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nuniiversityupdates. in dhe electriaal cuuwerst 4 _Alurniniu . copper” capable -tHt ts defined as wm a one part axre connected capalole S° ticati bles : following qroups 1) Types of matertal JAlumisium toncluctor 3) Copper conductor f Core used tn usecl fn ) The 700 ) Single Core capable ) Double Core capable tu) Three core capable w)-four Core capabk ws Two core with capable Con Hnuity al) Types ot tnsulators used FO bpve w lAleather proot capable wu) figxable cord 308 According +o Vo\ tage : 4 No -tension capable vars 15 100 \ High -tensioe capable ° i w) Super tensor capable range. ped yi re nigh tension capable 33-66KV ) ee duper atension capable behhd 132KV yf ion: (us! “ preult +o _operacte 6 Known as ‘tu ge e aassticatan ot tuse ' pes “elassthcation ot. fuse are cla 400 type F vow voltage tude | nH Voltage USE 9 oortha i bent tuse are also classed into . two 76 Aettined 5: Short neces ot metal Protectan ot over sat Led osed fuse agent enck dull enclosed fuse yh The Rul anaieed fuse are also” classified soto «600 types: \ fea & 5 D+ 4Pe | ¥ Link +ype <] : The lint type ore. “also, classed arsto Su Ayes. ar | Vey cys ) Knite Blode h Bort fuse 4Vigh proninye types 7 asl , Squid type x kl tapulson —-*Y4Pe Cartridge ype a fuse also classitied 2oto three appli cation” oF “batter | a s.in foo" 1 Shed, into atyeeNe pecorcong sear ot Battery ; 4S Used 8 toductial i " 1s wsecl Ww rootar Cars, Bikes wy 46 usecl In phones, w& electronic devices. actor s o-t erring Systern classttiecl into A types of reaterial Types of, soad w) Quality o+ uarirg Syste w Cost ; ) further extension wy batty Muanioget of power-tactor spe il \ Recluee the vo tage drop. s) Trerease te Percentage o-t Vortage Renutartion #) Efficiency Of -the System voll be reasurec| ty Reduce the ctor Uort Cost ' } Electrical energy Consumption ¢ PE ts! seiticied as ublizing ot electicol energy 45 INOW Aloo! tlecticad ener “censuitnp hoo” He | is rocasured in wartt- Houy Bare Conductor: Ft ts! AeHined AS: in: slecetc Conductor aarbh out ot daseladion sts KOOP sed Rare Conductor * 5 ) t °S ot Farthin ; ‘ ES wes lyPe d Ain An Wide me). Tye classitication OF £artpieg toto 4 types Y) ptate tarthing w) Strip tarbng wet ws Dock farthing Pixs Battenes: pes) . var i ° Batteries are electrochernicad Power SoUree. 5 et chemical ererdy irstO electicar 7 pooctbereS ni ae ot troctteries divided. into which convert ererqy iS Known as The classification 4wo types . 0) Primary patberes: *) Secondary | hotteries: a = 7 erie woven ts I . ) Prienary batteries: te tS. ‘detined us free energy \oto electical enerary is $rown as pamany => The Primary ‘patteres. are. cot reachable aed 416 fwreversible Conctition : , a = in this type ot batteries are most econoricaly hile Ukight and “Srrall Size. => The Precary ootteries Lou cost » Low. efficieny, howd power output and kess maintance The Severs types of Primary ferlteries. wy ; 3 Fectures O41 secondary bortlery # : The secondary paitenes are Fully’ Ho dhe = cunent dischaxying can be ttodkabyty | “san -this type 04 battery storage capatitance high Chara cde ristic 64 ba Hteny ; XS capacity