EE 403.5 1DEPARTMENT OF TECHNICAL EDUCATION,A.P.Name: Ch Jyoh! De"!#$a!o$: %e$!o& Le'(&e&)&a$'h: E*e'&!'a* E$#!$ee&!$#I$"!(e : +o,e&$me$ Po*ye'h$!' P&o--a(&.ea&/%eme"e& : I0 %eme"e&%(12e': A C MACHINE% 3 ICo-e No: EE3403To4!' : %!$#*e Pha"e T&a$"5o&me&"D(&a!o$: 50 M!$".%(1 To4!': Co$"&('!o$ -ea!*" o5 &a$"5o&me&Tea'h!$# A!-": PHOTO% 6 DIA+RAM%Recap78o&9!$# 4&!$'!4*e o5 &a$"5o&me&7Fea(&e" o5 &a$"5o&me& 7C*a""!5!'a!o$ o5 &a$"5o&me&"7Co$"&('!o$ -ea!*" o5 &a$"5o&me&EE 403.5 3o$ 'om4*e!o$ o5 h!" 4e&!o-, yo( :o(*- 1e a1*e o:7 U$-e&"a$-he 'o$"&('!o$a* -ea!*" o5 a &a$"5o&me&Objective::ha a&e he 1a"!' 4a&" o5 a &a$"5o&me&;7 'o&e7:!$-!$#EE 403.5 4EE 403.5 5Transformer construction)a"e- o$ 'o$"&('!o$ he &a$"5o&me&" a&e -!,!-e- !$o h&ee y4e"7Co&e3y4e7%he**3y4e7)e&&y3y4eEE 403.5 Transformer construction7 P&!ma&y a$- "e'o$-a&y :!$-!$#" a&e "4*! !$ :o 4a&"7 Ha*5 he 4&!ma&y a$- ha*5 he "e'o$-a&y :!$-!$#" a&e 4*a'e- "!-e 1y "!-e 'o$'e$&!'a**y7 Co!*" a&e o5 'y*!$-&!'a* y4e a$- :o($- !$ he*!'a* *aye&"7 D!55e&e$ *aye&" a&e !$"(*ae- 5&om ea'h ohe& 1y 4a4e&, '*oh o& m!'aEE 403.5 ?Transformer constructionFo& *o: 6 me-!(m ,o*a#e7 D!"&!1(!o$ a$- 4o:e& &a$"5o&me&"7 Re'a$#(*a& "ha4e- 'o&e !" ("e-7 Re'a$#(*a& "ha4e- 'o!*" a&e ("e- 5o& &e'a$#(*a& 'o&e"EE 403.5 @Transformer constructionFo& h!#h ,o*a#e -!"&!1(!o$ a$- 4o:e& &a$"5o&me&"7 %A(a&e a$- "e44e- 'o&e" a&e ("e-7 C!&'(*a& 'o!*" a&e ("e- 1e'a("e o5 he!& "(4e&!o& me'ha$!'a* 'ha&a'e&!"!'"EE 403.5 10Transformer constructionFo& ,e&y *ae &a$"5o&me&"7 Co&e "e44!$# !" -o$e7 Co&e "e44!$# #!,e" h!#h "4a'e 5a'o&

7 Re-('e" he mea$ *e$#h o5 he (&$" a$- he$'e he 'o44e& *o""e"EE 403.5 11Transformer construction%he** y4e &a$"5o&me&7 8!$-!$#" a&e :o($- o$ he 'e$&a* *!m1 o5 h&ee *!m1e- 'o&e7 Ha" -o(1*e ma#$e!' '!&'(!7 Ce$&a* *!m1 'a&&!e" he ma!$ 5*(=EE 403.5 1BTransformer construction7 The :o "!-e *!m1" 'a&&!e" ha*5 o5 he oa* 5*(=7 Co&e "(&&o($-" a 'o$"!-e&a1*e 4o&!o$ o5 he :!$-!$#"7 Lo: ,o*a#e :!$-!$# !" :o($- $ea& he 'o&e7 Co!*" a&e 5o&m3:o($- m(*!*aye& -!"' y4e !$ 5o&m o5 4a$'a9e"7 %he** y4e &a$"5o&me&" a&e &o1("EE 403.5 13Transformer construction7Cho!'e o5 'o&e o& "he** y4e !" -ee&m!$e- 1y 'o" a" "!m!*a& 'ha&a'e&!"!'" a&e o1a!$e- 5&om 1oh70e&y h!#h ,o*a#e &a$"5o&me&" a&e "he** y4e 1y ma$y ma$(5a'(&e&"EE 403.5 14Transformer construction)e&&y y4e &a$"5o&me&"7 Co&e 'o$"!"" o5 -!"&!1(e- ma#$e!' '!&'(!7 N(m1e& o5 !$-e4e$-e$ ma#$e!' '!&'(!" a&e mo&e ha$ :o7 Ma#$e!' 'o&e" a&e !$ he "ha4e o5 &e'a$#(*a& 5&ame"EE 403.5 15Transformer construction7 O$e *!m1 o5 a** he 5&ame" 4a""e" h&o(#h he 'e$&e o5 he 'o&e7 Ohe& *!m1" a&e 9e4 a&o($- he 'o!*"7 Th!" a&&a$#eme$ :!** #!,e ma$y 4a&a**e* 4ah" a" he $(m1e& o5 5&ame"7 A44*!'a!o$ o5 h!" y4e o5 &a$"5o&me& !" *!m!e- -(e o ma$(5a'(&!$# -!55!'(*!e"SUMMARY :e ha,e -!"'(""e- a1o( 7Co$"&('!o$a* -ea!*" o5 a &a$"5o&me& EE 403.5 1< CUID1E The transformer core is divided into E, I, , U sections aE T&(e 1E Fa*"e 'E Ne!he& EE 403.5 1> CUID

BE !or ver" hi#h vo$ta#e app$ications she$$ t"pe transformers are used aE T&(e 1E Fa*"e 'E Ne!he&EE 403.5 1?!re%uent$" as&ed e'amination %uestions: 1E E=4*a!$ he 'o&e y4e &a$"5o&me& :!h $ea -!a#&am;BE E=4*a!$ he "he** y4e &a$"5o&me& :!h $ea -!a#&am;EE 403.5 1@T(A)* YOU