final. ppt

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U11AR PRADLSHU11AR PRADLSH POWLR CORPORA1IONPOWLR CORPORA1ION L1DL1D Sarojini Nagar,Lucknow Sarojini Nagar,LucknowPresented By: Presented By:Himanshu HimanshuAbhay AbhayAvinash AvinashYashpal YashpalImran ImranIN1RODUC1ION IN1RODUC1ION India has been diided in to ie regions or powerIndia has been diided in to ie regions or power svstem planning and operation. 1hese regions are thesvstem planning and operation. 1hese regions are the Northern Region. Southern Region. \estern Region.Northern Region. Southern Region. \estern Region. Lastern Region. and North Lastern Region. and North--Lastern Region. Lastern Region. 1he main bus 132 kV is connected to 220 kV1he main bus 132 kV is connected to 220 kV substations. located at (hinhat. 1he main line proidessubstations. located at (hinhat. 1he main line proides two eeders to Gomti Nagar . two eeders to Gomti Nagar . . 1his gies wav to nine eeders. transmitting power to.. 1his gies wav to nine eeders. transmitting power to. Gomti Nagar. Mahanagar. Indira Bhawan Gomti Nagar. Mahanagar. Indira Bhawan,, (ooper(ooper Road. lussainganj and Vipin Khand. L Road. lussainganj and Vipin Khand. L--citv. Saharacitv. Sahara citv. citv.SI1L SLLLC1ION OISI1L SLLLC1ION OI SUBS1A1ION SUBS1A1ION It should be ree rom all obstructions rom theIt should be ree rom all obstructions rom the points o iew o conenience o terminating highpoints o iew o conenience o terminating high oltage transmission line. oltage transmission line. It should be at the center o the load. It should be at the center o the load. It should be accessible to the public road to acilitateIt should be accessible to the public road to acilitate transport o plants and equipments. transport o plants and equipments. It should be ree rom water logging and should beIt should be ree rom water logging and should be ree municipal dumping ground. ree municipal dumping ground. It should be at least 3 km awav rom aerodrome andIt should be at least 3 km awav rom aerodrome and should be awav rom police and militarv areashould be awav rom police and militarv area SUBS1A1IONLQUIPMLN1 SUBS1A1IONLQUIPMLN1J. Bus BarJ. Bus Bar J32 KVDear (Aluminum conductor steel reinforced) J32 KVDear (Aluminum conductor steel reinforced) 220 KV1arantulas (All Aluminum) 220 KV1arantulas (All Aluminum) 400 KVBundle Moose (Aluminum conductor's steel reinforced)400 KVBundle Moose (Aluminum conductor's steel reinforced) 2. Circuit breaker2. Circuit breaker J32 KV Minimum oil or air blast J32 KV Minimum oil or air blast 220 KV Air blast 220 KV Air blast 400 KV SI6 400 KV SI63. Isolator 3. Isolator Bus Isolator Bus Isolator Line Isolator Line Isolator 1andom Isolator 1andom Isolator4. 1ransformer 4. 1ransformer5. Lightening Arrester 5. Lightening Arrester6. Insulators 6. Insulators7. Substation Structure 7. Substation Structure8. Bus Bar Accessories 8. Bus Bar Accessories9. Carrier Lquipment 9. Carrier LquipmentJ0. Instrument 1ransformer J0. Instrument 1ransformerCIRCUI1 BRLAKLR CIRCUI1 BRLAKLR)be circvit brea/er act. a. a .atety aerice iv tbe .ave ray a. a)be circvit brea/er act. a. a .atety aerice iv tbe .ave ray a. a tv.e tv.e.. t ai.covvect. tbe .vppty it too targe at ai.covvect. tbe .vppty it too targe a cvrrevt cvrrevt ttor. ttor...!bev tbe!bev tbe tire rire tire rire carrie. tbe v.vat operativg cvrrevt tbecarrie. tbe v.vat operativg cvrrevt tbe etectrovagvet i. vot .trovg evovgb to .eparate tbe covtact.. etectrovagvet i. vot .trovg evovgb to .eparate tbe covtact..t.ovetbivg goe. rrovg ritb tbet.ovetbivg goe. rrovg ritb tbe apptiavce apptiavce ava a targe cvrrevtava a targe cvrrevt ttor tbe etectrovagvet rittttor tbe etectrovagvet ritt pvtt bara evovgb pvtt bara evovgb to .eparate tbeto .eparate tbe covtact. ava brea/ tbe circvit. covtact. ava brea/ tbe circvit.1YPLS OI CK1 BRLAKLR 1YPLS OI CK1 BRLAKLR Bulk or Minimum Oil CircuitBulk or Minimum Oil Circuit Breaker: Breaker:In case o bulk or minimum oil circuit breakers. the arc quenching achieedIn case o bulk or minimum oil circuit breakers. the arc quenching achieed through the insulating properties o oil. lere high speed cannot be achieedthrough the insulating properties o oil. lere high speed cannot be achieed and there are seeral problems during maintenance like leakage o oil.and there are seeral problems during maintenance like leakage o oil. deterioration o oil. etc. 1hereore air blast circuit breakers are reerred. deterioration o oil. etc. 1hereore air blast circuit breakers are reerred. Air Blast Circuit Breaker: Air Blast Circuit Breaker:In air blast circuit breakers. high pressure air is orced in to the arc path at theIn air blast circuit breakers. high pressure air is orced in to the arc path at the instant o contact separation.instant o contact separation. ISOLA1LR: ISOLA1LR:W W An isolator is one which can break an electric circuitwhenAn isolator is one which can break an electric circuitwhen the circuit is to be switched on load. These