of battery ss Gate ot discharge ; a} Teroperatue w Density ot clecholy te i} Oya 4 Wal hour ethdenuy kere’ sj Arop- hour” e-EAicieney wy Battery the. lo, as capacity of Battery : T+ 1s defined ot he , q Product of Ciivent and Tine; 8 Foown as Cpotity of battery — Feapatity of battery = ExT) oe | tL Ws measured in -Aropere —-How r ara. SQate OF discharge: tt ts defined as dhe Curent” Alscharge from the battery fs erQwe as robe’ ot discharge- 7 7 The capacitor ot’ battery tS foverdly proportions rode, Of dischage- tl dhe copatty of “batkry decreases and vate o+ chstharge wo pe {1 € copatity ol batty o “vate of sage | 1pers. vw ners.com | www.ios.previ Come Aes tnvvease $ Proper aah these chavactenis-hes ale Cornpk tela “4 Ay upon. capacitor of halterg. Te capaci dy] pattery iS Arectly proportional to at ON battery tncreases and kenyp ‘ aRts conditon also sonal to sity ot electrolyte é Atrectly proport rout tery Ms o+ electrolyte: | copactty ot battery ~ pte. PAcveasesly > euarct ~ _-Hour. etficiency 2 Tm 4S) x)! 4 ub energy 7 ot o + pur energy AOP br Aas talath Hours eticleney ee we ati.caly ecepre S10 ot a ole _enetay one x100 Tp emery» ee ofp = electical energy oe Qip = lecttcah energy i change intreases and dersirty detined as the - Ltour etlicicm ilhere Vd= Atschawging Ta _ clischarging © T= atscharging Time 4 ag [mats jquanty Total rlorbi Loc (IAl) g { Ht (wd) ours c45 Total €nerqy if ramp |EoW | SB |soow 8 a400 Why _ porP oo! 4 |4oonl| 8 2000 l/h |; yectters 1oooW | 2 ROOOW!| 3 g000 Wh fs BOW 5 400W | le 4200 W/h | ‘ Total Energy < 15200 Ul/y 14°48 K/h ota! enerqy consumed fa» month January = 15:2 XSI = 44l-Q bwoh fiver data: cinit last = 0-50 Paisa Lest per month dor monthly charge =40RS Total bill of January : is - Total enerqy consumed, cost + Monthly rate ~ gt Koh x0: 50440, - Q45:6 RS ; Bill of; January = 945:6 BS ta Jan x per unit’ . Total of 18 arnps 9) head - Acid Cet) 15 charged at rate for Jo Hours a> discharged try the Same a +agqe dunia ad he average voltoq the +) Amp- hour effi ciency it) tAlatt - hour ett ciency. vo\taq?e 0.96 volts it S&S ot rate of 14-aA ischarge 1aav- calculate overage time re Gives ‘data’: Tce= 6A Te =!0h Ve =&-96 Ta= lob Id = 14:Qh Vq =Va8V i) Amp - hour efficiency dd Tee x 100 Tc X Te 14°@ X10 x100 \6 x 10 1#Q y -L xt0o ’ | to 1490 1e HUT 4: ) Watt- hour eHidency — Wdx Ta x Vd Tex Exe \ = 14-2 x 1x 1-99 t6 x 1@x 2.26 = 1a yas pu x 100 IO “Tog n 206. - 34056, ‘4.0680 = 0834x100 | = 83417 X100 mainiaio gybead acid Cell calculate the capacity of cell: Given dato. Js UB LAA T= Qo hours capacity of cell = IxT = 5X Qo = xo 10 = 30 -Arop- hour 8) Lead-acid cet as 13 plates., each one agscrnxgacm the clearance beturen the length of the plate 6 2 fern pgrom. TF the res Hvity ot the acid b Bod the internal resistance - ; ive oloto.: No-o+ plates = 13 Area of cross Secon LA) = ancmxagacm = 500 crn*> ot plate (Deh arm > =O:1QCM | Restivity (P) =h6 2 R= PL 'G XO 500 y T Re. 3.84. x oF | 4 nM “Constant Current ot go Pours before it termfteals Voltage bev. rad CLSULY YD, datgpery | WCDONG te sicmbr ees ~w OF edth cay . oy ote o+ 40° ces piss P " toternal pest star’ ac ale v Supely athe 0 un oi