2. Steam Turbine

8/10/2019 2. Steam Turbine

http://slidepdf.com/reader/full/2-steam-turbine 1/24



EGAT’s Equipment Standard Specifcation Steam Turbine and Auxiliaries

2. Steam Turbine and Auxiliaries

SECTION CONTENT PAGE

OF SUPPLY 3

2. CODE AND STANDARD 3

Error: Reference source not found TYPE

Error: Reference source not found PERFOR!ANCERE"UIRE!ENT

Error: Reference source not found !ATERIAL 2#

Error: Reference source not found INSPECTION AND TEST 2#

Error: Reference source not found PAINTING AND CODING 2$

Error: Reference source not found SPARE PART LIST 23

Att%c&'ent

$. SCOPE OF SUPPLY

/ 24 Re !




T&e s(ec)f)c%t)on )s to (ro*)de t&e ')n)'u' re+u)re'ents for t&e ste%' tur,)ne %nd %u-) )%r/

e+u)('ents.

T&e e+u)('ent %nd ser*)ces to ,e furn)s&ed )nc ude0 ,ut %re not )')ted to0 t&e fo o1)n :

• Ste%' Tur,)ne

• ) &0 Inter'ed)%te %nd Lo1 Pressure Ste%' Tur,)ne Sto( %nd Contro 4% *e

• Ste%' Tur,)ne S&%ft Se% )n S/ste'

• Ste%' Tur,)ne Go*ern)n S/ste' %nd Contro S/ste'

• Ste%' Tur,)ne Lu,r)c%t)on S/ste'

• Ste%' Tur,)ne Accessor)es

• Ste%' Tur,)ne Su(er*)sor/ Instru'ent%t)on

• Ste%' Tur,)ne Insu %t)on %nd L% )n

• Turn)n Ge%r

• Cou( )n s 5)nc uded ,o ts0 nuts %nd cou( )n u%rds6

2. CODE AND STANDARD

E+u)('ent %nd '%ter)% s furn)s&ed under t&)s s(ec)f)c%t)ons s&% ,e des) ned %nd

constructed )n %ccord%nce 1)t& t&e %test ed)t)on of t&e fo o1)n codes %nd st%nd%rd:

• A'er)c%n N%t)on% St%nd%rd Inst)tute 5ANSI6

• A'er)c%n Soc)et/ of !ec&%n)c% En )neer 5AS!E6• A'er)c%n Soc)et/ for Test)n %nd !%ter)% s 5AST!6

• Ger'%n Inst)tute for St%nd%rd)7%t)on 5DIN6

• 8r)t)s& St%nd%rds 58S6

• 9%(%nese Industr)% St%nd%rds 59IS6

• Intern%t)on% E ectrotec&n)c% Co'')ss)on 5IEC6

• Inst)tute of E ectr)c% %nd E ectron)cs En )neers 5IEEE6

• A'er)c%n e d)n Soc)et/ 5A S6

• A'er)c%n Inst)tute of Stee Construct)on 5AISC6

Page " / 24 Re !




T&e ste%' tur,)ne s&% ,e (rotected fro' t&e effects of 1%ter c%rr/o*er under % nor'%

%nd %,nor'% cond)t)ons. If s(ec)% (rotect)on e+u)('ent )s (ro*)ded0 t&e o(er%t)on of t&e

de*)ce5s60 t&e set (o)nts %nd t&e 'et&od of t&e resett)n t&e s/ste' for nor'% o(er%t)on

s&% ,e (ro*)ded.

Dr%)ns s&% ,e (ro*)ded %t % (o)nts 1&ere 1%ter '%/ co ect dur)n t&e (er)od of

1%r')n u( or dur)n nor'% o(er%t)on. Dr%)n (o)nts do1nstre%' of t&e tur,)ne sto( *% *e

s&% d)sc&%r e )nto condenser.

Tur,o;su(er*)sor/ s/ste' s&% ,e (ro*)ded to 'on)tor '%c&)ne *%r)%, es 1&)c& %re

necess%r/ for t&e (ro(er o(er%t)on of t&e tur,)ne tr%)n. Instru'ent%t)on s&% ,e (ro*)ded

for cont)nuous 'on)tor)n of t&er'% stresses )n t&e c%s)n . Contro %nd 'on)tor)n of

tr%ns)ent t&er'% stresses )n t&e c%s)n 0 s&e %nd *% *e c&est s&% ,e (ro*)ded. Su)t%, e

'on)tors of s&%ft eccentr)c)t/ %nd (os)t)on0 s&%ft *),r%t)on e*e s0 d)fferent)% t&er'%

e-(%ns)on ,et1een rotor %nd c%s)n 0 ,e%r)n o) te'(er%ture s&% % so ,e (ro*)ded to

ensure t&%t t&ese %re 1e 1)t&)n t&e des) n )')ts.

At'os(&er)c re )ef d)%(&r% 's s&% ,e (ro*)ded )n t&e tur,)ne e-&%ust &ood to (re*ent

(os)t)*e (ressur)7%t)on. !otor or (neu'%t)c% / o(er%ted *%cuu' ,re%>er *% *es 1)t& )n et

f) ter s&% ,e (ro*)ded %t t&e condenser.

Tur,)ne %uto'%t)on s/ste' %nd o*ers(eed o*ernor s/ste' s&% ,e (ro*)ded. Contro

re )'es0 'ec&%n)s' %nd (&) oso(&/ of t&e ste%' tur,)ne for *%r)ous t/(es of st%rt;u(0

s/nc&ron)7%t)on0 o%d ()c>;u(0 s&utdo1n %nd tr)( s&% ,e e-( %)ned )n det%) .

A )st of t&e %ccessor/0 )nterf%c)n to t&e d)str),uted contro s/ste'0 % %r' %nd tr)( sett)n s

s&% ,e (ro*)ded.

T&e ste%' tur,)ne s&% ,e oc%ted )n % su)t%, e ,u) d)n 0 %nd fu / ser*)ced ,/ t&e

o*er&e%d cr%ne5s6 )nst% ed )n t&e ,u) d)n .

.$.$ Tur,)ne C%s)n

T&e c%s)n s&% ,e &or)7ont% s( )t %nd su((orted %t t&e center )ne0 1)t& f e-), e su((orts %t

&) & (ressure end.

Des) n %nd construct)on of t&e tur,)ne c%s)n s s&% ,e suc& %s to ')n)')7e d)stort)on due

to d)fferent)% t&er'% stresses under % o(er%t)n cond)t)ons )nc ud)n st%rt;u(0 s&utdo1n0

o%d c&%n es0 s/ste' f uctu%t)on0 o%d re=ect)on %nd o*er o%d o(er%t)n 0 ensur)n t&e

Page # / 24 Re !




re+u)red concentr)c)t/ c%n ,e 'et %t % t)'e. Su)t%, e 'e%sures s&% ,e %do(ted to (ro*)de

free t&er'% 'o*e'ent of t&e tur,)ne c%s)n s. Pro*)s)ons s&% ,e '%de )n t&e des) n of

t&e tur,)ne to contro t&er'% stresses )n t&e tur,)ne c%s)n .

