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Kegagalan Eksitasi Pada PLTGU Gresik

Feb 25, 2018

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    SEKOLAH TINGGI TEKNIK PLN

    PEMELIHARAAN PERANGKAT SISTEM EKSITASI UNTUK

    MENINGKATKAN KEHANDALAN PADA PLTGU GRESIK

    PROYEK AKHIR

    Disusun Oleh:

    BILAL JOKO SURATNO

    NIM : 2012-1-0!

    PROGRAM PENDIDIKAN AHLI MADYA DIPLOMA TIGA

    TEKNIK ELEKTRO

    JAKARTA,

    2015

    PENGESAHAN

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    Proyek Akhr De!"#! J$%$&

    PEMELIHARAAN PERANGKAT SISTEM EKSITASI 'NT'K

    MENINGKATKAN KEHANDALAN PADA PLTG' GRESIK

    D($($! o&eh :

    )ILAL JOKO S'RATNONIM : 2012*+1*0+

    D#-$k#! '!.$k Me/e!$h Per(y#r#.#! P#%# K$rk$&$/Pe!%%k#! Ah& M#%y# D&o/# T"# P#%#

    SEKOLAH TINGGI TEKNIK PLNTEKNIK ELEKTRO

    H#r ($o!%o

    PERN"ATAAN KEASLIAN PRO"EK AKHIR

    J#k#r.#, J$& 2015

    D(e.$-$,

    Ir S$#r!o, MTDo(e! Pe/3/3!"

    Me!"e.#h$,

    N$r/#. P#(r# ST, MTKe.$# Pro"r#/ S.$% D&o/# T"#

    Tek!k E&ek.ro

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    De!"#! ! (#y# /e!y#.#k#! 3#h# Proyek Akhr %e!"#! J$%$& :

    PEMELIHARAAN PERANGKAT SISTEM EKSITASI UNTUK MENINGKATKAN

    KEHANDALAN PADA PLTGU GRESIK

    ! /er$#k#! k#ry# .$&( (#y# (e!%r %#! 3$k#! /er$#k#! .r$#!, (#&!#! #.#$

    %$&k#. %#r Proyek Akhr #.#$ Skr( y#!" .eh %er"$!#k#! $!.$k

    /e!%##.k#! "eh Ah& M#%y#, #.#$ S#r-#!# Tek!k, 3#k % &!"k$!"#! STT*PLN

    /#$$! % Per"$r$#! T!"" !, (er.# 3e&$/ er!#h % $3&k#(k#!

    Per!y#.##! ! %3$#. %e!"#! e!$h ke(#%#r#! %#! r#(# .#!""$!" -##3 (er.#

    3er(e%# /e/k$& (e"# re(ko -k# .er!y#.# er!y#.##! % #.#( .%#k 3e!#r

    Gre(k, J$& 2015

    BILAL JOKO SURATNO

    NIM : 2012-1-0!

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    U#APAN TERIMA KASIH

    De!"#! ! (#y# /e!y#/#k#! 3#!y#k .er/# k#(h ke#%# :

    B$%$& I'( Su)$'n*+ MT sel$&u Pe,i,in. /I

    y#!" %e!"#! ke(#3#r#!!y# .eh /e/3erk#! e.$!-$k, (#r#!*(#r#! (er.#

    3/3!"#!!y# (eh!""# Proyek Akhr ! %##. %(e&e(#k#! .e#. #%# #k.$!y#

    Ter/# k#(h y#!" (#/#, (#y# (#/#k#! ke#%# )##k H$'i Su)*n* sel$&u

    Pe,i,in. /II y#!" .eh /e!"6!k#! /ek$k#! e!"#/3! %#.# % .e/#.

    ker-#!y#

    DATAR ISI

    Le/3#r J$%$&

    Gre(k, J$& 2015

    BILAL JOKO SURATNO

    NIM : 2012-1-0!

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    Le/3#r Pe!"e(#h#!

    Le/3#r Per!y#.##! Ke#(! Proyek Akhr

    Le/3#r '7##! Ter/# K#(h 8

    D#9.#r I( 8

    D#9.#r G#/3#r 8

    A3(.r#k

    BAB I PENDAHULUAN

    11 L#.#r )ek#!" M#(#h1

    12 T$-$#! Proyek Akhr2

    14 M#!9##. Proyek Akhr2

    1 R$/$(#! /#(#h4

    15 )#.#(#! /#(#h4

    1; S(.e/#.k# Pe!$&(#!

