stability improvement of power system

8/19/2019 Stability Improvement of Power System

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ABOUT ORGANISATION •NTPC, was setup in 1975 world’s largest• NTPC has installed capacity of 29,9! "#$•15 coal %ased power stations &2,95 "#'•7 gas %ased power stations &,955 "#'•! power stations in (oint )entures &1,79! "#'$•The co*pany has power generating facilities in all *a+or

regions of the country$

•n -or%es list of #orld’s 2... /argest Co*panies for theyear 2..7, NTPC occupies !11th place$

http://www.ntpc.co.in/cms/index.php?page=Installed-Capacityhttp://www.ntpc.co.in/cms/index.php?page=Installed-Capacity


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NTPC-A MaharatnaCompany…

InstalledCapacity..41184 MW

77%

0%

10%

13%

Installed Capacity NTPC (41184 MW)Coal

Hydro

Renewable

as

!"


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NTPC ANTA

It is a Gas Based Combined Cycle Power

Project. It is not only the first Gas Power

Plantof NTPC but is also the beginning of an era of

state of art Combined Cycle Power Plants in

the country.


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BRIEF DISCRIPTION OF NTPC ANTA

• Established in : 1989

• Type o station :!as based "o#bined "y"le

• $o"ation : Anta in Ba%an dist%i"t o Ra&asthan

• Total land : '9()*+ a"%es)

• F,el : Nat,%al !as- Naphtha

• F,el so,%"e : By !AI$ th%o,.h /B0 Pipe line

• ate% so,%"e : 2OTA RI!/T 3AIN CANA$

• !as T,%bine O,tp,t: ' 4 88)*1 3

• Stea# T,%bine O,tp,t : 1+')5( 3

• Net plant O,tp,t : 619)''3


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Units Confguration

G T 1 B

8 8 . 7 1 S

T 1

C 1 5 3 . 2

G T 1

C

8 8 . 7 1

G T 1 A

8 8 . 7 1


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GAS TU!"N#


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C$MP$N#NTS $ GAS TU!"N#&

Air inta'( syst(m Compr(ssor

Com)ustion *ham)(r

Gas Tur)in(

G(n(rator


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p(* *a ons o as Tur)in(

#% T'RIN$ 88MW

T*P$ # #% T'RIN$

+ %ta,e T C&MPR$%%&R

18 %T#$ #-I# /&W (T*P$ "# 140 18)

C&M'%TI&N CH#M$R %IN$ %I& T*P$'RN$R %IN$ %T#$ '# /IR$

#IR INT#2$ /IT$R T*P$ %$/ C$#NINT$N$2#* C#RTRI$%


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ST#AM TU!"N#

St(am Tur)in( is a rotating ma*hin( ,hi*h*on(rts .(at #n(rgy o+ St(am into M(*hani*a/#n(rgy

Th( NTPC Po,(r P/ants ,ith St(am Tur)in( us(san'in Cy*/(

Th( stag(s ar( arrang( in .P an 2P tur)in(sriing a/t(rnating *urr(nt +u// *apa*ity tur)o

g(n(rators Th(r( ar( no o+ )/a(s a/t(rnati(/y f4 an

rotat( u( to ,hi*h (/o*ity is in*r(as( anpr(ssur( is (*r(as(


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ST#AM TU!"N#

ST#AM

TU!"N#

M#C.AN"CA2 #N#G5

G#N#AT$

#2#CT"CA2 #N#G5

or 1630 M8 UN"T

at( o9p :1630M8

#*onomi* o9p -130M8

otation Sp(( :3000rpm


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%T$#M T'RIN$


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.o, o(s a Com)in( Cy*/( P/ant 8or';


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aste /eat Boile%

• 7sed hen aste heataailable at

#edi,#hi.h te#p

• A,;ilia%y ,el b,%ne%s

,sed i stea# de#andis #o%e than the aste

heat "an .ene%ate

• 7sed in heat %e"oe%y

%o# e;ha,st .ases%o# .as t,%bines and

diesel en.ines


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Water 3or Ter5al PowerPlants

.igh pr(ssur( )oi/(rs ar( us( +or st(amg(n(ration in th(rma/ po,(r p/ants

U/tra pur( ,at(r is r(

"mpuriti(s in ,at(r ar( o+ importan*( ,h(n

,at(r is to )( us( +or st(am g(n(ration!8 is ?6 % *on(nsat( an 6 % ma'(up

,at(r


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I5p6rities in Water and its

$7ect on oiler


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oiler %cale on Water %ide


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/ailed T6bes %owin, %i,ns o3 ot

Corrosion /ail6re and &ereatin,


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oiler /eed WaterTreat5ent

Th(r( ar( t,o st(ps&

@M P/ant

@(-a(ration


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M P#NT

@(min(ra/iation or @(ionisation is th(pro*(ss o+ r(moing min(ra/ sa/ts +rom ,at(r)y using th( ion (4*hang( pro*(ss