Pro(os% s to )')t d)fferent)% e-(%ns)on of t&e tur,)ne c%s)n s %nd rotors dur)n st%rt;u( %nd

s&ut;do1n s&% ,e )nc uded.

T&e des) n %nd '%ter)% s of construct)on of t&e c%s)n s s&% ,e suc& t&%t t&ere 1) ,e no

e%>% e0 ro1t& or deter)or%t)on of %n/ (%rt under % o(er%t)ons 1&)c& '%/ %ffect t&e

eff)c)enc/ %nd re )%,) )t/ of t&e un)t. T&e t&er'% tre%t'ent (ro(osed to ')n)')7e d)stort)on

s&% ,e st%ted. T&e c%s)n s s&% ,e d)*)ded on t&e &or)7ont% center )ne %nd t&e =o)nt s&%

(refer%, / ,e of 'et% to 'et% des) n.

A tur,)ne c%s)n ,o ts %s 1e %s t&ose for tur,)ne *% *e ,od)es su,=ected to &) &

te'(er%ture %nd (ressure s&% ,e '%de of &) & stren t& % o/ stee . T&e ,o t '%ter)% s&%

,e so des) ned t&%t ret) &ten)n of tur,)ne ,o ts %fter % on (er)od of ser*)ce )s not

re+u)red. E%c& ,o t s&% ,e su)t%, / '%r>ed to )dent)f/ t&e oc%t)on %nd '%ter)% 0 %nd

1&et&er t&e ,o t &%s ,een s&o( )ns(ected. One d)st)nct nu',er)n s/ste' s&% ,e

'%)nt%)ned %t s&o( %nd s)te to )dent)f/ t&e ,o t oc%t)ons. 8o ts of d)fferent '%ter)% s s&%

(refer%, / ,e of d)fferent s)7es. T&e ,o ts s&% ,e t) &tened ,/ ,o t &e%t)n 'et&od.

Det%) s of % c%s)n =o)nt ,o ts )nc ud)n '%ter)% s0 no')n% s)7es0 1%)st)n %nd )n)t)%

t) &ten)n str%)n s&% ,e (ro*)ded. 8o ts %nd studs str%)n contro ed t) &ten)n 'et&od

s&% ,e descr),ed.

T&e c%s)n s&% ,e (ro*)ded 1)t& e-&%ust &ood s(r%/s to (rotect t&e tur,)ne % %)nst

e-cess)*e te'(er%ture 1&en o(er%t)n tr%ns)ent / or cont)nuous / %t o1 o%d.

T&e tur,)ne c%s)n s s&% ,e su)t%, / % ed to reduce &e%t oss %nd to (re*ent )n=ur/ to

o(er%t)n (ersonne .

Forced %)r coo )n f%c) )t)es of t&e tur,)ne 5)f %(( )c%, e6 s&% ,e (ro*)ded so t&%t 1&en t&e

tur,)ne )s s&ut do1n for )ns(ect)on or '%)nten%nce. T&e tur,)ne )ntern% te'(er%ture c%n ,e

+u)c> / ,rou &t do1n to %cce(t%, e e*e for %ccess for 1or>)n .

.$.2 Tur,)ne Rotors ? 8 %d)n

T&e rotor s&% ,e constructed 1)t& 1&ee >e/ed to t&e s&%ft or so )d for ed stee rotor or

'ono, oc for )n 1)t& )nte r% / for ed cou( )n &% *es %nd )nserted , %d)n %s re+u)red ,e

Page $ / 24 Re !




des) n o(er%t)n cond)t)ons. Do*et%) ed roo*es s&% ,e turned )n t&e 1&ee s to secure /

&o d t&e )nd)*)du% , %des. If 1e ded rotor or &o o1 rotor )s (ro*)ded0 t&e fo o1)n d%t%

s&% ,e (ro*)ded for cons)der%t)on:

• Det%) s of rotor 'ec&%n)c% des) n 5f%t) ue0 stress corros)on0 etc.6

• Nondestruct)*e e-%')n%t)on 5u tr%son)c test)n 6 s&% ,e (ro*)ded to *er)f/ t&e )nner

surf%ce )n &o o1 1)t&out cr%c>)n for &o o1 rotor %nd to *er)f/ t&e 1e ds for 1e ded

rotor.

T&e rotor s&% ,e des) ned suc& t&%t t&e cr)t)c% s(eeds %re 1e %1%/ fro' t&e nor'%

runn)n s(eed. T&e des) n cr)t)c% s(eed of t&e rotor s&% ,e outs)de t&e r%n e of @#< to

$2#< of t&e r%ted s(eed %nd %1%/ fro' t&e n%tur% fre+uenc/ of t&e stee or concretefound%t)on.

T&e co'( eted tur,)ne rotor s&% ,e ,% %nced %nd test %t $ < o*ers(eed for % ')n)'u' of

2 ')nutes )n t&e '%nuf%cturerBs ( %nt )n order to ensure t&%t % %'( )tudes of *),r%t)on %re

1)t&)n %cce(t%, e )')ts.

Pro*)s)on s&% ,e '%de )n t&e des) n %nd '%nuf%cturer of t&e rotor to ')n)')7e stress

concentr%t)ons.

T&e rotor s&% % so ,e c%(%, e to s%fe / 1)t&st%nd % t&ree (&%se s&ort c)rcu)t of t&e

ener%tor %t $##< r%ted *o t% e.

A round)n de*)ce s&% ,e (ro*)ded ,et1een t&e st%t)on%r/ %nd rot%t)n (%rts of t&e

tur,)ne to (re*ent t&e f o1 of s&%ft currents ,et1een rotor %nd t&e ,e%r)n s.

T&e ste%' tur,)ne %nd ener%tor cou( )n s&% ,e s&r)n> f)tted t/(e or )nte r% 1)t& t&e

s&%ft %nd %'( / stron to 1)t&st%nd s&oc>s dur)n o(er%t)on0 )nc ud)n ener%tor s&ort

c)rcu)t %nd s/nc&ron)7)n out of (&%se. T&e cou( )n s&% ,e des) ned 1)t& &/dr%u )c

r%d)% f)t ,o ts t/(e so %s to (er')t e%s/ %nd r%()d d)sconnect)on0 re%sse', / %nd

% ) n'ent.

E%c& rotor s&% ,e d/n%')c% / ,% %nced %t s&o( %nd f)n% %d=ust'ents s&% ,e c%rr)ed

out on s)te or %t s&o( 5)f re+u)red6 1&en t&e co',)ne rotor )s co'( ete / %sse', ed.

T&e ste%' tur,)ne , %de s&% ,e of '%ter)% s )n %ccord%nce 1)t& '%nuf%cturerBs

st%nd%rds %nd )ncor(or%te t&e %test ste%' tur,)ne tec&no o / re %t)n to )'(ro*e'ent of

Page % / 24 Re !