    BAB II LANDASAN TEORI

    21 Pr!( Ker-# Ge!er#.or5

    22 S(.e/ Ek(.#(12

    221 S(.e/ Ek(.#( De!"#! Sk#.14

    222 S(.e/ Ek(.#( T#!# Sk#.1

    22 S(.e/ Pro.ek(1;

    241 Pro.ek( Excitation Failure#.#$ Ke"#"#! Ek(.#(20

    242 Loss Of field Protection atau ro.ek( Keh!"#! Me%#! Pe!"$#.22

    2421 G#!""$#! H!" T#!# D(er.# A%#!y# S& P#%#2

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    ;

    2422 G#!""$#! D(er.# De!"#! A%#!y# S& P#%# Ro.or25

    2424 Rey Pro.ek( H!" Pe!"$#. Ge!er#.or2+

    BAB III KEGAGALAN SISTEM EKSITASI

    41 Pe!"er.#! '/$/ Pe/e&h#r##!40

    411

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    DATAR GAMBAR

    G#/3#r 21 Ske/# Pr!( Ker-# Ge!er#.or ;

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    G#/3#r 22 D#"r#/ Ge!er#.or A@ 4

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    S(.e/ ek(.#( #%#h ((.e/ #(ok#! &(.rk D@ (e3#"# e!"$#.#! #%#

    "e!er#.or &(.rk #.#$ (e3#"# e/3#!"k. /e%#! /#"!e., (eh!""# ($#.$

    "e!er#.or %##. /e!"h#(&k#! e!er" &(.rk %e!"#! 3e(#r .e"#!"#! ke&$#r#!

    "e!er#.or 3er"#!.$!" #%# 3e(#r!y# #r$( ek(.#(!y# S(.e/ ! /er$#k#!

    ((.e/ y#!" 8.#& %#! (#!"#. 3ere!"#r$h #%# ro(e( e/3#!"k.#! &(.rk

    (eh!""# (#!"#. er&$ %-#"# keh#!%#! ((.e/!y# D PLTG' "re(k $!.$k

    /e!-#"# keh#!%#! ((.e/ ek(.#( (e&$ %k$k#! !(ek( (e7#r# 3erk#

    #%# ((.e/ ek(.#(!y# N#/$! /e!"!"#. $/$r %#r ((.e/ ek(.#( .$ (e!%r

    ($%#h &e3h %#r 20 .#h$! /e(k$! %k$k#! !(ek( (e7#r# 3erk# .%#k

    /e!$.$ ke/$!"k!#! .er-#% "#!""$#!*"#!""$#! y#!" /e!"#k3#.k#! $!. .r

    K#%#!" "#!""$#! y#!" .er-#% (#!"#. ($&. $!.$k %.e/$k#! k#re!# (!y#& y#!"

    /$!7$& h#!y# (e(##. k#re!# 3$k#! %#r ke-#%#! y#!" (e3e!#r!y# .e.# k#re!#

    %#r er#.#!*er#.#! ((.e/ ek(.#( y#!" ($%#h .%#k 3eker-# (e7#r# o./#&

    H#& ! .e!.$ (#!"#. /er$"k#! 3#" e/3#!"k. k#re!# /e!ye3#3k#! e!$r$!#!

    keh#!%#! e/3#!"k. .er(e3$. '!.$k /e!#!"#! er/#(#h#! ! %k$k#!

    ($#.$ .!%#k#! Pe/e&h#r##! korek.9 %e!"#! 7#r# /e/3$#. ($#.$ %e!.9k#(

    "#!""$#! y#!" % .$-$k#! $!.$k /e!"e.#h$ .er&e.#k %#r "#!""$#! .er(e3$. %#!

    h#& ! .er3$k. (#!"#. e9ek.9 (eh!""# 3(# %k$k#! .!%#k#! er3#k#! #%#

    er#.#! y#!" 3er/#(#h %#! -$"# 3(# /e"e/3#&k#! keh#!%#! #%# $!.

    e/3#!"k.

