View
235
Download
0
Category
Preview:
Citation preview
8/14/2019 Copy of Power Distribution Transformer
1/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Conservator
Tank
Tap-Changer
&
connectinggears
Indicator
Temperature HT11kv.Bushing &Connecting Bars
132kvEHT,ConnectingBus-Bar
Pressure
RelieveValve
Oil Cooling
Radiator
TAP
Transformer
Power DistributionTransformer
BuchholzRelay
Transformer
Yard
Bushing
coupling
8/14/2019 Copy of Power Distribution Transformer
2/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Side View of theide View of thePower Transformerower TransformerCooling Radiator Provided both sideCooling Radiator Provided both side
TransformerTransformer
On every Section the Fan are providedOn every Section the Fan are providedSetting of the FansSetting of the Fans
8/14/2019 Copy of Power Distribution Transformer
3/25
KESC TRAINING CENTREKESC TRAINING CENTRE
BUSHING OF THEBUSHING OF THE
TRANSFORMERTRANSFORMER
11KV(LT BUSHING) OF
THE TRANSFORMERS132KV(HT BUSHING OF THE
POWER TRASFORMER)
8/14/2019 Copy of Power Distribution Transformer
4/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Buchholz RelayBuchholz Relay
Pipe to Main
Tank
Oil pipe
fromconservator
s
buchholz
Relieve
valve
Test
contact
Calibration
Oil level
glass
CONTACT
BOX
Box
8/14/2019 Copy of Power Distribution Transformer
5/25
KESC TRAINING CENTREKESC TRAINING CENTRE
TAP-CHANGERTAP-CHANGER
Tap-Changing Mechanism
Counter Dial (Tap Number)House for
Handle
RemotePosition
Automate DC
Switch
8/14/2019 Copy of Power Distribution Transformer
6/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Tap-ChangerTap-Changer
8/14/2019 Copy of Power Distribution Transformer
7/25
KESC TRAINING CENTREKESC TRAINING CENTRE
BREATHERBREATHER
Window to View theWindow to View the
color of thecolor of the silica gelsilica gel
Blue Color Show theBlue Color Show the
Healthiness ofHealthiness ofsilica-silica-gelgel
After moistureAfter moisture
absorption the colorabsorption the color
becomebecome PINKPINK
8/14/2019 Copy of Power Distribution Transformer
8/25
KESC TRAINING CENTREKESC TRAINING CENTRE
11KV BUS-BAR11KV BUS-BAR
LT-BUSHINGLT-BUSHING
11KV CABLE11KV CABLE
CONNECTEDCONNECTED
WITH BUSBAR.WITH BUSBAR.
REDRED
YELLOWYELLOW
BLUEBLUE
8/14/2019 Copy of Power Distribution Transformer
9/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Oil Temperature IndicatorOil Temperature Indicator
Oil temperature indicators isOil temperature indicators isuse to monitor oiluse to monitor oiltemperature.temperature.