, %des to reduce (rof) e oss second%r/ f o1 oss %nd s&% ,e % so secure / %nd

%de+u%te / %nc&ored %nd re%d) / rene1%, e. e d)n of , %d)n to 1&ee d)sc 5)f re+u)red6

s&% not ,e %cce(t%, e )n %n/ st% e.

E%c& d)%(&r% ' or st%t)on%r/ , %de s&% ,e s( )t % on t&e &or)7ont% center )ne %nd %

do1e ed ton ue %nd roo*e =o)nt s&% ,e (ro*)ded to ensure correct % ) n'ent %nd

(re*ent )nterst% e e%>% e.

T&e d)%(&r% ' &% *es 5)f re+u)red6 s&% ,e secure / (os)t)oned )n t&e c%s)n .

T&e %st ro1s of o1 (ressure , %de o(er%te )n ste%' t&%t &%s &) & 'o)sture content. To

')n)')7e , %de eros)on fro' t&e 'o)sture0 t&e e%d)n ed es of t&e , %des of t&e %ter

st% e %re )nduct)on &%rdened or co*ered 1)t& s%te )te. T&e (ro*)s)on of s%te )te str)(ss&% ,e fo o1ed t&e '%nuf%cturer st%nd%rd (r%ct)ce.

T&e des) n of t&e %st st% e , %de s&% ensure to use )n on ter' ser*)ce 1)t&out rotor

, %de root cr%c>)n .

T&e , %de s&% ,e of % des) n 1&)c& &%s ,een o(er%ted successfu / )n co''erc)%

ser*)ce. T&e n%tur% fre+uenc/ of % , %de ro1s s&% ,e suc& %s to %*o)d reson%nt

*),r%t)on %t or ne%r t&e nor'% o(er%t)n s(eeds. Co'( eted C%'(,e d)% r%'s s&% ,e

(ro*)ded for t&e %st t1o st% es o1 (ressure , %de.

T&e tur,)ne %-)% %nd r%d)% c e%r%nce s&% ,e so se ected t&%t %t no t)'e do t&e/ )')t t&e

o(er%t)on of t&e un)t. A o1%nce of %-)% %nd r%d)% c e%r%nce ,et1een tur,)ne rotor %nd

c%s)n s&% ,e (ro*)ded. Arr%n e'ent for ()(e connect)on to t&e tur,)ne %nd tur,)ne

e-&%ust connect)ons to t&e condenser to %cco''od%te t&er'% e-(%ns)on s&% ,e

) ustr%ted.

.$.3 8e%r)n s

A ,e%r)n s s&% ,e des) ned for (ressure u,r)c%t)on %nd s&% o(er%te 1)t&out )n=ur)ous

te'(er%ture r)se or under 1e%r.

A ,e%r)n s 'ust ,e s( )t to (er')t re'o*% of t&e u((er &% f for )ns(ect)on %nd 'ust ,e

re'o*%, e 1)t&out re'o*)n t&e rotor.

Page & / 24 Re !




A '%)n ,e%r)n s s&% ,e (ro*)ded 1)t& % (os)t)*e *)su% c&ec> for o) f o1 t&rou & t&e

,e%r)n s *)% s) &t f o1 )nd)c%tors. 8e%r)n &ous)n s s&% ,e des) ned so %s to (re*ent o)

or o) *%(ors e%>)n out. Le%>% e of o) or o) *%(ors fro' t&e ,e%r)n s )s not %cce(t%, e.

A t&rust ,e%r)n s&% ,e (ro*)ded to % ) n %nd '%)nt%)n t&e correct %-)% re %t)ons&)(

,et1een rot%t)n %nd t&e st%t)on%r/ (%rts of ste%' tur,)ne.

T&e ,e%r)n s of t&e ste%' tur,)ne s&% ,e of t&e &or)7ont% / d)*)ded t/(e0 o) u,r)c%ted0

re%d) / %ccess), e0 %d=ust%, e %nd re( %ce%, e 1)t&out d%'% e to t&e %d=%cent %nds.

T&e %rr%n e'ent of t&e =ourn% %nd t&rust ,e%r)n s to %cco''od%te t&e %-)% t&rust %nd

(oss), e 'odes of s(%n *),r%t)on of t&e ent)re (o1er tr%)n s&% ,e descr),ed. Pro*)s)on

s&% ,e '%de for e%se of c/ )nder re;% ) n'ent.

8e%r)n )ns(ect)on s&% ,e (oss), e 1)t&out re'o*% of t&e tur,)ne sto( &% f c%s)n .

A((ro*ed (ro-)')t/ %nd se)s')c *),r%t)on detectors s&% ,e (ro*)ded %t t&e - %nd /

d)rect)ons 5or t1o d)rect)ons (er ,e%r)n 0 @# de ree %(%rt6 %t e%c& rotor ,e%r)n for t&e

cont)nuous 'on)tor)n of t&e '%c&)ne *),r%t)on. T&e *),r%t)on of % ,e%r)n s&% ,e

des) ned fo o1)n 1)t& ISO$# $ ;2 %nd ISO @$@;2 %t o(er%t)n s(eed.

.2 ) &0 Inter'ed)%te %nd Lo1 Pressure Ste%' Tur,)ne Sto( %nd Contro 4% *es

.2.$ Co'( ete s/ste' of e'er enc/ sto( %nd contro *% *es s&% ,e (ro*)ded to t&e P0 IP

%nd LP '%)n ste%' )n ets %s c ose %s (oss), e to t&e ste%' tur,)ne to (rotect t&e tur,)ne

fro' o*ers(eed. T&e ste%' *% *es s&% &%*e %ctu%tor dr)*en ,/ e ectro;&/dr%u )c contro

o*ern)n s/ste'.

.2.2 T&e *% *es s&% ,e des) ned to 1)t&st%nd t&e ste%' ener%tor &/drost%t)c test (ressure

%nd s&% ,e )n %ccord%nce 1)t& % re+u)re'ents of t&e AS!E 8o) er %nd Pressure 4esse

Code for % (r)'e 'o*er tr)( t&rott e *% *e for % un)t )nst% %t)on.

.2.3 A of t&e *% *es0 *% *e ste's0 %nd *% *e se%ts s&% ,e '%de of corros)on %nd eros)on

res)st%nt '%ter)% s 1&)c& &%*e ,een (ro*en su)t%, e for successfu o(er%t)on %nd

dur%,) )t/ )n s)') %r %(( )c%t)ons. !%ter)% s of t&e *% *e ,od)es s&% ,e co'(%t), e 1)t& t&e

connect)n ste%' ()(e 1or>.

.2. 4ert)c% su((ort for t&e *% *es s&% ,e su(( )ed 5)f re+u)red6. A tur,)ne *% *es s&% ,e

des) ned to ensure t) &t )so %t)on of t&e tur,)ne under % o(er%t)on cond)t)ons %nd dur)n

&/drost%t)c test.

Page ' / 24 Re !




.2. T&e *% *es s&% ,e e+u)((ed 1)t& ,ot& co%rse %nd f)ne str%)ners. A re'o*%, e corros)on

res)st%nt )nte r% str%)ner s&% ,e furn)s&ed 1)t& t&e tur,)ne sto( *% *e for co'')ss)on)n .

