SUMMER TRAININGREPORT(Submitted in partial fulfllment of the award of B.TechElectrical Engineering)UTTAR PRADESH POWERCORPORATION LIMITED132KV SUBSTATION NEEBU PARKLUCKNOW (UP).From 15 th June to 14 th July 2015 Name o !.E " M#. VINOD KUMARJULFIKAR AHMADB.Tech !lectr"c#l !n$$.%Roll. &o. 12001'(01(INTEGRAL UNIVERSIT$%LUCKNOW2&1'(a)*+,- o E./0.ee#0./We1 " 222.0.,e/#a+*.03e#40,-.a).0. JULFIKAR AHMAD12001'(01(CENTER (OR CAREER GUIDANCE 5 DEVELOPMENT(CCG5D)P6o.e " &'22278&9:'% &88172;:&':E. ma0+. "< ))/.=0.,e/#a+*.03e#40,-.a..0. %))/.>0*+=/ma0+.)om ACKNOWLEDGEMENTSummer training has an important role in exposing the real life situation in an industry. It was agreat experience for me to work on training atNEEBUPARK. LUCKNOWUTTARPRADS! P"#R $"RP"RATI"% &I'ITD through which I could learn how to work ina professional en(ironment.%ow) I would like to thank the people who guided me and ha(e *een a constant source ofinspiration throughout the tenure of my summer training.I amsincerelygrateful toMR. ANILKUMARSRIVASTAVA(Sub Divisional Officer)at++,--./su*station)AHIBARANPUR, DALIGANJ, LUCKNOWwhorenderedmehis(alua*le assistance) constant encouragement anda*le guidance whichmade this trainingactually possi*le. I wish my deep sense of gratitude toMR. VINODKUMAR(Junior n!ineer)whoseaffectionate guidance has ena*led me to complete this training successfully. I also wish mydeep sense of gratitude to 'R. "RA#$AT RANJAN SARKAR (ASST. "RO%SR& lec'ricaln!!. De(ar')en') Sincerely0U&1I.AR A!'ADRoll. %o. -233-453-56.T$! 7T! 8AR6RA%$! 9 &$TRI$A& %::.JULFIKAR AHMAD12001'(01(ABSTRACTThe go(ernment of Uttar Pradesh was one of the first states in India to initiate reforms in thepower sector through the enactment of the UP lectricity Reforms Act; -. The :o(ernment of Uttar Pradesh constituted in lectricity Regulatory$ommission =R$> in Septem*er - which is the focal point of the Power Sector) responsi*le for planning and managing thesector through its r'n(*i((i!n, "i(ri/#i!n and (#,,ly !) elecriciy.UPPCL will *e professionally managed utility supplying relia*le and cost efficient electricityto e(ery citiCen of the state through highly moti(ated employees and state of art technologies)pro(iding an economic return to our owners and maintaining leadership in the country.#eshall achie(e this *eing a dynamic) forward looking) relia*le) safe and trustworthyorganiCation) sensiti(e to our customerEs interests) profita*le and sustaina*le in the long run)pro(iding uninterrupted supply of Auality power) with transparency and integrity in operation.JULFIKAR AHMAD12001'(01( )#$e 1ABOUT 1+&-++ K. SUBSTATION NEEBU PARK LUCKNOW$UP%The main *us -+2 ./ is connected to grid located at NEEBU PARK LUCKNOW $UP%. %owthe transmission line first parallel connected with lightning arrester to di(erge surge) followed*y $/T connected parallel. $/T measures (oltage and steeps down at --3/. A.$. for controlpanel) at the location a wa(e trap is connected to carrier communication at higher freAuencies.A current transformer is connected in series with5 line which measure current and step downcurrent at ratio@33G-for control panel. Switchgear eAuipment is pro(ided) whichis thecom*ination of a circuit *reaker ha(ing an isolator at each end. A transformer is connected tomain *us though a *us coupler. The main *us has total capa*ility of +23 '/A for -+2 ./)which is su*di(ided into two transformer capacity of -43 '/A =-43'/AH-43'/A> parallelconnected for ++./.At *oth ends of transformer lightning arrester current transformer and switchgear eAuipmentpro(ided. Transformer step downs (oltage from 1+&K. TO ++K.. The main *us is pro(idedwith switchgear eAuipment I a current transformer. This gi(es way to six feeders transmittingpower toNEEBUPARKLUCKNOW$UP%.Themain*usisconnectedto?ack.6usortransfer *us through a *us coupler I ++./ is pro(ided with switchgear eAuipment. This gi(esway to feeders transmitting power to .A step down transformer of -+2./,++./ is connectedtocontrol panel topro(idesupplytotheeAuipmentEsofthesu*station. $apacitor*ankisconnected to main *us of -+2./. It is pro(ided to impro(e power factor I (oltage profile.JULFIKAR AHMAD12001'(01( )#$e 2TRANS;ORMERS;i3#re< Tr'n()!r*erTransformer is a static machine) which transforms the potential of alternating current at samefreAuency. It means thetransformer transforms thelow(oltageintohigh(oltageIhigh(oltage to low (oltage at same freAuency. It works on the principle of static induction principle.#hentheenergyis transformedintoahigher (oltage) thetransformer is calledstepuptransformer *ut in case of other is known as step down transformer. T=PES O; TRANS;ORMER-;Power transformer2;Instrument transformer+;Auto transformer7;"n the *asis of workingD; "n the *asis of structureJULFIKAR AHMAD12001'(01( )#$e * POWER TRANS;ORMER;i3#re is anelectrical transformer withonlyone winding. Inanautotransformer portions of thesamewinding act as *oth the primary and secondary. The winding has at least three taps whereelectricalconnectionsare made.Autotransformersha(e thead(antagesofoften *eing smaller) lighter) and cheaper than typical dual;winding transformers) *utautotransformers ha(e the disad(antage of not pro(iding electrical isolation.;i3< A#! Tr'n()!r*er Ty,e( !) '#! r'n()!r*er( Single phase transformer*>Three phase transformer ON THE BASIS O; WORKING'%Se, #, Tr'n()!r*er(GIt is type of transformer which is used to step up the (oltage from low to high (alue in order tomake it applica*le for high rated appliances.