Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Electrical Installations, Lecture notes of Basic Electronics

Electrical installation typically involves setting up electrical systems, wiring, and components to provide power and lighting to a building or facility. It's essential to follow safety guidelines and local electrical codes when performing electrical installations. If you have specific questions or need guidance on a particular aspect of electrical installation, please provide more details, and I'll do my best to assist you.

Typology: Lecture notes

2022/2023

Uploaded on 09/12/2023

karthikeyan-reddy
karthikeyan-reddy 🇮🇳

2 documents

1 / 27

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
www.android.universityupdates.in | www.universityupdates.in | www.ios.universityupdates.in
www.android.previousquestionpapers.com | www.previousquestionpapers.com | www.ios.previousquestionpapers.com
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14
pf15
pf16
pf17
pf18
pf19
pf1a
pf1b

Partial preview of the text

Download Electrical Installations and more Lecture notes Basic Electronics in PDF only on Docsity!

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. . :