    K#.# k$!7: ek(.#(, "#!""$#!, .r, %e!.9k#( "#!""$#!, keh#!%#!

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    BAB I

    PENDAHULUAN

    1(1L$4$' Bel$&$n. M$s$l$h

    P#%# PLTG' Gre(k (e&$ %k$k#! e/e&h#r##! (e7#r# 3erk#

    $!.$k /e/er.#h#!k#! keh#!%#! #%# $!. e/3#!"k.!y# H#& !

    /e/#!" 7$k$ e9ek.9 %#! %##. /e/!/#&(r .er-#%!y# "#!!"$#! y#!"

    %##. /e!ye3#3k#! keh#!%#! e/3#!"k. /e!$r$! Ak#! .e.#

    /e!"!"#. $/$r %#r er#.#!*er#.#! #%# e/3#!"k. y#!" ($%#h &e3h

    %#r 20 .#h$! /e!ye3#3k#! .er-#%!y# "#!""$#!*"#!""$#! y#!"

    %(e3#3k#! %#r k$r#!" o./#&!y# k!er-# %#r ko/o!e!*ko/o!e!

    er#.#! .er(e3$. Terk#%#!" "#!""$#! y#!" /$!7$& .%#k %ke.#h$

    &e.#k!y# k#re!# (!y#& y#!" /$!7$& h#!y#h (!y#& #&($ (eer. y#!" .eh

    .er-#% #%# ((.e/ ek(.#( %(#h (#.$ $!. PLTG' Gre(k S!y#& #&($ .$

    (e!%r #%#h (!y#& y#!" /$!7$& h#!y# (e(##. %#! 3$k#! %#r ke-#%#!

    (e3e!#r!y# Pe!ye3#3 .er-#%!y# (!y#& #&($ ! 3#(#!y# k#re!# k!er-#

    %#r ko/o!e! e!"r/ (!y#& y#!" ($%#h .%#k o./#& k#re!# /#(#h

    $/$r (eer. y#!" ($%#h %-e(k#! %#.#( Jk# "#!""$#! y#!" /$7$&

    k#re!# #%#!y# (!y#& #&($ /#k# h#/r .%#k /$!"k! $!.$k /e!e/$k#!

    &e.#k %#r "#!""$#! .$ (e!%r Jk# .%#k %##. /e!e/$k#! &e.#k "#!""$#!

    /#k# ke/$!"k!#! "#!""$#! .$ /$!7$& ke/3#& (#!"#. 3e(#r k#re!#

    3e&$/ #%# .!%#k#! er3#k#! H#& ! ($%#h #(. /e!ye3#3k#!

    keh#!%#! e/3#!"k. /e!$r$! %#! .er"#!""$!y# #(ok#! &(.rk ke

    ko!($/e! Se3e!#r!y# h#& ! %##. %#!.(#( %e!"#! /ek$k#!

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    e!"#/#.#! y#!" ko!.!y$ .erh#%# ko/o!e! er#.#! .er(e3$. $!.$k

    /e!e/$k#! &e.#k "#!""$#!, #k#! .e.# h#& ! .%#k /$!"k! %k$k#!

    k#re!# %(#/!" k##! %#.#!"!y# "#!""$#! y#!" .%#k %##. %re%k(

    -$"# $!.$k /ek$k#! e!"#/#.#! (e7#r# ko!.!y$ -$"# .%#k e9ek.9 k#re!#

    #k#! /e!"#3#k#! eker-##! !!y# M#k# %#r .$ $!.$k %##. /e/e.#k#!

    &e.#k "#!""$#! y#!" /$!7$& k#re!# (!y#& #&($ .er(e3$. %3$#. ($#.$

    %e!.9k#( "#!""$#! e&ek.rk %e!"#! /e/3$#. ($#.$ r#!"k##! %e!.9k#(

    "#!""$#! y#!" %#(#!" #%# er#.#! .er(e3$. %#! h#& ! .er3$k. (#!"#.

    e9ek.9 $!.$k /e!e/$k#! &e.#k "#!""$#!