A screens s&% ,e re'o*%, e 1)t&out d)stur,)n t&e )n et ()()n . A te'(or%r/ f)ne 'es&

str%)ner s&% ,e furn)s&ed for us)n dur)n st%rt;u( )n co'')ss)on)n .

.2. T&e un)t s&% ,e e+u)((ed 1)t& % &/dr%u )c %ctu%ted sto( *% *e on e%c& ste%' )n et0

1&)c& s&% )nc ude t1o dou, e;(o es0 dou, e;t&ro1 5DPDT6 )')t s1)tc&es for EGAT use )n

)nd)c%t)n o(en or c osed *% *e (os)t)on. On; )ne test)n s&% ,e )nc uded to c&ec> t&e

sto( *% *e ste' 'o*e'ent 1&) e t&e tur,)ne )s runn)n .

.2. T&e o*ern)n contro *% *es s&% ,e des) ned for cont)nuous re u %t)n dut/ %nd to

')n)')7e (ressure oss )n t&e fu / o(en (os)t)on.

.2. T&e co*er %nd )n)t)% , )n>)n f)-tures s&% ,e used %t e%c& sto( *% *e to % o1 ,/(%ss)n

t&e ste%' tur,)ne dur)n ste%' , o1out c e%n)n of t&e ste%' ()()n .

.2.@ Pro*)s)on s&% ,e '%de for e-erc)s)n % sto( *% *es %nd contro *% *es )n turn 1)t& t&e

ste%' tur,)ne on o%d.

.2.$# T&e des) n of o*ern)n contro *% *es s&% '%>e (ro*)s)ons for reduc)n t&e t&er'%

effects of sudden te'(er%ture *%r)%t)ons %ssoc)%ted 1)t& t&e o(er%t)on of t&e *% *es %nd0

)f necess%r/0 %rr%n e'ent s&% ,e )ncor(or%ted to '%)nt%)n t&e ste%' (%ss% e %nd %

s )d)n surf%ces 1)t& un)for' te'(er%ture cond)t)ons.

.2.$$ T&e o*ern)n contro *% *es s&% )ncor(or%te % ,%c>;se%t)n %rr%n e'ent to ')n)')7e

ste%' e%>% e %nd entr/ of fore) n '%tter %)n)n %ccess to t&e c e%r%nce s(%ce

,et1een t&e ste' %nd )ts ,us&)n or (%c>)n 1&en fu / o(ened.

.2.$2 ) & (ressure %nd )nter'ed)%te contro *% *es s&% ,e des) ned to ,e free of *),r%t)on

%nd ste%' ,uffer)n under % o(er%t)n cond)t)ons fro' st%rt;u( to fu o%d.

.3 Ste%' Tur,)ne S&%ft Se% )n S/ste'

.3.$ Co'( ete %nd se% )n s/ste' s&% ,e )nc ud)n %nd ste%' condenser0 %tte'(er%tor0

t1o fu s)7e %nd ste%' e-&%ust f%n0 s%fet/ *% *es etc. s&% ,e (ro*)ded to (re*ent

)nf) tr%t)on of %)r )nto t&e '%)n ste%' s/ste' %nd e%>% e of ste%' )nto t&e tur,)ne &%

t&rou & t&e ste%' tur,)ne c&ests %nd ste%' tur,)ne c%s)n . A ste%' str%)ner s&% ,e

(ro*)ded )n to t&e ste%' su(( / )ne to t&e %nds %nd 'ounted %s c ose %s (r%ct)c%, e to

t&e %nds.

Page (! / 24 Re !




.3.2 Arr%n e'ent s&% ,e '%de 1&ere (oss), e to en%, e t&e ste%' tur,)ne %nds to ,e

e-%')ned 1)t&out t&e need to )ft t&e c/ )nder co*ers.

.3.3 T&e %nd ste%' se% ()()n s&% ,e des) ned 1)t& (ro*)s)on for , o1)n out t&e )nes 1)t&

ste%' (r)or to )n)t)% st%rt of t&e un)t.

.3. G %nd ste%' condenser s&% ,e s&e %nd tu,e t/(e 1&)c& &%s t1o %nd ste%'

e-&%uster f%ns0 one )n o(er%t)on %nd t&e ot&er )n st%nd,/0 to d)sc&%r e non;condens%, e

%ses fro' t&e %nd ste%' to %t'os(&ere. T&e )nner (ressure of %nd ste%' condenser

)s s ) &t / ne %t)*e to (u t&e ste%' tur,)ne %nd ste%' to %nd ste%' condenser %nd

ste%' )s condensed to t&e condenser.

.3. T&e %nd ste%' condenser e-&%uster f%ns %re 'otor dr)*en %)r , o1ers0 1&)c& t%>esuct)on on t&e s&e s)de of t&e %nd ste%' condenser. One of t&e t1o $## (ercent

c%(%c)t/ %nd ste%' condenser e-&%uster f%ns )s re+u)red to o(er%te 1&ene*er t&e

ste%' tur,)ne se% s/ste' )s )n ser*)ce. T&e nor'% st%rt)n or sto(()n of t&e %nd

ste%' condenser e-&%uster f%ns )s contro ed t&rou & t&e DCIS.

. Ste%' Tur,)ne Go*ern)n S/ste' %nd Contro S/ste'

T&e f)re res)st%nt f u)d 5FRF6 &/dr%u )c contro o) s/ste' )nc udes reser*o)r0 t1o fu s)7e

(u'(s0 t1o fu s)7e c%(%c)t/ coo ers0 f) ter %nd cond)t)on)n e+u)('ent to (ro*)de re )%,) )t/

for dr)*)n t&e '%)n ste%' *% *es under % cond)t)ons. A 'et% (%rts )n contr%ct 1)t& FRF

s&% ,e co'(%t), e 1)t& t&e FRF to %*o)d corros)on.

A 'et% (%rts )nc ud)n (u'(s0 t%n>0 coo ers0 ()()n %nd construct)on '%ter)% of *%r)ous

)te's s&% ,e '%de of st%)n ess stee or &) &er r%de '%ter)% .

T&e f)re res)st%nt f u)d 5FRF6 s&% ,e ) n)t)on (o)nt %,o*e # de ree Ce s)us. T&e

cond)t)on s/ste' s&% ,e c%(%, e of (rocess)n ')n)'u' $#< of f u)d f o1 (er &our %nd

'%)nt%)n)n t&e 'o)sture content ,e o1 #.# <. A &/dr%u )c f u)d ()(e1or> s&% ,e

su((orted 1)t& su)t%, e t/(e of %nt);*),r%t)on 'ount)n .

. .$ Go*ern)n S/ste'

T&e ste%' tur,)ne ener%tor s&% ,e e+u)((ed 1)t& % f%u t to er%nt ')cro(rocessor ,%sed

d) )t% e ectro;&/dr%u )c contro 5DE C6 o*ern)n s/ste' of (ro*en des) n %nd

o(er%t)on% c%(%,) )t/. T&e DE C o*ern)n s/ste' s&% o(er%te %s % co'( ete / free;

st%nd)n contro %nd 'on)tor)n s/ste'0 %nd s&% ,e e+u)((ed 1)t& redund%nt ser)% d%t%

Page (( / 24 Re !