Usually Three Types ofUsually Three Types oftemperature indicators aretemperature indicators are
usedused
Without ContactsWithout Contacts
With two Contact First AlarmWith two Contact First Alarmand Trippingand Tripping
With 04-CONTACT 1With 04-CONTACT 1STST FanFanOff,2Off,2ndnd Fan On,3Fan On,3RDRD alarmalarm&Trip&Trip
8/14/2019 Copy of Power Distribution Transformer
10/25
KESC TRAINING CENTREKESC TRAINING CENTRE
8/14/2019 Copy of Power Distribution Transformer
11/25
KESC TRAINING CENTREKESC TRAINING CENTRE
OIL TEMPERATURE INDICATOROIL TEMPERATURE INDICATOR
Resetting
Knob
Temperature
Of the Oil
8/14/2019 Copy of Power Distribution Transformer
12/25
KESC TRAINING CENTREKESC TRAINING CENTRE
FORCED COOLING FANSFORCED COOLING FANS
Position of thePosition of the
forced fanforced fan
installedinstalled
Below theBelow the
RadiatorsRadiators
automationautomation
F kil l
8/14/2019 Copy of Power Distribution Transformer
13/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Frequency,power,kilovolt meterFrequency,power,kilovolt meter
Installed at the cubical of controlInstalled at the cubical of control
panelpanel
8/14/2019 Copy of Power Distribution Transformer
14/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Control panel of power transformerControl panel of power transformer
8/14/2019 Copy of Power Distribution Transformer
15/25
KESC TRAINING CENTREKESC TRAINING CENTRE
SLECTOR (SWITCH)SLECTOR (SWITCH)
AutomateticAutomatetic
ManualManual
OffOff
ParallelParallel
IndividualIndividual
8/14/2019 Copy of Power Distribution Transformer
16/25
KESC TRAINING CENTREKESC TRAINING CENTRE
PRESSURE RELIEF DEVICEPRESSURE RELIEF DEVICE
MR-Moving Mechanism
(TAP Transformer)
TAP Changer
Transformer Device.MAIN_TANK PRESS RELIFE
VALVE of Power Transformer
8/14/2019 Copy of Power Distribution Transformer
17/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Pressure Relief DevicePressure Relief Device
Pressure relief devicePressure relief device
is used to give a reliefis used to give a relief
to the oil pressureto the oil pressure
built up in case ofbuilt up in case ofshort circuit occursshort circuit occurs
inside theinside the
transformerstransformers
The danger ofThe danger ofexplosion or Tankexplosion or Tank
deformation exist.deformation exist.
8/14/2019 Copy of Power Distribution Transformer
18/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Hand valve between conservatorHand valve between conservator
to tap changerto tap changer
Oil Pipe of theOil Pipe of the
Conservator tankConservator tankto Main Tapto Main Tap
Hand Valve ofHand Valve ofconservator toconservator tomain TANK tomain TANK to
attain controlattain controlduring shutdown.during shutdown.
8/14/2019 Copy of Power Distribution Transformer
19/25
KESC TRAINING CENTREKESC TRAINING CENTRE
OIL INDICATOR FOR TAPOIL INDICATOR FOR TAP
CHANGERCHANGER
Tap Changer position on top
of transformers
P
R
E
S
S
U
R
E
R
E
L
IE
V
CONTACT ON
PRESSURE
RELIEV
8/14/2019 Copy of Power Distribution Transformer
20/25
KESC TRAINING CENTREKESC TRAINING CENTRE
8/14/2019 Copy of Power Distribution Transformer
21/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Oil drain Position, of theil drain Position, of thepower-transformerower-transformerSample oilample oil
OILDRAIN- FROM TANK
CONNECTION OF
CENTEFUGING
MACHINE
TOP
MIDDLE
BOTTOM
8/14/2019 Copy of Power Distribution Transformer
22/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Surge Arrestors & CableSurge Arrestors & Cable
TerminationTermination
Surge Counter
Arraster(surge)
132kv cable
Termination
EHT Bushing
(connected to tras
B/B)
8/14/2019 Copy of Power Distribution Transformer
23/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Mounting of Bushing on theMounting of Bushing on the
transformerstransformers
EHT HOUSING
EHT Torture Short-Circuit
11kv Bushing
mounted
EHTbushing
connected
to Main
Tank
8/14/2019 Copy of Power Distribution Transformer
24/25
KESC TRAINING CENTREKESC TRAINING CENTRE
Home Assignment for vivaHome Assignment for viva
1-How many types of relays installed1-How many types of relays installed
atat
a-Transformer b-Breaker c-Feedersa-Transformer b-Breaker c-Feeders
Signal Indication.Signal Indication.
2-Essential Parts Of2-Essential Parts Of
Power Transformer and BreakersPower Transformer and Breakers
3-Equipment Installed at Grid-station.3-Equipment Installed at Grid-station.4-Purpose & Function of equipment4-Purpose & Function of equipment
installed at EHT Grid-Station.installed at EHT Grid-Station.
8/14/2019 Copy of Power Distribution Transformer
25/25
Question related TEST point of view.Question related TEST point of view.
Recommended