Th( +o//o,ing ions ar( ,i(/y +oun in ra,,at(rs

#nionsCa/*ium =CaB>

Magn(sium =MgB>Soium =NaB>Potassium =B>

Ch/ori( = C /->

!i*ar)onat( =.C $3->Nitrat( =N$3->Car)onat( =C $3->

Cations


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eioni9ation process

a, ,at(r is frst pass( through th(Cation r(sin )( *ontaining SAC (sin in .B +orm Ca Mg E Na ar( r(mo( an th(

sa/ts ar( *on(rt( to th(ir r(sp(*ti( a*is Th(s( a*is ar( pass( through Anion r(sin

)( ,h(r( th( anion /i'( C/ S$3 ar( r(mo(

So ,( *an g(t th( pur( ,at(r


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M P#NT


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i T,o-!( (ioniation

ii Mi4(-!( (ioniation

Te two type o3deioni9ation are


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Two:ed eioni9ation


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Mi;ed:ed eioni9ation


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eaeration o3 Water@isso/( o4yg(n in ,at(r is a maFor *aus( o+

)oi/(r syst(m *orrosion "t shou/ )( r(mo()(+or( th( ,at(r is put in th( )oi/(r

Tere are two 5etod

.(ating th( ,at(r in a (a(rating h(at(r $4yg(n S*a(ng(rs-

Corrosion )y o4yg(n in th( )oi/(r *an )(*ontro//( )y th( aition o+ Soium Su/ft(

=NaS$3> an .yrain( =N.>N. B $ H .$ B N


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&nline Monitorin, %yste5

$n/in( m(asurm(nt is ta'( p/a*( at S8AS

S8AS stans +or St(am an 8at(r Ana/ysis

Syst(mS8AS is main/y us( to *h(*' th(

h(a/thin(ss o+ st(am tur)in( an )oi/(r


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%W#% /low Cart

#a/ution

"nitia/Ca/*u/atio

n

@atainput

&2

*$%

%T$P 1

%T$P <

N

&


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%W#%


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%W#% #


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%ilica Meas6r5ent

• S(ri(s 6000 Si/i*a Ana/y(r is us( in po,(rp/ant

• .(r( ,( ar( us( Mo/y)aosi/i*at(9h(t(ropo/y)/u( m(tho o+ ana/ysis +or *o/orim(tri*m(asur(m(nt o+ si/i*a

• Rea,ent

•

Hydrocloric acid•


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%eries +000 %ilica analyser

Ran,e:

0.0:+000 =,>

#cc6racy:

? 1 =,>


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P Meter

H#CH


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Corrosion e7ect wit P


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issoled &;y,en

Mo(/ ?36 is a mi*ropro*(ssor-*ontro//(on-/in( monitor +or m(asuring isso/(o4yg(n in (a(rat( ,at(rs (g )oi/(r+(( ,at(r

our rang(s ar( aai/a)/(& 0 to 1?? 0 to1?? Ig'g:1 0 to 1?? an 0 to 1?? mg'g:1J rang( *hang( is automati*

Th( monitors *onsist o+ t,o is*r(t( unitsth( (/(*troni*s

i transmitt(r unit

ii s(nsor unit


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2$NT @4A+

Ran,e:0 to 1@.@=,B,

1

#cc6racy:

?1=,B,1


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Cond6ctiity Meter

2$NT 4+10

Ran,e:

0 to 1@.@@5,>l#cc6racy:

?0.+D?< di,its


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%odi65 Meas6r5ent

Th( A!! K037 Soium Monitor us(ssoium

ion-s(/(*ti( (/(*tro( an r(+(r(n*(

(/(*tro( to m(asur( th( soium ion*on*(ntration in po,(r station ,at(rs

Th( mo(/ K037 is an a**urat( r(/ia)/(

instrum(nt Th( monitors *onsist o+ t,o is*r(t( units

th( (/(*troni*s

i transmitt(r unit

ii s(nsor unit


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%odi65 analyser 80AE

Ran,e: 0.01 =, B,:1 to 105,.B,:1

#cc6racy: ?0.1 =, B,:1


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T$MP$R#T'R$ M$#%'R$M$NT

• T(mp(ratur( is a (gr(( o+ hotn(ss or *o/n(ss

• "t *an )( m(asur( using a th(rmom(t(r

• "tLs a/so a m(asur( o+ ho, +ast th( atoms anmo/(*u/(s o+ a su)stan*( ar( moing

• T(mp(ratur( is m(asur( in (gr((s on th(

ahr(nh(it C(/sius an (/in s*a/(s

T$MP$R#T'R$ M$#%'RIN


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T$MP$R#T'R$ M$#%'RININ%TR'M$NT%