%nnunc)%tor )n>s to (er')t &) & e*e contro %nd 'on)tor)n ,/ t&e d)str),uted contro

s/ste' %nd )nfor'%t)on s/ste's.

Co'( ete )nfor'%t)on on t&e DE C s/ste' s&% ,e su,')tted. T&)s s&% )nc ude % ,) of

'%ter)% 0 descr)(t)on of (r)nc)( es of o(er%t)on0 &/dr%u )c f u)d re+u)re'ents0 o) ()()n

s/ste' re+u)re'ents0 %nd %*%) %, e DE C o(t)ons. T&e o*ern)n s/ste' s&% ,e

(ro*)ded co'( ete 1)t& % sensors0 (ref%,r)c%ted c%, es0 (%ne un)ts0 o )c c%,)nets0 %nd

ot&er (er)(&er% de*)ces.

T&e tur,)ne ener%tor '%nuf%cturer s&% furn)s& necess%r/ &%rd1%re %nd soft1%re to

t1o;1%/ d%t% )n>0 on % du% redund%nt ,%s)s0 t&e DE C 1)t& t&e D)str),uted Contro %nd

Infor'%t)on S/ste' 5DCIS6. T&e d%t% )n> s&% % o1 for tr%nsfer of d%t% to %nd fro' t&e

DE C 1&)c& 1) % o1 for co'( ete contro 0 % %r')n 0 %nd 'on)tor)n of t&e tur,)ne fro'

t&e DCIS. T&e tur,)ne ener%tor su(( )er s&% coord)n%te 1)t& t&e DCIS su(( )er to

co'( ete t&e des) n for t&e re+u)red )nterf%ce (rotoco of t&e d%t% )n>. T&e )nterf%ce (o)nt

for t&e d%t% )n> s&% ,e%t t&e d%t% )n> connect)on f%c) )t)es 5ter')n% s6 )ns)de t&e DE C

contro c%,)net5s6. T&e d%t% )n>s s&% ,e &) & s(eed suc& t&%t d%t% d)s( %/ed to t&e

o(er%tor %t t&e DCIS 4DU s&% ,e u(d%ted %t t&e e%st e*er/ $ second.

O(er%tor )nterf%ce t&rou & t&e DCIS for contro %nd 'on)tor)n of t&e tur,)ne s&% )nc ude

d)s( %/s on DCIS 4DUs %nd o )n %nd d%t% stor% e on DCIS (r)nters %nd (er'%nent

stor% e 'ed)%. T&e contr%ctor s&% de*e o( %((ro(r)%te 4DU d)s( %/s %nd d%t% o s for

'on)tor)n %nd contro of t&e tur,)ne o(er%t)on t&rou & t&e DCIS. In %dd)t)on% to t&e d%t%

)n>0 t&e contr%ctor s&% &%rd 1)re cr)t)c% )nfor'%t)on s) n% s ,et1een t&e DE C %nd t&e

DCIS.

. .2 DE C Funct)ons

Funct)on of t&e DE C s/ste' s&% )nc ude0 ,ut not necess%r) / ,e )')ted to0 t&e

fo o1)n :

S(eed Contro Funct)ons:

O*ers(eed (rotect)on ,/ sens)n ')s'%tc& ,et1een un)t out(ut %nd tur,)ne )ntern%

(ressure0 %nd ,/ sens)n %ctu% s&%ft s(eed.

!u t)( e 5')n)'u' t1o6 c&%nne s(eed sens)n )nc ud)n redund%nt tr%nsducer0 &) &

s) n% %uct)oneer)n for contro 0 %nd f%) ure % %r's.

Page (2 / 24 Re !




S(eed %nd %cce er%t)on contro s re+u)red for tur,)ne ro u(. T&e s/ste' s&% not (er')t

&o d)n %t cr)t)c% s(eeds.

L)ne s(eed '%tc&)n

On; )ne s(eed re u %t)on 1)t& %d=ust%, e droo( c&%r%cter)st)cs.

Lo%d Contro Funct)ons:

F)rst st% e (ressure feed,%c>

In)t)% (ressure )')ter 1)t& (ro*)s)on for oc>)n out t&)s funct)on )n con=unct)on 1)t&

*%r)%, e (ressure o(er%t)on

E%r / *% *e %ctu%t)on.

!ode Contro Funct)ons:

Ste%' tur,)ne (re;1%r')n 'ode

Se ect)on ,/ t&e o(er%tor for '%nu% contro or %uto'%t)c contro fro' DCIS

Se ect)on ,/ t&e o(er%tor %t t&e '%)n contro conso e )n t&e centr% contro roo' of t&rott e

*% *e fu %rc %d')ss)on o(er%t)on0 or (%rt)% %rc %d')ss)on fro' ')n)'u' o%d to r%tedo%d 51)t& (er')ss)*e ,/ DE C60 or %uto'%t)c% / %t (rese ected o%d or *% *e (os)t)on.

Auto'%t)c tr%nsfer ,et1een fu %rc %d')ss)on %nd (%rt)% %rc %d')ss)on0 )n e)t&er

d)rect)on0 )n res(onse to % s) n% fro' %n e-tern% source.

8u'( ess tr%nsfer for :

• F)rst st% e (ressure contro )n or out

• In)t)% (ressure )')ter )n or out

Tr)( Funct)ons:

T&e contr%ctor s&% ,e (ro*)ded tr)( s) n% s to (rotect t&e ste%' tur,)ne. T&e fo o1)n

s) n% s s&% ,e furn)s&ed %s ')n)'u':

• Tr)(s re+u)red for ener%tor (rotect)on

• ) & *),r%t)on

Page (" / 24 Re !




• ) & ,e%r)n 'et% te'(er%ture

• ) & d)fferent)% e-(%ns)on

•

Tur,)ne o*ers(eed

• T&rust ,e%r)n f%) ure

• Lo1 Lo1 u,r)c%t)n o) reser*o)r e*e

• Lo1 u,r)c%t)n o) or &/dr%u )c f u)d (ressure

• !%nu% tr)( ,/ t&e o(er%tor fro' t&e '%)n contro conso e )n t&e centr% contro

roo'

• Tr)(s re+u)red for tur,)ne or DE C s/ste' (rotect)on

• Condenser o1 *%cuu' tr)(

• ) & e-&%ust te'(er%ture tr)(

• Custo'er tr)(

• Re'ote e ectr)c% reset for % of t&e %,o*e tr)( funct)ons ,/ o(er%tor

• Tr)( %nt)c)(%t)on

A %r' Funct)ons:

T&e fo o1)n s&% ,e furn)s&ed for % %r' on t&e DE C or e'er enc/ tr)( (%ne %nd s&%

,e tr%ns')tted t&rou & d%t% )n> to t&e %nnunc)%t)on s/ste' of t&e D)str),uted Contro %nd

Infor'%t)on S/ste' 5DCIS6. Pr)'%r/ )n)t)%t)on e+u)('ent0 )f re+u)red0 s&% ,e furn)s&ed:

• Ind)*)du% tr)( funct)ons on f)rst &)t

• DE C tr)((ed

• An/ DE C f u)d (u'( (ressure o1 on f)rst &)t

• Po1er su(( / trou, e f)rst &)t

• An/ run,%c> funct)on)n 5)nd)*)du% 6

• An/ )')t funct)on)n 5)nd)*)du% 6

Page (4 / 24 Re !




