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Activities adopted for

Performance Improvement

3 x 250 MW Thermal Power Plant

ISO 00!"200#$ ISO !%00!"200% & O'SAS !#00!"200( certified

)*d+e )*d+e ,eneratin+ Station


2/36

Agenda

)rief introd*ction of -.S- /imited & )),S

Performance parameters & Trends

Activities *ndertaen for improvement

Awards & Accolades


3/36

A1o*t -.S- /imited & )),S


4/36

ew -ossipore !%!00 MW

Tita+arh!#34#%

2%0 MW

So*thern

!04!

!35 MW

)*d+e )*d+e

!($! & 20!0(50 MW

a RP-Sanjeev Goenkagroup Company in the

business of generation &distribution of electricitysince 1!!

"otal licensed area #$% s' kms( in &around )olkata

Consumer base # over*+$ million

"otal Generationcapacity # 1(**$ ,

CESC/imited


5/36

Maor /andmars 6nit 4 ! 6nit 4 2 6nit 4 3

Trial s7nchroni8ation !9:0:( 09:03: !2:0(:0

-ommercial +eneration 0(:!0:( 0!:0(: 2#:02:!0

;*ll load +eneration 29:02:# 0:0#: 2:0:0

is the latest$ lar+est & most modern power plant of

ISO !%00!"200%ISO 00!"200# O'SAS !#00!"200(


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Performance parameters


7/36

70

75

80

85

90

95

100

105

(5:0

(5:#% (

:#5

#9:3#

:9!

:((

!00:%3

!00:53

3:(5

#2:(#

0:!9

Plant /oad ;actor

Plant /oad ;actor and ,eneration

3000

3500

4000

4500

5000

5500

6000

6500

3$2#

3$322 3$5

0(

3$(#%

%$393

%$3(0

%$%!!

%$%03

%$2#9

5$%3

5$%0

,eneration


8/36

Activities ? to improve P/;

.xport d*rin+ ni+ht lean periods d*e to tradin+

opport*nit7 in power as per Indian .lectricit7

Act$ 2003

5= overloadin+ of machines with the

conc*rrence of O.M eepin+ all parameterswithin limits

.ns*rin+ relia1ilit7 of 6nits


9/36

0040!

0!402

02403

0340%

0%405

05409

0940(

0(40#

0#40

04!0

!04!!

!!4!2(0

(5

#0

#5

0

5

!00

!05

0

!00

200

300

%00

500

900

(00

(%:0

%

(5:0

(5:#

% (:#

5#9:3#

:9

!

:(

(

!00:%3

!00:53

3:(

5

#2:(

#

0:!

9

0 0 0 (:5

160

%!#%5# %%!

301

!5

!0( !29

P/; = .xport

P/; vis4@4vis .xport


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00-01

01-02

02-03

03-04

04-05

05-06

06-07

07-08

08-09

09-10

10-11

11-12

80

85

90

95

100

2:(!

3:0

%:9

9

!:(% 2:

(%

(:%

(

(:0

%

(:3

(:5

%

%:9

!

!:#

5:2

Plant Availa1ilit7 ;actor


11/36

Activities ? to improve PA;

Reduction of Annual overhauling period

Ann*al overha*l period from 2# da7s to !2 da7s 6se of s7 clim1ers

eplacement of wind41ox internals which were earlier repaired

.n+a+ement of m*ltiple contractors 2%x( hrs T, maor overha*lin+ ever7 9 7ears

Ancillar7 plants overha*l thro*+ho*t the 7ear


12/36


Improved Maintenance Practices Bail7 maintenance plannin+ meetin+s for planned o1s

-;T for condition 1ased monitorin+ & predictive maintenance

enewal of )oiler 1ac4pass t*1es in a planned manner to red*ce

)oiler t*1e leaa+es

Proactive identification of )oiler t*1e leaa+es vide Aco*stic T*1e

lea Betection S7stem


13/36


Improved Operational Practices 34tier checlist s7stem for monitorin+ eC*ipment health

Strict parameter deviation monitorin+ 17 operation personnel

Installation of ./- machines for online oil conditionin+

Installation of ch*te vi1rators to prevent ch*te choa+e d*rin+

monsoon

;orced air coolin+ of T*r1ine to red*ce downtime

Standard operatin+ proced*res


14/36

00

40!

0!

402

02

403

03

40%

0%

405

05

409

09

40(

0(

40#

0#

40

0

4!0

!0

4!!

!!

4!2

7.60

8.10

8.60

9.10

9.60 :33 :!#:3

:0%

#:9

#:32#:!3 #:03 #:00

#:29

#:92

#:25

004

0!

0!4

02

024

03

034

0%

0%4

05

054

09

094

0(

0(4

0#

0#4

0

04

!0

!04

!!

!!4

!2

70

75

80

85

90

95

100

(%:0%(5:0 (5:#%

(:#5

#9:3#

:9! :(( !00:%3 !00:53

3:(5

#2:(#

0:!9

Specific .ner+7 -ons*mption vis4@4vis P/;


15/36

Activities ? to improve Specific .ner+7 cons*mption

dP across feed control station has 1een red*ced from ori+inal

# D+Ecm2 to !:# D+Ecm2 th*s minimi8in+ throttlin+ loss

Optimi8in+ n*m1er of -W P*mp operation dependin+ on

seasonal temperat*re$ maintainin+ desi+n vac**m

Modification of ;*rnace draft control lo+ic related to IB ;an

vane and scoop control 17 main+ the vane operation 1and

d7namic with respect to the scoop position

Optimi8in+ -ompressor loadin+ E *nloadin+


16/36


Sta+e 1lindin+ in -ondensate .xtraction P*mp

6se of d*al speed -T fan motors to allow r*nnin+ at lower

speed d*rin+ winter

Intermittent operation of ISS hopper drains th*s red*cin+

r*nnin+ hrs of Intae p*mp

Timer circ*it has 1een incorporated to control o*tdoor

li+htin+ and *se of ener+7 efficient li+hts at control room


17/36


6se of ener+7 efficient motors

Installation of .ner+7 monitorin+ s7stem to monitor ener+7

cons*mption of electrical 1oards and 'T drives and th*s

ena1lin+ to tae corrective meas*res proactivel7

Future Plans Installation of FFF; drives for PA fans

6se of /.B lamps


18/36

00-01

01-02

02-03

03-04

04-05

05-06

06-07

07-08

08-09

09-10

10-11

11-12

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

0:(

%

0:9

!