1>!"M#TA22"C T.#M$M#T#

>M#CU5 "22#@ T.#M$M#T#

3>#S"STANC# T#MP#ATU#@#T#CT$

>T.#M$C$UP2#S


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IM$T#IC TH$RM&M$T$R

• !as( on T,o +unam(nta/ prin*ip/(s &

1> A// M(ta/s (4pan $r Contra*t ,ith *hang( in T(mp(ratur(

> Th( t(mp *o(*i(nt o+ (4pansion is i(r(nt+or a// m(ta/s Th( i(r(n*( in th(rma/ (4pansion o+ )oth m(ta/s is

proportiona/ to *hang( in t(mp(ratur(


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IM$T#IC TH$RM&M$T$R

Mat(ria/ Us( & /o, (4pansion mat(ria/ is "NOA

=a//oy o+ Ni E (> .igh (4pansion mat(ria/ is !ASS or

St((/

ang( & -6* to B660*

A**ura*y & Q06% +or /a)oratory typ("nstrum(nts

Q% +or pro*(ss typ( "nstrum(nts

@isaantag( & s/o,(r r(spons( tim(

Aantag( & 2o, Cost ugg( Constru*tion

"ni*ating typ(


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M$RC'R* /I$ TH$RM&M$T$R

• Th( *o(*i(nt o+ *u)i*a/ (4pansion o+ m(r*ury isa)out (ight tim(s gr(at(r than that o+ g/ass

• Th(r(+or( a g/ass *ontain(r ho/ing m(r*ury ,h(nh(at( ,i// (4pan +ar /(ss than th( m(r*ury it*ontains

• At a high t(mp(ratur( th( m(r*ury ,i// o**upy a

gr(at(r +ra*tion o+ th( o/um( o+ th( *ontain(r than it,i// )( at /o, t(mp(ratur(


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M$RC'R* /I$TH$RM&M$T$R

• ang( & -0* toR?*

• (spons( tim( & - 6 s(*

• (atur(s & apir(spons( A**ura*y

• @isaantag(s & $)F(*tion tom(r*ury on a**i(nta/

)r(a'ag(


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TH$RM&C&'P$

• PRINCIP$ Th(rmo (/(*tri* #(*t

• "+ t,o issimi/ar m(ta/s ar( Foin( tog(th(r so as to+orm a */os( *ir*uit th(r( ,i// )( t,o Fun*tions ,h(r(

th(y m((t (a*h oth(r Th( amount o+ *urr(nt prou*( (p(ns on

th( i(r(n*( in t(mp(ratur( )(t,((n t,o Fun*tions


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R$%I%T#NC$ T$MP$R#T'R$$T$CT&R

• #/(*tri*a/ r(sistan*( *an a/so )( us( to(t(rmin( t(mp(ratur(

• (sistan*( o+ th( s(nsor *hang(s as th(t(mp(ratur( *hang(s


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R$%I%T#NC$ T$MP$R#T'R$$T$CT&R

• ang( & -00 to R60*

• ast (spons( Tim( & to 3 s(*

• #4*(//(nt (p(ata)i/ity

• Sma// Si(

• .igh M(/ting point & 1773*

• 2imit( sus*(pti)i/ity to *ontamination


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PR$%%'R$M$#%'R$M$NT

• .yrostati* gaug(s =su*h as th( m(r*ury *o/umnmanom(t(r> *ompar( pr(ssur( to th( hyrostati* +or*(p(r unit ar(a th( th( )as( o+ a *o/umn o+ ui

• Piston-typ( gaug(s *ount(r )a/an*( th( pr(ssur( o+ui ,ith a so/i ,(ight or a spring

&'R&N


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&'R&N

• A )ouron gaug( us(s a *oi/(

tu)(

• As it (4pans u( to pr(ssur(in*r(as(s *aus(s a rotation o+

an arm *onn(*t( to th( tu)(

• As th( gaug( pr(ssur( in*r(as(s th(tu)( ,i// t(n to un*oi/

• This motion is trans+(rr( through a /in'ag( to a g(ar train *onn(*t( to an ini*ating n((/(


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$&W%

• Th(s( (i*(s us( th( s(a/( *ham)(r as a

r(+(r(n*( pr(ssur( an ar( ri(n )y (4t(rna/pr(ss


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$&W%

r( s(nsiti( than !ouron tu)( gaug(s

n,e & @o,n to 3psi

aracteristic &3 Material & @u*ti/( .igh Str(ngth

danta,es & Mo(rat( Cost Aapta)/( +or a)so/ut( an i(r(ntia/ pr(ssur(s

isadanta,es Unsuita)/( +or high pr(ssur(

stability improvement of power system

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