• Fu %rc 5FA6 P%rt)% %rc 5PA6 tr%nsfer )n (ro ress

• An/ ot&er tur,)ne; ener%tor re %ted % %r'

Run,%c> Funct)ons:

Run,%c>s or set,%c>s 1&)c& t&e '%nuf%cturer cons)ders necess%r/ to (rotect t&e tur,)ne

or ener%tor0 1)t& % %r'.

Run,%c> or oss of e-(ort o%d )n con=unct)on 1)t& )n)t)%t)on of tur,)ne ,/(%ss s/ste'

o(er%t)on.

Test Funct)ons:

Pro*)s)ons for re'ote test)n ,/ t&e o(er%tor fro' t&e DCIS or oc% / of t&e fo o1)n

e+u)('ent 1&) e t&e '%c&)ne )s o%ded0 1)t&out c%us)n % tr)(.

• E%c& o*ern)n contro *% *e

• ) &0 Inter'ed)%te %nd Lo1 Pressure ste%' sto( *% *es

• O*ers(eed tr)( o*ernor 5)nc udes s(eed s) n% out(ut6

T&e test s&% )n*o *e fu c osure for e%c& *% *e 1)t& t&e ste%' tur,)ne on; )ne. T&e ste%'*% *e freedo' test s&% not )')t t&e un)t net o%d to ess t&%n (ercent of '%-)'u'

cont)nuous r%t)n o%d.

DE C f u)d (u'(s0 'otors0 (ressure s1)tc&es %nd so eno)ds for re'ote test)n %nd

st%rt)n c)rcu)tr/ 5fro' DCIS6

Out(ut Funct)ons:

A 'ess% es0 'on)tored (%r%'eters0 %nd % %r's s&% ,e c%(%, e of ,e)n d)s( %/ed on

t&e DCISBs 4DUs %t t&e '%)n contro conso e.

Lo%d s) n% 1)t& %ccur%c/ of H ;#.2 (ercent or ,etter of r%ted o%d for d)s( %/ on d) )t%

)nd)c%tor.

Page (# / 24 Re !




S(eed s) n% 1)t& %ccur%c/ of H ;#.$ (ercent or ,etter of r%ted s(eed for d)s( %/ on d) )t%

)nd)c%tor.

• Fre+uenc/ ,)%s out(ut s) n%

• E%c& contro *% *e (os)t)on

• E%c& '%)n ste%' sto( *% *e (os)t)on

• Preferred t&rott e ste%' te'(er%ture

In t&e e*ent of %n )nst%nt%neous c&%n e fro' fu o%d to no o%d0 t&e s(eed o*ern)n

s/ste' s&% (re*ent %n/ o*er s(eed tr)(.

Re'ote o(er%t)on:

Add)t)on e+u)('ent s&% ,e furn)s&ed to (ro*)de t&e c%(%,) )t/ for re'ote o(er%t)on of t&e

un)ts fro' t&e d)s(%tc&erBs oc%t)on ,/ )nterf%c)n 1)t& EGATBs RTU s/ste' or fro' %

re'ote o(er%tor conso e to ,e )nst% ed )n contro roo'.

. Ste%' Tur,)ne Lu,r)c%t)on S/ste'

A u,r)c%t)n o) conso e0 s>)d 'ounted0 s&% ,e furn)s&ed u,r)c%t)n o) to t&e ste%'

tur,)ne %nd ener%tor ,e%r)n s.

T&e u,r)c%t)on s/ste' s&% )nc ude t&e fo o1)n :

. .$ A fu s)7e o) reser*o)r 1)t& ')n)'u' ')nutes retent)on t)'e %nd e*e )nd)c%tor to % %r'

%t &) & %nd o1 e*e s. Pro*)s)on for dr%)n)n %nd c e%n)n s&% ,e (ro*)ded. Connect)on

s&% ,e (ro*)ded on t&e reser*o)r for su(( / %nd return u,e o) fro' t&e u,e o) (ur)f)er.

T&e to( of t&e reser*o)r s&% ,e suff)c)ent / r) )d to su((ort t&e e+u)('ent 'ounted on )t

1)t&out s% )n %nd *),r%t)on. T&e reser*o)r s&% ,e constructed of stee . In e*ent of %

un)t tr)( 1&en coo )n 1%ter )s not %*%) %, e0 t&e o) s/ste' s&% &%*e suff)c)ent r%d)%t)on

surf%ce to (re*ent e-cess)*e o) te'(er%ture to t&e ,e%r)n s %nd conse+uent)% ,e%r)n

d%'% e. T&e )nter)or of reser*o)r s&% ,e )ned or co%ted 1)t& % rust (re*ent)*e co%t)n

1&)c& 1) ,e co'(%t), e 1)t& t&e tur,)ne u,r)c%t)n o) %nd % o(en)n s t) &t / se% ed for

(rotect)on dur)n s&)('ent.

. .2 T1o fu s)7e c%(%c)t/ o) coo ers 1)t& tr%nsfer *% *e. E%c& coo er s&% &%*e $##< coo )n

c%(%c)t/ to &%nd e t&e o) re+u)re'ents of t&e ste%' tur,)ne %nd ener%tor. T&e o) ()()n

Page ($ / 24 Re !




to %nd fro' t&e o) coo ers s&% )nc ude % dou, e t&ree 1%/ *% *e to s1)tc& t&e o) f o1 one

coo er to ot&er. A s)n e &%nd1&ee s&% (os)t)on ,ot& *% *es s)'u t%neous /.

. .3 T1o fu s)7e c%(%c)t/ o) f) ters 1)t& tr%nsfer *% *e s&% ,e (ro*)ded. F) tr%t)on e*e s&%

,e ,%sed on '%nuf%cturer re+u)re'ent. T&e o) ()()n %t do1nstre%' fro' %st f) ter s&%

,e st%)n ess stee .

. . T1o fu s)7e c%(%c)t/ AC 'otor;dr)*en (u'(s s&% ,e (ro*)ded so t&%t t&e '%)n (u'(

&%s %t e%st one ,%c>u(. In c%se tur,)ne s&%ft;dr)*en '%)n u,e o) (u'( )s '%nuf%cture

st%nd%rd for nor'% o(er%t)on0 % $##< AC 'otor dr)*en (u'( s&% ,e (ro*)de %s %

,%c>u( (u'(. &en t&e ste%' tur,)ne un)t )s on turn)n e%r or o1 s(eed0 %n AC

%u-) )%r/ u,e o) (u'( s&% ,e (ro*)ded )f re+u)red. A DC e'er enc/ (u'( for co%st

do1n s&% % so ,e su(( )ed. A 'e%n s&% ,e (ro*)ded for re'ote / test)n t&e %uto'%t)c

st%rt)n fe%ture %nd t&e)r %ssoc)%ted (ressure s1)tc&es 1&) e t&e un)t )s o(er%t)n .

