Project Report Rekha

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    INDUSTRIAL TRAINING REPORT

    ON

    AC DC POWER SUPPLY

    FROM

    POWERTEC SUPPLIES INDIA PVT. LTD.

    BACHELOR OF TECHNOLOGY

    IN

    ELECTRONICS & COMMUNICATION ENGG.

    UNDER THE GUIDANCE OF

    MR. V.K.KHANNA

    (HEAD OF OPERATIONS R&D)

    POWERTEC SUPPLIES INIDIA PVT. LTD

    .

    TEK CHAND MANN COLLEGE OF ENGINEERING

    GANNAUR (SONEPAT)

    SUBMITTED TO: SUBMITTED BY:Mr. DHEERAJ VINOD SAINI

    H.O.D. OF ECE DEPT. ROLL NO: 11!1"!##$

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    ACKNOWLEDGEMENT

    Training is an agglomeration of the theoretical and practical and

    technical concepts, which enhances our skills in the filed of technology.

    Training plays a strong role in the building up of strong personality.

    Training at POWERTEC !PP"#E #$%#& P'T."T%. is a learning

    e(perience.

    # would like to thank POWERTEC for pro)iding us the opportunity to

    carry out my industrial training. #t is a wonderful e(perience working with

    learned people of the institute.

    # am e(tremely thankful to *r.'.+.+&$$& -ead of training

    department for allowing us to carry on my training at this prestigious

    organi/ation. # am e(tremely indebted to him for allowing us to train

    myself in )arious processes carried out in institute and helping me to do

    my 0ob properly.

    # feel duty bound to e(press my sincere token of gratitude to *r.

    %e)ender ingh and *r. &shish 1ain for their e(cellent e(pert guidance,

    moti)ation and all the help, which has powered me to here today. They

    e(plained the technicalities to me, which will remain of great help to me

    in times to come.

    # e(press my gratitude to all the employees for their immense support

    and cooperation.

    # am also thankful to those to whom # ha)e forgotten to mention.

    VINOD SAINI

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    PREFACE

    Training is an agglomeration of the theoretical and practical and

    technical concepts, which enhances our skills in the field of technology.

    Training plays a strong role in the building up of strong personality.

    Training at ilicon technical institute is a learning e(perience.

    The training report has been de)eloped as a part of the industrial

    training that *%!, Rohtak re2uires its students to undergo after the fifth

    semester of the curriculum the purpose of the industrial training is to

    familiari/e the students of the 3achelor or engineering course with the

    present working en)ironment in the country.

    To pro)ide them to study with the latest trends those ha)e been

    established and edged a well as the one4s that are being de)eloped in

    the country. *oreo)er to make students feel sure that whate)er they are

    learning in this training period would certainly help them for the futurecourses of action and help them to de)elop their potential and technical

    skills.

    To allow them to e(plore )arious fields and to better e2uip them as a

    professional in the time to time.

    The training is being carried out at POWERTEC !PP"#E #$%#&

    P'T."T%. is &n #O 56678966: Certified Company situated at 3;779 ,

    Phase;##, $oida;967

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    TABLE OF CONTENTS

    7 Company Profile >>>>>>>>>>>>>>>>>7 ? @

    9 Power upply................................................................=A B

    >>>>>>>>5 ; @9

    = #ntroduction to Regul[email protected]

    B #ntroduction to ilter Circuit [email protected]

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    POWERTEC SUPPLIES INDIA PVT.LTD.

    Pr%'

    P%*r+, , was form! "# $%% w"' ' o*+'" 'o offr ' E-+'ro#"+

    I#!s'r/ "# I#!"a 0a-"'/ 1owr 1ro!+'s +o#form"#2 'o I#'r#a'"o#a- s'a#!ar!s.

    Powr'+ was s'a-"s! w"' ' a"m of !s"2#"#2, !-o1"#2 ma#fa+'r"#2

    a#! mar3'"#2 'o1 of ' -"# 1ro!+'s "# S*'+,- M% P%*r

    S/00'(SMPS)2 AC3DC 45 DC3DC ,%56r+r for ' 0a-"'/ +o#s+"os

    I#!"a# +o#smr.

    I# $%%4, Powr'+ #'r! "# 'o a# a2rm#' w"' Cos- Co. L'!. 5a1a# for

    #a'"o#a- !"s'r"'"o# of Powr s11-"s a#! +o#r'ors. Cos- "s o# of ' mos'

    rs1+'! ra#!s "# ' I#'r#a'"o#a- 1owr s11-/ "#!s'r/.