Hb es ve ; chargin curre vee tel Bae 7 wal on dane} g5V , calculate i | . Series res15 tance | iver) data : ‘ No.of cells =40 | Supply vottog® = CO a —saono-085 tnternal resistance » © a4on current (T)=4A average ernt = 40X85 =1l00V To Ve Fa i rtoiase Teas tes ‘ Ryr a ‘ | T (Rar) = V- Ea | BR ony zr R49 = Bo-100 4 R+9 = 80. Zz R-g0-2 §) Three tarps of rating 1000, 8oqu7, 300w and rated vol toq? 830V. are = comnected @n parallel across goov Supply. cakulate the power Flowing iO each lamp www.android.previousquestionpapers.com | www.previousquestionpapers.com | www.ios.previousquestionpa@ Shu (suiteh fuse Unit) —~ = This type of tuse form ot inteqrated Swity : >This type of Gaitch oe units Are avail, tn the Cirawit are 3 pole acd iar el 1D circw+t with rating of SFU 4housan Ore > Tre rated voltage 4aov sith breabing apayy ty : of the cireutt with Soba 3 THis type of Switth used *9 3-phase Supp only - The sft classified oto two HPS: i) SFO when the C5 constant _ ev s) SFO when the -fuse 1S roovable Condition Both units are tore tuse statiorary is more yelable-ard ‘unit with fuse movable condition less OF, elecrtricial Uses the ovnrt “Uaith connec too Se 3-6 Power motar used in sm SFU as sbowd 10 iq Se Fa, le 7, Spo [ 2 A UOR) 7) 3pole Ketural , > Overload apathy current 3 It Ss residue current clevice - otis 14h of crest Greater desiqn +0 provide protectior ot - earth heabog é tor) electrical +torce qoes otf condi#on cohen it iS: = ELCB at tS ; sense targé teahoge carrent santhe Crewt 3 whee RCD operating principle ais” he: explain shown 10 tq. , 4 R pigs viv vi * ami ‘pcp (Residuad Current device ) 3 + consisting ot current 4ranstormer rel and Sensing cos » Teog <3 Liken operated RCD connected to Supply and toad. SSS YAY 1—> Tar th Surface casttron trarme > Sad F eenenres wea: Plate ed = Plate farthing consis copper plate and farthing tee Goer é de | a IS TRicine $5 wRorp ee ‘i of 4-1 .pipe Cor) dive and charcval g Salt moterol and owt sard bolts: > The copper plate are eticient earth electrode and independen* ot Sol rrvistwe = The copper plate are Ynser ted Nlertically Roto the bolt and plode is into the Soil depth of as Per vequirernect The dep th 4s usually not less than 3 mts and aternate tayer of salt and charcoal ts award Sunounding avea ot q- A Plate => Fah layer minimum wom of thickness: She mieture Of charcoal and salt reduce the earth resistance - > The, earthing wdre inserted tsto the So acta “‘atrainged tA FIN 4-4. plate and it ots , ~borouigs Aareter and goon into Ane soll She farts ebite iene wit be! qactea se Wo ’cprease fy area of cross Sector Reducing methods — o-! plate aarlhing ) Ineease iO depth g@ Rerease 1 earth resistance é 1 connection. 3) Kaxth electrodes tn powalle = THis type of farthing used and Sub- stations Pipe Farthing: TEER LTD Hp) an voting Stodtony —toxthing wire | Ni Y guage teve | ~ ES LA , —_ - od REZ scout ion -frornn”” Ly chaycon| } bs glt: 21s chavcood cial NPT ua er sande im Pipe, anbhing ; => Pipe eaxthing Consisting a t- Gelvante on We ny Sperited length ard diarnete, 3 The roteeture oF; axinaoal and éalk,, nut wont | i€ bolts ard earthing uvive pipe avts a @ cart electrode. . : 
