Electrical installation design and condition based material Exam Oriented Handwritten Note, Study notes of Electrical Engineering

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F A-ENDSEM PYG'S a Supervisor's Name Signature & Date 4 Roll No. LL —— —__ al INL [- kn -- —S | w) P. | AN PaAnr~e = | om tye iS ACOney) TM) inte ) Ce Cc ¢ foint_ of PrevemHve _Breakdawn LE S.No. — Gomparj sion | 4 }- Maintenance — 1 Liat Madi Nntenance. jj di. ‘De Fmition H “Maintenance Carrel |) Maintemanta esyontias So tf ot ab pre-determined |) jn Cave oR Farle Sil \ Li | tewvals Intend eof oe v0 machina . le = fait |. \ to redlore s poitibility aodtivity) breakdown_in vali (sey ! OF. Farlur of mach mony. operation OF! at ees. Pal 2. || Jdhom te Caryiéd Out ou : walanrera auf. adhe a » | exenute? \ | regulay intervals ‘2 ‘| machine fale to Love... 26\\ ¥ Objective Oy PreyemnHon _jl- pctten. | nlo bong bacle He - w | than Crores. mo machine jnfo: GNU) Co By | 1 | _ fark as poitihe coitrout | | | i looking into: cause oF _fajluse. 4. Down | Some Cases Cannot say depends i ohtst iG | ok Mm seventy of fault. ; =| _ | : bs vo Deloy Jn Cage of urgent Jt_ cannot be _ _ _— bull _regune ment dolayool at any Colt | _* ’ | of producdian ; F wafe preventive - ee __maimndsenante Can ee eS |e olayed, : — — - 7 : = —_ Pg./Suppl.No: 2 @! J Entplam the. use! of “ia mmoqea py Nal a | | | “lemperature 13 one 02 fhe most IMparze 4 Panameter _ to __el] He Condition se indetnal | process material fF een Quality of desjreof __ Output . A —"* but AaCeurate CoVi¢ {et | Can bh2 Chrawn by Abseruys fea Ppordtircc PRL Ie p& any — CuyPaco an Hw Other harnel higher mp | Also medica tes ain Of mergy jn fre Fam oF | heat “There fore 5 team pmo tonne Woulel give Samp le__Inclication of ondittim of Hae metenal processed ‘quality fF Caplore tha posuibility or 4 nergy Conservation __yomues _ 4 : “fhe ymography or thermeaf__Imugms dedtthy | heating Contcantbutims coy heat leak Coursced WV electical egquipmenk | ehren thermogrmn phy : _cdetectr in frured ENergY Emm i Heol hy ay — _Cinuit _6r_an _eleebical _part __thadugh which an eleéedical current panes, Supervisor's Name Signature & Date Roll No. He | ee gt Supervisor's Name Signature & Date Roll No. [that -is\ Mamie nance 2 Sate es ulmpenani cand an pn aa advantages . + Of 8 [4 4) _ 4 Eleotyicont chiolin HeRMeed ies Ha. | process: of ensurng that _ eleefical equi pment JS feepb 19 ; ou 1 a D Tniulation fajluce - Insulation Faile clue to swecgivig factors: 7?) - © Farlure: vt ‘Solid injulaton - ~_Insiladioms Fails ‘que tO) moistuee AbjorpHon, ~ Due to imepuritrer in insulating Material also the —_ pr penh ea OF jin gulatio — derpoyeol qter Some pen oof | 90F Ue F° ingulaton ferure + due fo Gir -pocitets . a —@—-Fedurr = ae © Falure of _ ‘op! _iAiulation:- — Detesminathm at He Solid __Weuiteh Ain terface : dug FO Pressure _ OF Mo Sture . | = Oj!) _alSo _deteryjovreatey KF faile clue to | cleetrochomital reaction. _ | © Feature © sep, _ Selon ~ | - Gaseous. “insulation fails due to hounddlity. fF diso due to_ pressure = oe @ Micslveni.cel “fajlure_- ee | _ __ - Cleohormagnehc forces tan__ darnaga the, Tip winding $ diin Short _Ciruut leading __ $0 Power Supply indeyvuptiong . a — 7 @ Elecho magnetic Streus~ a Power TIF Can fail __ ‘ge. is _Aietecre hese, Caused by electro magnetic __tean cients Roll No. <= |Pg./Suppl.No: 2 Supervisor's Name ___ a Signature & Date ——— Pm Date — al rs ——E——~ ® Bushing rallgwes =o tne: Soe Bushing fa Hurcs Cam cause AIO ete | totel r/F despueton, —& . _t © er Fa ult —_ 4 —— —~ = —— Le Can Far lo clue. to _ nema —_ —— Short. civwit: in the gna F inom 9} eee = eee _. 