 the em3 in(#"e( in the se"on(a!y is same as that o3 the 3%#C o! that o3 the s#22%y 'o%tageEE/01.4.9 4>6o!7ing 2!in"i2%e o3 t!ans3o!me! "ont(.,:The in(#"e( em3 in the se"on(a!y ;in(ing ;i%% ,e a,%e to "i!"#%ate the "#!!ent in the eCte!na% %oa( "onne"te( to it:Ene!gy is t!ans3e!!e( 3!om 2!ima!y ;in(ing to the se"on(a!y ;in(ing ,y e%e"t!o.magneti" in(#"tion 2!in"i2%e ;itho#t "hange o3 3!eB#en"y50 HzEE/01.4.9 4?te2 #2 t!ans3o!me!:6hen the t!ans3o!me! !ises the 'o%tage it is "a%%e( ste2.#2 t!ans3o!me!:In ste2 #2 t!ans3o!me! the o#t2#t 'o%tage is highe! than in2#t 'o%tageEE/01.4.9 4@te2 (o;n t!ans3o!me!:6hen the t!ans3o!me! !e(#"es the 'o%tage it is "a%%e( ste2.(o;n t!ans3o!me!:In ste2.(o;n t!ans3o!me! the o#t2#t 'o%tage is %ess than in2#t 'o%tageUMMAR)6eha'e(is"#sse(a,o#t:Im2o!tan"e o3 a t!ans3o!me!:Feat#!eso3 a T!ans3o!me!:6o!7ing2!in"i2%e o3 a t!ans3o!me!EE/01.4.9 4DIn this session ;e ha'e %ea!nt a,o#t:GUIH48 T!ans3o!me!is ;hi"h ty2e o3 E%e"t!i"a% Ma"hine a8 tati"a.". ma"hine ,8 tati"(.". ma"hine "8 Rotatinga.". ma"hine (8 Rotating(.". ma"hine EE/01.4.9 90GUIH 98T!ans3o!me!;o!7s on the 2!in"i2%e o3 a8 M#t#a% in(#"tion ,et;een t;o "oi%s ,8 M#t#a%"on(#"tion ,et;een t;o "oi%s "8 e%3 in(#"tion ,et;een t;o "oi%s (8 None o3 the a,o'eEE/01.4.9 94GUIH18T!ans3o!me! "on'e!ts e%e"t!i"a%ene!gy 3!om onee%e"t!i"a% "i!"#itto anothe!e%e"t!i"a%

"i!"#it;itho#t"hange in a8 F!eB#en"y,8 +o%tage"8 C#!!ent(8 None o3 the a,o'eEE/01.4.9 99GUIH=8The;in(ing"onne"te( to the s#22%y mains is "a%%e(a8 e"on(a!y ;in(ing ,8 P!ima!y ;in(ing"8 A#Ci%ia!y ;in(ing (8 None o3 the a,o'eEE/01.4.9 91GUIHEE/01.4.9 9/>8The ;in(ing "onne"te( to the %oa( is 7no;n asa8 e"on(a!y ;in(ing,8 P!ima!y ;in(ing "8 Te!!ito!y ;in(ing(8 None o3 the a,o'e9= EE/01.4.9FREGUENTL)AIED EJAMINATION GUETION48 De3ineT!ans3o!me!