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STUDY OF SUBSTATION EQUIPMENT AND PROTECTION
Post: #1


.pptx  durga prasad.pptx (Size: 4.77 MB / Downloads: 521)
ABSTRACT:
The economics of generation of electrical energy and the huge demands of power in the modern times require creation bigger power plant . These may be hydro , thermal , atomic etc . The transmission network is inevitable . large and high voltage transmission lines are necessary to transmit huge blocks of power from the source of generation to load centers . In b/w the power plant and ultimate consumer a number of transmission and switching stations have to be created . This is done by SUBSTATION . This mini project discuss various equipments and protection of a 220kv/132kv/33kv,DAIRY FARM SUBSTATION.
SINGLE LINE DIAGRAM OF DAIRY FORM SUBSTATION:
100MVA,220KV/132KV AUTO TRANSFORMER(step down t/f):
ON LOAD TAP CHANGER:
TAPPINGS AND OTHER EQUIPMENTS IN OLTC:
CONSERVATOR (store oil) BUCHHOLZ RELAY(makes alarm or trips during during fault conditions:
RADIATORS(used for cooling purpose):
BREATHER & SILICA GEL (absorb moisture in air):
20/31.5KV AND 132KV/33KV STEP DOWN TRANSFORMER:
50MVA,132KV/33KV STEP DOWN POWER TRANSFORMER:
33KV TRANSFORMER:
SF6 CIRCUIT BREAKER:
LIGHTING ARRESTER & SURGA METER :
CAPACITOR VOLTAGE T/F& WAVE TRAPER:
CURRENT TRANSFORMER:
POTENTAIL TRANSFORMER:
Isolator:
FLOAT CHARGER & BOOST CHARGER:
BATTERIES(heart of the sub station):
CONTROL PANELS:
RELAY PANEL:
PROTECTION:
RELAY CHARACTERISTICS:
SENSITIVITY
SPEED
SELECTIVITY
RELIABILITY
BUCHHOLZ RELAY
CONCLUSION:
WE HAVE STUDIED THE VARIOUS EQUIPMENT AT 220KV/132KV/33KV DIARY FARM SUB STATION AND VARIOUS PROTECTIONS EMPLOYED FOR THEM.
WE LEARNED 1.SWITCH YARD EQUIPMENT
2.CONTROL ROOM
Post: #2
to get information about the topic Protection through switchyard equipment related topic refer the link bellow

http://www.seminarprojectsshowthread.php?tid=24662&google_seo=ZDYH++&pid=51476#pid51476

http://project-seminars.com/Thread-switc...ull-report
 

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