0 Hher' spawises 100: TIF ‘failure “includ es Overloading, | POWer 'Surges_, moishire, lea panieee mai ntenan@. , Oj) tontaminatio, | | tig | = = 4 a —_ : | = Aa Supervisor's Name je" Pg./Suppl.No: e Signature & Date E35 s8Pm State He veorsoms — fer the injulation Weqmadation . © “Temp ervatuyt | Tho__Irutation scuijranive derreasey wiry fempe rater. Tne drelockic los, INreases wit temperature , = re resis Hvity of the injulouting Material decrensoy by inereaye | | | \y \ in temperature . “[he Same can be eatpreyjeo! Oy Ry = Ro C}~elt) =<. = eC Cl-4,t) Ri = Resistance of mater at: E°C- verre Ro = Reistance of maternal at O'c. Mo 2 Resi. fomp , CoePlicient at oC, Eo = Speckic resistance at Ss. ‘ay ~ i) Speci Fic resictonte at £*¢ @® Pbsoyption of moissure - Tas. a bseyp bX of Moi SHiye by intulating Mateneas cle rrem sey tS suyface reyici stance Ft COuges INsulaton fajlure oy bre ale down Whem thay ne Eupojed te otmorphere . Tne Moarsture affects tha mechanical strength ne te insulating l mMateyjol . | () Mechanica Stregses | l Mechanical Strejjey are developect in te mateyal ] due electroynechonical _forret, Stretsey Chuing wunnmng condition, whidh is tme for dfating elechical machines Tt develops | Very Crna! eyacly jn fhe [Nsulatng makmel , Hence. xedurey | the |j)fe Of miulating Matenjal , | (4) “Thermal stresses The heat is produce d jn the (njulating makeyjol due to djeleohic loss, Coppey Joss In Hw Comducter peat produced by Copper loss in the Conductor is absorbed by nearby _(NtulaHng material, Jf Suphicient and _pwpe, Ventblabron and cooling IS Nok prdvided, ten the msulatins Supervisor's Name p Pg./Suppl.No: |o Signature & Date Wo ay Date. si Roll No. Se — ee a nes | 7 ’ = Dt > Materjal looser sts thermal stability which wredurey _ “E He life of injulating material , Theymaf g4ability — means ,the heat developed jin He jnslatng mnafesal Should he Q7ual 40 heat Uhrmun ot by the jMsulating materjal , © Electrical shesyey - | Qoyose the insulating Mafemale, even Switehing produrey Dung brghtining heavy Im pul te suxge Wi fager Came — voltages surger, Such dansient yoltage when greater thay fr rect ical ou) voltage of imulahnsa mafenal ane tHe insulaty ng matesal ayd the Insulating material looses jnsulating © perty, © Deposition ot duit, dirt. oi) The Surrounding atmosphere Contains dunt, dirt Particles, [nese dre accumulated Over the efectical machine anol the dim , dugt weeucesy tre insulation reyjstante. Tnuy, the Insulaton heremes weale. ) Impurittes - Lp vi be present in the insulating wnatena/ reduce tro jngulatio resistence ay wel} ag tha dieectsc shen Alt ahve factey ax ahlectns tte Ike of insulating meena! , Supervisor's Name ___ Signature & Date a Pg./Suppl.No: 1. SP a Date | Roll No. a = Boa i a gM. | imation “checking | paity | Weekly | mentity | Yeasty| Yearly | yeaety 9: | Vibration cheng Lave fo. | Stavter | Con moller ia Ir tt. Beams Mambenante | ¥ — rt es Cooling _ Sy ¢dem = = — — 13. Over hauling a aa | LL L___ —++ —- OT Pg./Suppl.No: Supervisor's Name CHES g./Suppl.No:) 4 Signature & Date. Date: Roll No. Sat. “ais Oo) Mot Current sign afy re Prral ytis Cg Tro Curent av\ol ee Lf mon) to°ed