. . Suct)on str%)ner on e%c& (u'(

. . 8e%r)n (ressure re u %tor 5)f re+u)red6

. . Lo1 ,e%r)n o) (ressure % %r' %nd tr)( s1)tc&

. . So eno)d tr)( 1)t& o1 o) (ressure tr)( to tr)( t&rott e %nd '%)n ste%' *% *es 5%nd non;return *% *es 1&en %(( )c%, e6

. .@ Instru'ent%t)on %t t&e u,e conso e s&% ,e )nc uded for t&e fo o1)n :

• Te'(er%ture )n %nd out of o) coo ers

• 8e%r)n o) (ressure

• D)fferent)% (ressure s1)tc& for o) f) ter % %r'

. .$# Reser*o)r &e%ter0 )f re+u)red

. .$$ A (ort%, e (ur)f)er for ste%' tur,)ne u,e o)

. .$2 T1o fu s)7e c%(%c)t/ AC 'otor dr)*en o) *%(or e-tr%ctor )nc ud)n o) ')st e )')n%tors

. .$3 Pro*)s)on s&% ,e '%de for o) s/ste' f us&)n ,efore )n)t)% st%rt of t&e un)t

Page (% / 24 Re !




T&e o) conso e s&% ,e (ref%,r)c%ted0 (re()(ed %nd (re1)red to ')n)')7e )nst% %t)on

t)'e. A 1)r)n connect)ons e-ce(t for 'otors s&% ,e '%de %t ter')n% str)(s )n=unct)on

,o-es.

. Ste%' Tur,)ne Accessor)es

In %dd)t)on to t&ose %ccessor)es % re%d/ 'ent)oned0 t&e fo o1)n s&% ,e )nc uded:

. .$ Te'(er%ture detectors s&% ,e (ro*)ded for % '%)n ,e%r)n s %nd t&rust ,e%r)n .

. .2 A s(ec)% '%)nten%nce too s s&% ,e furn)s&ed )nc ud)n e/e,o ts0 c%s)n u)de ()n0

=%c>)n ,o ts0 %nd ot&er too s de(end)n on s(ec)% tur,)ne construct)on. U((er &% f

c%s)n %nd '%)n ,e%r)n c%(s s&% ,e (ro*)ded 1)t& )ft)n u s or e/es.

. .3 So e( %tes %re to ,e furn)s&ed under tur,)ne %nd ener%tor.

. . 8oresco(e o(en)n s %re to ,e (ro*)ded %t se ected cr)t)c% st% es.

. . 4),r%t)on (ro,es0 c%, es0 (ro-)'eters0 %nd 'on)tors0 'ounted contro (%ne . 5S&%ft

sens)n %t % tur,)ne %nd ener%tor ,e%r)n s6

. . An o*ers(eed o*ernor e-erc)ser s&% ,e furn)s&ed to (er')t test)n 1)t&out tr)(()n t&e

un)t.

. Ste%' Tur,)ne Su(er*)sor/ Instru'ent%t)on

A s/ste' of )nstru'ent%t)on s&% ,e (ro*)ded to 'on)tor '%c&)ne *%r)%, es 1&)c& %re

necess%r/ for (ro(er o(er%t)on of t&e ste%' tur,)ne su(( e'ent)n t&e (%r%'eter

'on)tor)n s/ste' descr),ed &ere)n. 4%r)%, es to ,e 'on)tored s&% )nc ude t&e fo o1)n

%s % ')n)'u'.

. .$ !%c&)ne 'on)tor)n s/ste'0 co'( eted 1)t& ort&o on% / 'ounted du% (ro,es 5 ;Y6 %nd

% >e/ (&%sor0 T&e *),r%t)on sens)n de*)ces s&% &%*e )nd)*)du% % %r' ,o%rds for e%c&

,e%r)n to (ro*)de se(%r%te % %r' %nd tr)( funct)ons. E%c& sensor &%s t1o se(%r%te sets

of contr%ct0 one for t&e %nnunc)%tor %nd one for )n(ut to t&e co'(uter.

. .2 S&%ft s(eed

. .3 Go*ernor or contro *% *e (os)t)on

. . Tur,)ne 'et% te'(er%ture

Page (& / 24 Re !




. . S&%ft eccentr)c)t/

. . S&%ft *),r%t)on %t % tur,)ne0 ener%tor0 %nd e-c)ter ,e%r)n s

. . C%s)n %nd rotor d)fferent)% e-(%ns)on

. . C%s)n %nd *% ue c&est te'(er%tures

. .@ S&%ft (os)t)on

. .$# 8e%r)n 'et% te'(er%tures0 )nc ud)n t&rust ,e%r)n

. .$$ 8e%r)n u,e o) te'(er%ture

. Ste%' Tur,)ne Insu %t)on %nd L% )n

. .$ T&er'% )nsu %t)on %nd % )n s s&% ,e (ro*)ded for f)e d )nst% %t)on on ste%' tur,)ne

c%s)n s.

. .2 As,estos free t&er'% )nsu %t)on '%ter)% s&% ,e (ro*)ded for co*er)n t&e &ot surf%ces

of t&e tur,)ne c%s)n 0 ()()n %nd e+u)('ent. T&e )nsu %t)on s&% ,e des) ned for e%se of

re'o*% %nd re( %ce'ent0 us)n se 'ent% un)ts %s f%r %s (oss), e.

. .3 C %dd)n %nd % su)t%, e %coust)c enc osure s&% ,e furn)s&ed for t&e ste%' tur,)neener%tor un)t0 Access doors0 *ent) %t)on %nd ) &t)n f%c) )t)es s&% ,e )nc uded. T&e

sound %ttenu%t)on )nsu %t)on s&% reduce t&e sound e*e to 'eet 1)t& t&e re+u)re'ent of

s(ec)f)ed sound e')ss)ons.

.@ Turn)n Ge%r

An AC 'otor o(er%ted0 or o) dr)*en tur,)ne o(er%ted0 rotor turn)n e%r for %uto'%t)c %nd

oc% ;re'ote '%nu% o(er%t)on s&% ,e (ro*)ded. A o1;s(eed send)n de*)ce s&% ,e

(ro*)ded for contro of %uto'%t)c o(er%t)on. A necess%r/ %ccessor)es s&% ,e furn)s&ed

)nc ud)n (ressure s1)tc&es or ot&er )nter oc>s to (re*ent o(er%t)on of t&e turn)n e%r )f

u,r)c%t)on o) (ressure dro(s ,e o1 % s%fe e*e . ous)n s %nd s%fet/ u%rds s&% ,e

(ro*)ded for % 'o*)n (%rts of t&e turn)n e%r. A oc% contro (%ne constructed )nte r%

1)t& t&e % )n s&% ,e furn)s&ed on 1&)c& )nd)c%t)n ) &ts %nd contro s1)tc&ed s&% ,e

'ounted for o(er%t)on of t&e turn)n e%r. A co''un)c%t)ons )nterf%ce s&% ,e (ro*)ded

for re'ote )nd)c%t)on of turn)n e%r o(er%t)on %nd for re'ote en % e'ent fro' t&e

Page (' / 24 Re !




d)str),uted contro s/ste'. A cr%n>)n de*)ce s&% ,e (ro*)ded to (er')t '%nu% rot%t)on

of t&e rotor.

