EE 403.3 1DEPARTMENT OF TECHNICAL EDUCATION, A.P.Name: Ch Jyothi Designation: Senior LecturerBranch: Electrical EngineeringInstitute : Government Polytechnic, Proddaturear!Semester: I" SemesterSu#$ect: % C &%C'INES ( ICode No: EE()*+,o-ic : Single Phase ,rans.ormersDuration: /* &ins0Su# ,o-ic :Classi.icationo.trans.ormers,eaching %ids: P'1,1S & DI%G2%&SRecapCan you eco!!ec" #$a" #e $a%e !ean" &n !a'" pe&o()In"o(uc"&on "o "an'*o+e ),o-&n. p&nc&p!e o* "an'*o+e)Fea"ue' o* "an'*o+eO/0ec"&%e1Onco+p!e"&on o*"$&'pe&o(, you '$ou!(/e a/!e "o 1) C!a''&*y"an'*o+e' /a'e(on %a&ou' *ac"o' 'uc$ a' nu+/e o* p$a'e', con'"uc"&on an( *unc"&onEE 403.3 3O/0ec"&%e1 EE 403.3 4C!a''&*&ca"&on o* Tan'*o+e'Nu+/e o* P$a'e')2&n.!e P$a'e Tan'*o+e')Po!y3P$a'e Tan'*o+e' a4 53p$a'e Tan'*o+e'/433P$a'e Tan'*o+e'Tan'*o+e' ae c!a''&*&e( /a'e( uponEE 403.3 6C!a''&*&ca"&on o* "an'*o+e' con"(..)7a'e(oncon'"uc"&on)a4 coe"ype)/4 '$e!! "ype) c4 7ey3"ype Core ty-eShell ty-eBerry ty-eEE 403.3 8 C!a''&*&ca"&on o* "an'*o+e' con"(.7a'e( on Func"&onI4Po#e "an'*o+e)2e"up up "an'*o+e)2"ep (o#n "an'*o+eII4D&'"&/u"&on "an'*o+e &' a!#ay' '"ep (o#nC!a''&*&ca"&on o* "an'*o+e' con"(..III4 In'"u+en" "an'*o+e')Cuen" "an'*o+e')Po"en"&a! "an'*o+e'I94 ,e!(&n. "an'*o+e'EE 403.3 :7a'e( on *unc"&onEE 403.3 ;Classi.ication o. trans.ormers contd007a'e( on Nu+/e o* #&n(&n.')2&n.!e #&n(&n. "an'*o+e)Mu!"& #&n(&n. "an'*o+e2&n.!e #&n(&n. Tuency e"cEE 403.3 135hy trans.ormer 6or7s on %C Su--ly only 8,$a" $appen' #$en a "an'*o+e &' connec"e( "o a DC 'upp!y @)T$e *!uA po(uce( /y DC 'upp!y (oe' no" %ay /u" e+a&n' con'"an" &n +a.n&"u(e)A' *!uA e+a&n' con'"an" no e.+.* &' &n(uce( &n "$e p&+ay an( 'econ(ayEE 403.3 145hy trans.ormer 6or7s on %C Su--ly only 8Cont00,$a" $appen' #$en a "an'*o+e &' connec"e( "o a DC 'upp!y @A' "$ee &' no 'e!* &n(uce( e.+.* &n "$e p&+ay #&n(&n. "o oppo'e "$e app!&e( %o!"a.e)A $ea%y cuen" #&!! *!o# "$ou.$ "$e p&+ay #&n(&n.)An( "$&' !a.e cuen" #&!! e'u!" &n "$e (a+a.e o* "$e #&n(&n.EE 403.3 16S9&&%26e have discussed a#out)C!a''&*&ca"&on o* Tan'*o+e'/a'e( on %a&ou'*ac"o' !&-e )Nu+/e o* p$a'e')Con'"uc"&on)Func"&on EE 403.3 18S9&&%2 cond006e have discussed a#out)Nu+/e o* #&n(&n.)Type o* coo!&n. )Loca"&on )Ra"&n. )Fe>uency)ea'on' *o#o-&n. "an'*o+eona.c. 'upp!yon!yEE 403.3 1::9I;14Basedon construction trans.ormers areclassi.iedinto a4 Coe "ype , 2$e!! "ype,7ey "ype /4 2&n.!e p$a'e, T$ee p$a'e c4 E&"$e Ba4 o B/4 EE 403.3 1;:9I;

54Based on no o. -hases trans.ormers are classi.ied intoa4 Coe "ype /4 2$e!! "ype c4 2&n.!e p$a'e an( Po!y p$a'eCUID 34Distri#ution trans.ormersareal6ays ste-(do6ntrans.ormersa4 Tue /4 Fa!'ec4 Ne&"$e

EE 403.3 1=CUID44 ,rans.ormers 6or7son a0c0 su--lyonly a4 Tue/4 Fa!'ec4 Ne&"$eEE 403.3 503re4uentlyas7ede