criticalty The moter (Cllmront___ Signa tare maly tis (MCSA) ys MMOS popular technique for Condition monitoring - The Syttem _ arrangement |S Shown jn Fo G) . ft uses Current Senjor Jie current thensFormex (CT) and potential _ —— (pT) tev a cupront fF Voltage. OF motor. Pyare r ' ~ TaRB | — | (ource = Simo Fos — Ae Jaling, 7 | Cument Ge D601 (pr) Sem Lov (Cay l Signature analysi¢ IN otumentys Ag. O The Sytem _arransomap! “Ine | MPance ok Motor In healthy C(mditim and its sesponse during Faulty Condition (6 djFlerent. Tha patte = oF Olecthcal stcponse pe. Current And vt§ Variations are dete ofec —— ayvalyzed by Signature analysts Invrument .7ne Fourjer Gynalysis OF these signals 6 Carrjeol out 0 cdjagnose H foult Tro motyr Current signature analysis eae efFectivel y Mons tor ¢ diagnose boll 0} My Para MNetess of? JAM. © Sta toy winding CondirHon . (i) Rotor Winding Comditien Gy) Eccenmicity jn xotor, @ Ne chanical Coupling | ESitaen, Wel ele), — @ Beayving Condition _ D load dynamics | —— “Tho freguenuy ‘Speutom oO Current 1S ph aaiaaill hoenll meaiuredt cument. “Tre Freguane, spochum of Curent under _ healthy Condition 1S treated ay reference fig. @ —_—— $$$ _____ —— Pg./Suppl.No: /& ‘ Supervisor's Name Signature & Date Roll No. — —_——_—_——_ 00 Q. to Explain fhe peste oR ConditHon Mon) ponng of on loud fap changer (6) —> , Pr fame suageity , the on loacl tap changer Ca» he operatecl fregyenHy when the hansformar Non [Oud Trere is no Yee of de~ energizing of th GN Sfoymes. ~ Gnimiction | Hy. Winding hay < tapping pointy ane/ eprvided With frye switehay . Tra ppY®vision OF conde tap weacte js ynacde jw fee tap chayigor enruyk 0 Quoje Shovt Y ruu t or fro tapp tot wimol ing _ = O peyva tim « bhon 2,34 and 5 swviteh are jn SOpen' Posi tia and swith 4 js in Son’ positon , fre full HV. wmding if jn the uroyt. Fn this. position the two halves of thecente tapped yeactor Cary — of the Fall Current hut In the appos) Fe divechon . “/nerefere the mm produ ceo mn two halvey_ axe equal and opposite and ne mme jc zen. This ynakes Hu reacty Non- Inductive ane impedance _offenedd by st is Very Small, Conseguentty tho Jol tage dP In the Conhe Cappecl yreddea Js neg)igit and it safeguards {he Shorted tapped Wividing . : - Operational Steps * a QO Switth S$") at shown in dee Cig. jf opened. Twnis make fhe fotal current to Floo jn tre Upper halk OL tho xyeactey ay\cl there 6 More Vo [aga @ Switthh 2 is Clated. nic wakes the Vinding As Letween tap i and 2 +o be connectecl derwss (he yeactr 4 Supervisor's Name —— Signature & Date = ——————__ Roll No. Pg./Suppl.No: /& non load fap changer (6) —= Ps Name Suggests the om load 4p chanyer Car he opera teel b Transkomer oil deteyiorater clue fo various _ Agents 4 looses ik intulting prpertier . Tne IWtulaHng oj gett Conta minhteo ufnen the Following (Npunty - Are pruent ma theo! . The pMpunhHes Wil! edyco ths clieleofie ctrengty of Oil # jn Further jit may fooxe itr clielectnc ¢ AMsulating pro perHes. © Water 1 ® Presence OR Sludge. Recondlitisning Process OF Tan s Former Oi) hy Filtering Process - "| : “[nreugh let Pipe s the bebe I'M pure oi! ic ftakem In the heating Chamber. Tn tis, cdraynios. L heatey Unift are previcleol by whidh the oj) rs | L heated to a lempemattere of 60° to Fee = The advantage of heeuing Js to vrigke Hee oil tinner bhith_ facilives separation of impuriHe ynoveaver _jf _yeleayey clistolved gar # Mojstire .