.$# Cou( )n

T&e ste%' Tur,)ne %nd ener%tor cou( )n s s&% ,e )nte r% 1)t& t&e s&%ft %nd %'( /

stron to 1)t&st%nd s&oc>s dur)n o(er%t)on )nc ud)n ener%tor s&ort c)rcu)t cond)t)ons

%nd s/nc&ron)7)n out of (&%se. T&e cou( )n s 1)t& &/dr%u )c r%d)% f)t ,o t t/(e s&% ,e

des) ned so %s to (er')t e%s/ %nd r%()d d)sconnect)on0 re%sse', / %nd % ) n'ent.

. !ATERIAL

A tur,)ne '%ter)% s s&% ,e se ected ,%sed on t&e des) n re+u)re'ent %nd t&e

'%nuf%cturerBs st%nd%rd.

.$ !%ter)% s fro' 1&)c& t&e *%r)ous co'(onents of t&e ste%' tur,)ne %re '%nuf%ctured s&%

,e su)t%, e to 1)t&st%nd t&e o%d)n %nd en*)ron'ent% effects )'(osed dur)n t&e

st)(u %ted ser*)ce )fe of t&e ( %nt.

. INSPECTION AND TEST

.$ 4),r%t)on Test

4),r%t)on s&% ,e 'e%sured %t t&e *),r%t)on detector oc%t)on on t&e s&%ft. T&e

contr%ctors s&% (erfor' %de+u%te s&o( %nd f)e d ,% %nc)n %nd test (rocedures to )')t

s&%ft *),r%t)on dur)n f)n% f)e d o(er%t)on runs.

.2 Tur,)ne Rotor Test

T&e fo o1)n tests s&% ,e (erfor'ed )n t&e '%nuf%cturerBs 1or>s&o(:

• D/n%')c ,% %nc)n test

• O*ers(eed test

• Runout c&ec>

•

O(er%t)on test of e'er enc/ o*ernor

Page 2! / 24 Re !




.3 Tur,)ne C%s)n %nd 4% *e C%s)n

T&e &/drost%t)c test s&% ,e tested to %t e%st $. t)'es t&e '%-)'u' des) n (ressure.

. PAINTING AND COATING

.$ No )ntern% surf%ce e-(osed to ste%' or condens%te s&% ,e (%)nted or co%ted 1)t& %n/

'%ter)% cont%)n)n e%d or %n/ of t&e st%nd%rd t/(e (%)nt '%ter)% J e. 0 % >/d0 e(o-/0

s) )cone0 etc.

.2 Rust (re*ent)*e co%t)n '%/ ,e (ro*)ded % so t&e )nstruct)on for t&e)r re'o*% (r)or to ste%'

or condens%te e-(osure.

.3 P%)nt)n of e-tern% surf%ce s&% ,e %ccord%nce 1)t& EGAT s(ec)f)c%t)on.

A e-(osed surf%ce s&% ,e t&orou & / c e%ned %nd e-tern% surf%ces (%)nted 1)t& one

co%ted of s&o( (%)nt ,efore e%*)n f%ctor/ e-ce(t t&%t '%c&)ned surf%ces s&% ,e

su)t%, / (rotected % %)nst corros)on.

Page 2( / 24 Re !




Painting specification for Steam Turbine

Equipment Equipment parts)inis*ing

+olor,RA- .o 0

Sur1acePreparation

PaintS stem

.o

( Steam Turbine 3Accessories

5P/6P Turbine 7uter+asing RA- (!(4

6 orSSP+ SP (! 8 S

-P Turbine 7uter +asingRA- (!(4

6 or

SSP+ SP (! 8 S

Pedestal 9earing +o er

Turbine -agging

Turning Gear RA- (!(46 or

SSP+ SP (! 8 S

2 Gland Steam+ondenser

.on 6nsulated parts RA- $!(& :ello;Green

SSP+ SP (! 8 S

6nsulated parts SSP+ SP (! 8 S

Ex*aust )an RA- $!(& :ello;Green

SSP+ SP (! 8 S

)an 8otor RA- $!(&

:ello;Green

8 S

" 5P/6P/-PSteam Stop<al e 3Accessories

6nsulated parts SSP+ SP (! 8 S

=n insulated parts RA- $!(&Sil er

SSP+ SP (! 8 S

4 -ubricating7il S stem

All equipments

RA- &!2"7range9ro;n

SSP+ SP (! 8 S

Re'%r>: !.S. K !%nuf%cturerBs St%nd%rd

. SPART PART LIST

/ 24 Re !




.$ Ste%' Tur,)ne

• St%t)on%r/ st% e se% str)( 1)t& c%u >)n '%ter)% for % st% e $## <

•

Rot%t)n st% e se% str)( 1)t& c%u >)n '%ter)% for % st% e $## <

• S&%ft cou( )n ,o ts %nd nuts0 e%c& s)7e 2#

<

• LP Tur,)ne ,re%>%, e d)%(&r% ' $## <

• P?IP Tur,)ne c%s)n 8o ts0 e%c& s)7e $#

<

.2 Tur,)ne Contro %nd Protect)*e De*)ces

• Sets of O;r)n 0 %s>ets0 (%c>)n se% s0 d)%(&r% 's0 $ set

8e o1s0 cu( *% *es

.3 Ste%' 4% *e 5'%)n0 Re&e%t %nd 8/(%ss6

• 4% *e ste' ,us&es $ set

• 4% *e &e%d $ set

• 4% *e se%t $ set

• 4% *e %ctu%tor ()ston r)n s $ set

• 4% *e %ctu%tor o) se% s ? O;r)n $

set

• L)n>% e ,us&es $

set

• Do1e s %nd ()ns $ set

• 4% *e ste' $ set

. Lu,e O) %nd Contro O) S/ste'

• E%c& t/(e of (u'( ,e%r)n $ set

Page 2" / 24 Re !




• E%c& t/(e of 'ec&%n)c% se% $

set

• E%c& t/(e of o) se% $ set

• Se% 0 O;r)n %nd G%s>et $##

<

• F) ter for % o) s/ste' $##

<

• Cou( )n $## <

. !%)n 8e%r)n

• A =ourn% ,e%r)n 0 t&rust ,e%r)n for ste%' tur,)ne0 $ co'( ete set

co'(r)s)n to( %nd ,otto' &% *es %nd co'( ete 1)t& ,o ts0

studs0 nuts0 oc> 1%s&ers0 etc.

2. Steam Turbine

Documents

Transcript of 2. Steam Turbine