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INSTITUTE OF TECHNOLOGY
AND MANAGEMENT

1

DATE:-25 October 2010

NTPC
India’s Largest
Power Company….
Presented By;
ISHU CHAUHAN
E.C.E- 4th year
0728531017 2

TABLE OF CONTENTS:-

 1.INTRODUCTION.
 2.PERFORMANCE STATISTICS.
 3.FEATURES.
 4.OVERVIEW OF PLANT’s WORKING.
 5.C&I DEPT.
 6.THERMAL PLANT.
 7.MAIN COMPONENT OF PLANT.
 8.CONCLUSION.

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INTRODUCTION
 1975- NTPC was set up in 1975 with
100% ownership by government of
INDIA . In the last 30 year NTPC Grown
into the largest power utility in India

 1997- in 1997 govt. of India granted NTPC
status of NAVRATNA being on of the nine
jewels of India, enhancing the power of the
board of director .
2004- NTPC become a listed COMPANY
with majority govt. ownership of 89.5%
NTPC become 3rd largest by market
capitalization of listed company.

2008- NTPC is largest power generation
company in India. Forbes global 2000 for
2008 ranked it 411 in the world. 4

PERFORMANCE
STATISTICS

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 TABLE SHOWS THAT WHILE THE INSTALLED CAPACITY
HAS INCREASED BY 62.15% IN THE LAST TWELVE YEARS THE
GENERATION HAS INCREASED BY 99.84% .

DESCRIPTION UNIT 1998-99 2009-10 % OF INCREASE

Installed
MW 17,786 28,840 62.15
Capacity

1,09,50 2,18,84
Generation MUs 99.84
5 0

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FEATURES :World top ten power company,
*Main focus on sustainable
developement
*Golden Peacock Awards for
Excellence in Corporate
Governance in2003
*Installed capacityof 28,644 MW
through 31 power station
*Operates 18 coal based, 8 gas
based and 5 joint venture power
station
*17000MW under construction on
at 17 location
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NTPC DADRI

 It is country’s only 3-in-1 project-coal
based, gas based and converter based
 A new stage i.e; STAGE-II is now in
running position with a capacity of 980MW
(2*490)
 To lighten up the CWG-2010 and for
benefit of Delhi and UP
 It generates 840 MW power from coal
based station and 817 MW power from gas
based station 8

PLANT’S WORKING

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COAL TO ELECTRICITY

 COAL TAKEN.

COAL TRANSPORTATION.

CRUSHED COAL TO FURNACE.

SENDING TO PRE-HEATERS & MILL.
WATER PASSES TO BOILER DRUM.
DRUM TO BOTTOM RING HEADER.

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WATER RISES UP TO WALL TUBES.

MIXTURE TAKEN TO THE BOILER DRUM.

STEAM SENT TO SUPER HEATERS AND
GOES TO TURBINE.

ASH PARTICALS ARE EXTRACTED.

STEAM ENTERS HIGH PRESSURE
CYLINDER OF TURBINES.

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CONTROL &
INSTRUMENTATION………
“BRAIN OF THE
PLANT”….

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This division calibrates
various instruments and take
care of any faults occur in
the auxiliaries in the plant.

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MANOMETRY LAB

 PROTECTION & INTERLOCK LAB

 AUTOMATION LAB

 PYROMETRY LAB

FSSS LAB.

 ELECTRONICS TEST LAB 15

MANOMETRY LAB

It is basically used for the measurement
of the gases and liquids..with the help of
following equipments:-
1.TRANSMITTERS.
2.MANOMETER.
3.BOURDEN PRESSURE GAUGE.

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PROTECTION AND INTERLOCK
LAB
It is basically interconnecting two or more
equipments so that if one equipment fails other one
can perform the tasks with the help of following etc..
1.RELAY.
2.FUSES.
3.MINIATURE CIRCUIT BREAKER.

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AUTOMATION LAB.
 This lab deals in automating the existing
equipments and feeding routes.

 1.Liquid in glass thermometre.
 2.Ultra violet sensors.
 3.Thermocouples.
 4.RTD’s

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Furnance Safety and Supervisory
System Lab.
(FSSS)

 This lab has the responsibility of
starting fire in the furnance to
enable the burning of coal.

 For firing the furnance a 10KV
spark plugis operated for ten
seconds.
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ELECTRONICS LAB.

 THIS LAB UNDERTAKES THE
CALIBERATIONS AND TESTING OF
VARIOUS CARDS.

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“THERMAL PLANT”

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 A THERMAL POWER STATION
COMPRISES OF ALL THE EQUIPMENT
AND A SUBSYSTEM REQUIRED TO
PRODUCE ELECTRICITY BY USING A
STEAM GENERATING BOILER.

 SUCH POWER STATIONS ARE MOST
USUALLY CONSTRUCTED ON A VERY
LARGE SCALE AND DESIGNED FOR
CONTINUOUS OPERATION.

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 SOME OF THE MAIN
COMPONENTS OF THE PLANT
ARE :-

COOLING TOWERS.

THREE PHASE
TRANSMISSION LINE.
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 ELECTRICAL GENERATOR.
 BOILER FEED WATER PUMP.

 STEAM POWERED PUMPS.

 CONTRL VALVES.

 DEAERATOR.

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 FEED WATER HEATER.

 PULVERIZER.

 BOILER STEAM DRUM.

 SUPER HEATER.

 ECONOMIZERS.
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 AIR PREHEATER.

 PRECIPITATOR.

 FUEL GAS STACK.

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