    I# 677 V',%r C%r0. USAa11o"#'! P%*r+,as ' a'or"8! !"s'r"'ors "#

    I#!"a for '"r 1ro!+'s +o#s"s'"#2 of Powr Co#rs"o# +om1o##'s -"3 DC9

    DC & AC :DC Co#r'rs a#! 1owr s11-"s.

    S"#+ "#+1'"o#, ' ra#! #am 7P%*r+,8 as # w-- s'a-"s! for "'s

    "2 0a-"'/ 1ro!+' -"#s. D-o1"#2 "##oa'" 1ro!+'s w"' ' -a's'

    '+#o-o2/ "s ' +or s'r#2' of Powr'+. R0"rm#'s +a# m' /

    s'a#!ar! or +s'om"8! 1ro!+'s as! o# C% & V',%r P%*r /00' 45

    ,%56r+r.

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    P%*r S/009

    ; I# a !"2"'a- +"r+"' 1owr s11-/ o-'a2 --s ar +o#s'ra"#! 'o 'wo

    !"s'"#+' a-s

    :

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    Pr'5+ C'r,/'+ B%4r

    ; E-+'ro#"+ +om1o##'s ar of'# assm-! a#! "#'r+o##+'! o# a f-a'

    srfa+ 3#ow# as a +"r+"' oar!.

    ; T sra- '/1s of @"s'"#2 +"r+"' oar!s ma/ !""!! "#'o 'wo

    roa! +a'2or"sB

    : 'os "#'#!! for 1ro'o'/1 or @1r"m#'a- +"r+"'s>

    : a#! 'os "#'#!! for 1ro!+'"o# a#!or +ommr+"a- sa-.

    ; C"r+"' oar!s s! for @1r"m#'a- wor3 ar of'# rfrr! 'o as

    ra!oar!s or 1ro'ooar!s.

    ; Pro!+'"o# +"r+"' oar!s ar !s"2# sa--/ s"#2 s1+"a-"s! CAD

    sof'war (.2. OrCAD, Pro'-, '+..). O#+ ' !s"2# "s +om1-'!, '

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    PC as 'o ma#fa+'r!. T/1"+a- s'1s ar sow# "# ' 1"+'r.

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    ELECTRONIC DEVICES

    A# -+'ro#"+ +om1o##' "s a#/ "#!""s"- -+'ro#"+ "-!"#2 -o+3 1a+3a2!

    "# a !"s+r' form w"' 'wo or mor +o##+'"#2 -a!s or m'a--"+ 1a!s.

    Com1o##'s ar "#'#!! 'o +o##+'! 'o2'r, sa--/ / so-!r"#2 'o a

    1r"#'! +"r+"' oar!, 'o +ra' a# -+'ro#"+ +"r+"' w"' a 1ar'"+-ar f#+'"o#

    (for @am1- a# am1-"f"r, ra!"o r+"r, or os+"--a'or). Com1o##'s ma/

    1a+3a2! s"#2-/ (rs"s'or, +a1a+"'or, 'ra#s"s'or, !"o! '+.) or "# mor or -ss

    [email protected] 2ro1s as "#'2ra'! +"r+"'s (o1ra'"o#a- am1-"f"r, rs"s'or arra/,

    -o2"+ 2a' '+). A+'" +om1o##'s ar som'"ms +a--! !"+s ra'r 'a#

    +om1o##'s.

    ELECTRICAL RESISTANCE:

    E,+r',4 r'+45, "s a masr of ' !2r 'o w"+ a# o*+' o11oss '

    1assa2 of a# -+'r"+ +rr#'. T S- #"' of -+'r"+a- rs"s'a#+ "s ' om,

    T 0a#'"'/ of rs"s'a#+ "# a# -+'r"+ +"r+"' !'rm"#s ' amo#' of

    +rr#' f-ow"#2 "# ' +"r+"' for a#/ 2"# o-'a2 a11-"! 'o ' +"r+"'.

    RV 3 I

    wr

    R "s ' rs"s'a#+ of ' o*+', sa--/ masr! "# oms, 0"a-#' 'o

    5.sC6

    V "s ' 1o'#'"a- !"ffr#+ a+ross ' o*+', sa--/ masr! "# o-'s

    "s ' +rr#' 1ass"#2 'ro2 ' o*+', sa--/ masr! "# am1rs

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    Rs"s'ors ar 'wo9'rm"#a- !"+s 'a' rs'r"+', or rs"s', ' f-ow of +rr#'.