%ot only for high rated appliances *ut also for transmission in power distri*ution systems. It iscritical inthisrole. Power distri*utionsystemsdependhea(ilyonstep;uptransformerstogenerate the high (oltages needed for more efficient long;distance power distri*ution./% Se, D!:n Tr'n()!r*erGA step;down transformer is one whose secondary (oltage is less than its primary (oltage. It isdesigned to reduce the (oltage from theprimarywindingtothesecondarywinding. ThiskindoftransformerJstepsdownKthe(oltage applied to it.JULFIKAR AHMAD12001'(01( )#$e 'As astep;downunit) thetransformer con(erts high;(oltage) low;current power intolow;(oltage) high;current power.. ON THE BASIS O; STRUCTURE'% C!re y,e r'n()!r*erThecore;typetransformer enclosethecorei.e. theprimaryandsecondarywindingswerewound on a separate lamps and around a closed iron ring so that the windings are well (isi*le)*ut they hide the core lim*s) "nly the upper and lower yoke of the core are (isi*le. The axis ofthe core type windings is normally (ertical.;i3#re< C!re Ty,e Tr'n()!r*er/% S2ell y,e r'n()!r*erTheshell;typetransformer isconsideredthemost efficient. Suchtransformersareusedintransmitting commercial power. The core of the shell;type transformer is made of laminatedsiliconsteel sheetsplacedontopofoneanother. Thecoilsarewoundaroundthecentralsection of the coreL the core of a shell;type encloses the windings and the core hides the ma?orpart of the windings. The axis of the shell;type windings can *e horiContal or (ertical in a shell;type. ;i3#re< Win"in3 !) ' S2ell y,e r'n()!r*erJULFIKAR AHMAD12001'(01( )#$e ( SPECI;ICATION O; C.T. ;i3#re< C#rren r'n()!r*era> StandardG IS;25@D*> !ighest System /oltageG -7D ./c> 1reAuencyG D3!Cd> $.T. $urrentG 2D .A,Sece> Rated primary currentG @33 AmpereJULFIKAR AHMAD12001'(01( )#$e + SUBSTATIONS;i3#re< .ie: !) (#/('i!nThe present day electrical power systemis A.$. i.e. electrical power is transmitted Idistri*uted in the form of the alternating current. The electric power is produced at power plantstations which are located at fa(oura*le places generally Auite away from the consumers. It isdeli(ered to the consumers through a large network of transmission and distri*ution.At manyplaces inthepower system) it may*edesira*leandnecessarytochangesomecharacteristics e.g. (oltage) actodc) freAuency) power factor etc. of electricsupply. Thisaccomplished *y suita*le apparatus called su*station. 1or exampleL generation (oltage =-- ./ or ++ ./> at the power station is set up to high (oltage =say 223 ./ or -+2./> for transmission of electric power. The assem*ly of apparatus =e.g. transformer etc.> usedfor this purpose in the su*station. Similarly near the consumerEs localities) the (oltage may ha(e to *estepdowntoutiliCationle(el. This?o*isagainaccomplished*ysuita*leapparatuscalledsu*station. The assem*ly of apparatus to change some characteristic of electric power supply iscalled su*station.The two most ways to classify su*station areG;JULFIKAR AHMAD12001'(01( )#$e , T=PES O; SUBSTATION1. Acc!r"in3 ! 2e (er>ice re7#ire*en Transformer su*station*> Switch su*stationc> Power factor correction su*stationd> 1reAuency change su*statione> $on(erting su*stationf> Industrial su*station&. Acc!r"in3 ! 2e c!n(r#ci!n'l )e'#re( Indoor su*station*> "utdoor su*stationc> Underground su*stationd> Pole mounted su*station'% TRANS;ORMER SUBSTATION;i3#re< Tr'n()!r*er (#/('i!nThey are known as transformer su*stations as *ecause transformer is the main component employed to change the (oltage le(el) depending upon the purposed ser(ed transformer su*stations may *e classified into.I. STEP UP SUBSTATIONThegeneration(oltageissteepeduptohigh(oltagetoaffect economyintransmissionofelectric power. These are generally located in the power houses and are of outdoor type.II. PRIMAR= GRID SUBSTATION!ere) electric power is recei(ed *y primary su*station which reduces the (oltage le(el to ++./for secondary transmission. The primary grid su*station is generally of outdoor type.JULFIKAR AHMAD12001'(01( )#$e 10III. SECONDAR= SUBSTATIONSAt a secondary su*station) the (oltage is further steeped down to ++./. The ++./ lines runsalong the important road of the city. The secondary su*stations are also of outdoor type.I.. DISTRIBUTION SUBSTATIONThese su*stations are located near the consumerEs localities and step down to 733/) +;phase)and 7;wire for supplying to the consumers. The (oltage *etween any two phases is 733/ I*etween any phase and neutral it is 2+3/.'% SUBSTATION CHARACTERISTICS'!r 'n" Bre'2er