SUB--STATION (ELETRICAL)--EQUIPMENTS.ppt

SUBSATION EQUIPMENTS

1. INTRODUCTION TO SUB-
STATION
WHAT IS SUB-STATION ?
FUCTION & IMPORTANCE
TYPES :-
TRANSFORMER
SWITCHING
P.F. CORRECTION
FREQUENCY CHANGER
CONVRTING
INDUSTRIAL

2. POWER TRANSFORMER
POWER TRANSFORMER
FUNCTION OF POWER X'MER.
PARTS OF POWER X'MER :-
CORE & WINDING
X'MER TANK
CONSERVATOR
EXPLOSION VENT
BREATHER
COOLING FANS
WHY TRANSFORMER RATING IN KVA ?
EARTHING X'MER.

3. CIRCUIT BREAKERS
WHAT IS CIRCUIT BREAKER ?
WORKING OF CIRCUIT BREAKER.
VARIOUS TYPES OF CIRCUIT BREAKER.
ƒSF6
ƒBULK OIL
ƒMINIMUM OIL
ƒVACCUM
ƒAIR BREAK
ƒAIR BLAST.

4. INSTRUMENT TRANSFORMER
WHAT IS INSTRUMENT TRANSFORMER ?
NEED OF INSTRUMENT TRANSFORMER IN
SUB-STATION.
TYPES OF INSTRUMENT X'MER.
ƒCURRENT X'MER.
ƒPOTENTIAL X'MER.
ƒCAPACITIVE VOLTAGE X'MER.

5. BUS-BAR
INTRODUCTION
IMPORTANCE OF BUS-BAR
TYPES-
SINGLE BUS-BAR
SINGLE BUS-BAR WITH SECTIONS
DUPLICATE BUS-BAR

6. RELAYS
INTRODUCTION
NEED OF RELAYS
CONNECTION OF RELAYS WITH CIRCUIT
BREAKER
TYPES-
OVER CURRENT
OVER VOLTAGE
REVERSE POWER
OVER FREQUNCY
UNDER FREQUNCY

7. L.A., ISOLATORS
L.A. & WAVETRAP
WHATIS LIGHTNING ARRESTOR ?
LOCATION &TYPE
HORN GAP
ROD GAP
MULTI GAP
WAVETRAP & ITS FUCTION

8. INSULATORS
WHY INSULATORS REQUIRD ?
MATERIAL USED IN INSULATOR
TYPES:-
PIN TYPE
SUSPENSON TYPE
SHACKLE TYPE

9. CAPACITOR BANKS
INTRODUCTION
NEED OF CAPACITOR BANK
WORKING
ADVANTAGES

10. BATTERY & CHARGER
WHY BATTERY REQUIRED IN SUB -
STATION.
TYPES-
LEAD-ACID
DRY
BATTERY CHARGER
TYPES-
FLOT
TRICKLE

11. THANK
YOU