    T -ar2r ' rs"s'or, ' -ss +rr#' +a# f-ow 'ro2 "' for a 2"# o-'a2

    (a# 0a'"o# 3#ow# as Oms -aw, V$$, r-a's +rr#', rs"s'a#+, a#!

    o-'a2). E-+'r"+a- rs"s'a#+ w"'"# ' rs"s'or o!/ "s +as! / '

    +o--"s"o#s of -+'ro#s "# mo'"o# 'ro2 ' rs"s'or. S+ +o--"s"o#s +as

    #r2/ 'o !"ss"1a'! "# ' form of a' or -"2' (as "# a 'oas'r or -"2' -).

    Rs"s'a#+ "s masr! "# Oms 9 a $ Om rs"s'or "s r-a'"-/ sma--, a#! a

    $77Om rs"s'or "s r-a'"-/ -ar2. Rs"s'ors f"#! ma#/ ss "# -+'ro#"+

    s/s'ms, O# ' D"2"-a oar!, rs"s'ors ar s! 'o -"m"' ' +rr#' 'a' f-ows

    "#'o a# o'1' LED (so '/ !o#' r# 'oo r"2' a#! !s'ro/ 'ms-s) a#!

    'o -"m"' ' +rr#' 'a' f-ows "# rs1o#s 'o a ''o# or sw"'+ "#1' "#2

    a+'"a'!. T D"2"-a oar! ss sra- !"ffr#' rs"s'or a-s. Of +ors,

    ' +orr+' rs"s'or ms' -oa!! "# ' +orr+' 1-a+ o# ' PC.

    Rs"s'ors +om "# ma#/ sa1s a#! s"8s, a#! !1#!"#2 o# '"r s"8 a#!

    +o#s'r+'"o# '+#o-o2/, '/ +a# !"ss"1a' !"ffr"#2 amo#'s of 1owr ('

    amo#' of 1owr !"ss"1a'! "# a rs"s'or +a# +a-+-a'! s"#2 ' 0a'"o#

    PI 6 R, wr I "s ' +rr#' f-ow"#2 'ro2 ' rs"s'or a#! R "s '

    rs"s'a#+). T/1"+a--/, rs"s'ors s! "# !"2"'a- s/s'ms #+o#'r r-a'"-/ -ow

    o-'a2s a#! +rr#'s, a#! 'rfor, '/ +a# r-a'"-/ sma--. T D"2"-a

    rs"s'ors ar ra'! 'o !"ss"1a' 6?7mW of 1owr, or $ Wa''. Rs"s'ors 'a' +a#

    !"ss"1a' mor 'a# $ Wa'' ar 1/s"+a--/ -ar2r. For @am1-, 1owr rs"s'ors

    'a' +a# !"ss"1a' sra- Wa''s or mor +a# +"2ar9s"8! or # -ar2r. For

    sma-- rs"s'ors, rs"s'or a-s ar #+o!! as a sr"s of +o-or! a#!s o#

    ' rs"s'or o!/.

    To !'rm"# ' a- of a sma-- rs"s'or (".., $J Wa'' or $ Wa''), f"rs'

    -o+a' ' 'o-ra#+ a#! o# o# #! of ' rs"s'or 9 "' w"-- '/1"+a--/ "'r

    2o-! (?%K 'o-ra#+) or s"-r ($7K 'o-ra#+). T +o-or a#! a' ' o'r

    #! of ' rs"s'or "s a#!$. Us ' 'a- -ow 'o f"#! ' 'wo9!"2"' #mr

    asso+"a'! w"' ' +o-ors of a#!s $ a#! 6. T a#! #ars' ' 'o-ra#+

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    a#! "s ' m-'"1-"r (or @1o##') a#! 9 ' !"2"'s asso+"a'! w"' ' f"rs'

    'wo +o-or a#!s ar m-'"1-"! / $7 ra"s! 'o ' 1owr "#!"+a'! / '

    +o-or of ' m-'"1-"r a#!. T fo--ow"#2 'a- asso+"a's a#! +o-ors 'o

    !"2"'s a#! m-'"1-"r fa+'ors. S"m1-/ m-'"1-/ ' 'wo9!"2"' a- / '

    m-'"1-"r, a#! /o 2o' ' rs"s'or a-.

    BAND

    COLOR

    1+45 ;5 ! 1!! 1?

    Br%*5 1 1!1 ;?

    R ; 1!; ?

    Or45= 1! "?Y%* " 1!" N3A

    Gr5 $ 1!$ N3A

    B/ # 1!# N3A

    V'%+ @ [email protected] N3A

    Gr9 1! N3A

    W-'+ 1! N3A

    G% N3A .1 $?

    S'6r N3A .!1 1!?

    N% ,%%r N3A N3A ;!?

    Rs"s'ors a