0:9

0

0:3

0

0:2

3

0:!

2

0:!

3

0:!3

0:!

5

0:3

3

0:##

0:3

Higher oil consumption is

due to trial synchroniation

and sta!iliation o" #nit-3

Specific Oil cons*mption


19/36

Activities ? to improve Specific Oil cons*mption

'i+her relia1ilit7 & lesser O*ta+es

Trial of Oil +*ns witho*t oil cons*mption

To chec seC*ence of operation

To ens*re scaven+e taes place th*s clearin+ the oil tips


20/36

00-01

01-02

02-03

03-04

04-05

05-06

06-07

07-08

08-09

09-10

10-11

11-12

1.50

1.70

1.90

2.10

2.30

2.50

2.70

2.90

2:9

(

2:2#

2:2

% 2:35 2

:%(

2:!

!

!:#

5!:#

!:#

(!:

0

2:!

02:!

5

Specific Water -ons*mption


21/36

Activities ? to improve Specific Water cons*mption

Increase of the c7cle of concentration of -T-W s7stem 17

dosin+ corrosion inhi1itors E anti4scalant special chemicals

and monitorin+ -alci*m hardness level$ th*s decreasin+ -T

1low4down

-han+in+ the mode of operation of ISS hopper 1low4downfrom contin*o*s to intermittent$ there17 red*cin+ the

Intae water cons*mption


22/36

All Folatile chemical treatment in power c7cle water

there17 avoidin+ )oiler 1low4down

6tili8ation of -T-W 1low4down as station service water

Biversion of A-; 1acwash effl*ent to 'oldin+ pond for

rec7clin+

ecirc*lation of station effl*ent from holdin+ pond to raw

water treatment plant

Activities ? to improve Specific Water cons*mption


23/36

Ori+inal Scheme

$ooling %ater &ore!ay

CoolingaterPumps

-ondenser

T*r1ine

-oolin+ Tower

.ot ater

Cold ater

iver 'oo+li

'oldin+ PondRaw WaterTreatment

Plant

'tation

'er(ices

C" ,ake-up

Canteen

M*

nicipalBrain

)*

+lant

&ish+ond

evised Scheme

/ischarge outside Plant

,odifications done

'ludge

+it

C"0lo1do1n

Pump .ouse

Control of Plant effluentWe are a Gero .ffl*ent dischar+e Station


24/36

)ottom Ash Gero Bischar+e S7stem

$lic, to edit *aster tet styles'econd le(el

hird le(el

&ourth le(el

&i"th le(el

0 4 dischar+e s7stem

0 4 dischar+e s7stem schematic


25/36

-BM Proects

ed*ction of )oiler .fficienc7/oss d*e to 1low down 17

achievin+ All Folatile Treatment

E Gero Solid Treatment

Modification of ;*rnace draft

control lo+ic related to IB ;an

vane and scoop control

,lo1all7 ;IST Thermal Powerplant to re+ister 2 of o*r .ner+7

savin+ proects with 6;---


26/36

0040!

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02403

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0%405

05409

0940(

0(40#

0#40

04!0

!04!!

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0

20

%0

90

#0

!00

!20

!%0

!90!%!

!2

!!

!!0

9(

5#

%9

3%

50

%#

%#

%3

S*spended Partic*late Matter


27/36

Monitoring & Control SPM & RPM

Sl S7stems implemented

! Ammonia Bosin+ S7stem

2 Water ;o++in+ S7stem

3 B. & BS S7stem

% Br7 ;o+ S7stem

5 Water Sprinler S7stem

Major Initiatives Towards

Ammonia Bosin+ Ammonia Bosin+

Online SPM Online Stac


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$ategory #ses o" ash

1 Bricks / Blocks / Tiles / Cement

2 Roads & Embankments

3 Structural filling

4 Land filling

)ar+e Silos '-SS

Intiatives towards 100% As utilisation


29/36

Awards & Accolades

. i . ll d 200% & 2009


30/36

.nvironment .xcellence award ? 200% & 2009


31/36

ational Award for *tili8ation of ;l7

ash$ from Ministr7 of Power$ Ministr7 of

.nvironment & ;orests and Bepartment

of Science & Technolo+7 in 2005

ational Award for .xcellence in

.ner+7 Mana+ement from -II in 2005


32/36

ational Award for .xcellence in

Water Mana+ement from -II in 2005

,old award for .xcellence in

.nvironmental Mana+ement from

,reentech ;o*ndations in 2005$ 2009

& 200(


33/36

ational Award from -.A in 2004!0 for

meritorio*s performance amon+st

Thermal Power Plants in .nvironmental

Mana+ement

Awarded 17 -.A for achievin+ hi+hest

Plant /oad ;actor in the co*ntr7 in

2005409


34/36

Award for Innovative .nvironmental

Proect


35/36

,ood ,reen ,overnance award from

Srishti P*1lications in 20!!

Asian Power Award for )est

.nvironmental Mana+ement amon+st

all Power plants of Asia in 20!0


36/36

Than Ho*

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