are normallythe circuit is to be switched on load. These are normally used in various circuits for the purpose of isolating aused in various circuits for the purpose of isolating a certain portion when required for maintenance etc. certain portion when required for maintenance etc.CIRCUIT BREAKERISOLATERPOWER SUPPLYEQUIPMENTRLLAYS RLLAYS 1he relav operates usuallv rom current and oltage deried rom1he relav operates usuallv rom current and oltage deried rom current and potential transormers. A station batterv usuallvcurrent and potential transormers. A station batterv usuallv proides the current or operation o breakers. isolator etc. underproides the current or operation o breakers. isolator etc. under normal condition o an electric svstem. normal condition o an electric svstem.BUCHHOLZ RLLAY BUCHHOLZ RLLAY 1he erv important buchholz relav is a gas actuated1he erv important buchholz relav is a gas actuated deice emploved or the protection o oil immerseddeice emploved or the protection o oil immersed power transormer haing capacitv aboe 1000 KVA.power transormer haing capacitv aboe 1000 KVA. It is installed in the pipeline connecting the conseratorIt is installed in the pipeline connecting the conserator tank the transormer. tank the transormer. \hen anv ault occurs inside the transormer such as\hen anv ault occurs inside the transormer such as short circuit o two phases an electric arc is produced.short circuit o two phases an electric arc is produced. 1his motion o low o gases makes to operate the1his motion o low o gases makes to operate the relav. relav.BU(llOLZ RLLA\BU(llOLZ RLLA\ PRO1L(1ION PRO1L(1IONMAIN 1RASIORMLR MAIN 1RASIORMLRA transformer is a piece ofapparatus by means ofwhich theA transformer is a piece ofapparatus by means ofwhich the voltage ofan A.C. supply can easily be increased or decreased.voltage ofan A.C. supply can easily be increased or decreased. It has no moving part hence called a static transformer. 1heIt has no moving part hence called a static transformer. 1he full load efficiency ofa transformer (medium size) is usuallyfull load efficiency ofa transformer (medium size) is usually 98. 98.COOLING OICOOLING OI 1RANS IORMLR 1RANS IORMLRo o Air Natural (AN) Cooling Air Natural (AN) Coolingo o Air Blast (AB) Cooling Air Blast (AB) Coolingo o Oil Natural (ON) Cooling Oil Natural (ON) Coolingo o Oil Blast (OB) Cooling Oil Blast (OB) Coolingo o Iorced Oil and Iorced Air Ilow (OIB) Cooling Iorced Oil and Iorced Air Ilow (OIB) Coolingo o Iorced oil and water (IOW) cooling Iorced oil and water (IOW) coolingA conserator is a oil tank used or the transormer cooling A conserator is a oil tank used or the transormer cooling(ONSLRVA1OR (ONSLRVA1ORINSULA1ING OILINSULA1ING OIL ININ 1RANSIORMLR 1RANSIORMLRInsulating oil is pure hvdrocarbon oil. 1he main unctions oInsulating oil is pure hvdrocarbon oil. 1he main unctions o insulating oil in a transormer are to proide insulation rominsulating oil in a transormer are to proide insulation rom lie parts and absorb heat rom core and windings and tolie parts and absorb heat rom core and windings and to conduct it to the cooling surace or dissipation. It has to ulillconduct it to the cooling surace or dissipation. It has to ulill certain speciication or use in the transormer etc. certain speciication or use in the transormer etc.1hereore it should hae the ollowing characteristics. 1hereore it should hae the ollowing characteristics. Breakdown Voltage Breakdown Voltage Speciic Resistance Speciic Resistance \ater (ontent \ater (ontent Neutralization Value Neutralization Value llash Pointllash Point Viscositv Viscositv1LMP. SLNSING M( 1LMP. SLNSING M((urrent 1ransormer Ratio51, (urrent 1ransormer Ratio51,These are commonly used in metering and protective relaying in the electrical power industry .Lightning Arrester Lightning Arrester#educes the chances ofsurge.Insulator InsulatorHGH TENSON NSULATORPN NSULATOR 11 KV Pin insulator + 22 KVPin insulator+33 KV Pin insulatorPOST NSULATOR 11KV & 22 KV Post insulatorDSK NSULATOR Disc insulator (B & S Types) +Disc insulator(T & C Types)TRANFORMER BUSHNG Transformer Bushing 1.1 KV + Transformer Bushing 17.5,24,&36 KVLOW TENSON NSULATORShackle insulator+Spool insulator+GuyStraininsulator+ LT nsulatorCAPACI1OR BANK CAPACI1OR BANKADVAN1AGL OI POWLR IAC1OR IMPROVLMLN1 ADVAN1AGL OI POWLR IAC1OR IMPROVLMLN1 It acilitates delierv o rated oltage to motors. lamps and otherIt acilitates delierv o rated oltage to motors. lamps and other utilization equipments. utilization equipments. It improes oltage regulation. It improes oltage regulation. It decreases the losses in the generators. transormers andIt decreases the losses in the generators. transormers and transmission and distribution lines. transmission and distribution lines. It releases the capacitv o generators. transormers. transmissionIt releases the capacitv o generators. transormers. transmission and distribution. which in case o poor power actor is occupiedand distribution. wh