    1(2Tu6u$n P'*7e& A&hi'

    T$-$#! %#r e!e&.#! ! #%#h /e!"e.#h$ %#! /e!"#!#&(#

    %#!.#r#!y# :

    1 Me!e!.$k#! /e.o%e y#!" %"$!#k#! $!.$k /e!#!"#! "#!""$#! #%#

    ((.e/ ek(.#(

    2 Me!"#!#&(# e!ye3#3 .er-#%!y# "#!""$#! .er(e3$.

    4 Mek$k#! #!.(#( #"#r "#!""$#! .er(e3$. .%#k .er-#% "

    1(8 M$n5$$4 P'*7e& A&hi'

    M#!9##. %#! h#(& y#!" %h#r#k#! %#r e!e&.#! ! #%#h:

    1 Pro(e( $!.$k /e/e.#k#! &e.#k "#!""$#! y#!" .er-#% k#re!# (!y#&

    #&($ %##. &e3h /e!"he/#. #k.$2 Me/!/#&(r .er-#%!y# "#!""$#! y#!" (#/# k#re!# .eh %k$k#!

    er3#k#! #%# ko/o!e! y#!" 3er/#(#h

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    4 Keh#!%#! %#r $!. e/3#!"k. &e3h .er-#"# k#re!# ro(e(

    %e!.9k#( "#!""$#! &e3h e9ek.9 %#! e9(e!

    1(9 Ru,us$n ,$s$l$h

    )er%#(#rk#! er/#(#h#! %#.#( /#k# y#!" k#/ 3#h#( 3erk#.#!

    %e!"#! #. .er(e3$. %#!.#r# ! :

    1 )#"#/#!# 7#r# ker-# ko/o!e! ((.e/ ek(.#(2 )#"#/#!# r!( ker-# ((.e/ ro.ek( ek(.#( y#!" /e!"#/

    "#!""$#!4 )#"#/#!# 7#r# e/3$#.#! r#!"k##! %e!.9k#( "#!""$#! Me!"e.#h$ 3#"#/#!# e!"#r$h e/#(#!"#! r#!"k##! %e!.9k#(

    "#!""$#! #%# ((.e/ ek(.#(

    1( B$4$s$n ,$s$l$h

    '!.$k &e3h /e/9ok$(k#! e/3#h#(#! royek #khr !, /#(#h y#!"

    % .ek#!k#! %#r .$"#( #khr ! %3#.#( #%# 3e3er## r!7#! (e3#"#

    3erk$. :

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    r#!"k##! %e!.9k#( "#!""$#! $!.$k /e!"%e!.9k#( ($/3er

    "#!""$#!

    2 )#"#! ((.e/ ek(.#( y#!" #k#! %3$#.k#! r#!"k##! %e!.9k#(

    "#!""$#!4 Mo%e& er#!7#!"#! r#!"k#! %e!.9k#( "#!""$#! #%# ((.e/ ek(.#(

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    Proyek Akhr ! .er3#" %#/ &/# 3#3 )#3 (#.$ /e/3#h#(

    /e!"e!# e!%#h$&$#! y#!" 3er( .#r 3ek#!" /#(#h, (er.#

    er/#(#h#! ## (#-# y#!" !"! %3#h#(, 3#3 %$# /e/3#h#( .eor %#(#r

    /e!"e!# /#.er e!$!-#!" y#!" /e#k& ( royek #khr !, 3#3 ."#

    /e/3#h#( /e.o%e y#!" %#k# %#/ /e!"/&e/e!.#(k#! .eor %#!

    ko!(e ke %#/ e!ye&e(##! /#(#h, 3#3 e/#. /e/3#h#( /e!"e!#

    h#(& #!#&(# %#! e!ye&e(##! /#(#h y#!" %3#h#(, %#! 3#3 .er#khr y#.$

    3#3 &/# /e/3#h#( ke(/$! y#!" %.#rk %#r h#(& e!"k#-#! (e&$r$h

    3#3

    BAB II

    LANDASAN TEORI

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    Ek(.#( #%#h 3#"#! %#r ((.e/ %#r "e!er#.or y#!" 3er9$!"(

    /e/3e!.$k/e!"h#(&k#! 9&$k( y#!" 3er$3#h .erh#%# #k.$, (eh!""#

    %h#(&k#! (#.$ GGL !%$k( Se.eh "e!er#.or A@ /e!7## ke7e#.#! !o/!#&,

    /e%#!!y# %ek(.#( %#r 7#.$ D@ Ke.k# k$.$3 &e#. % 3##h ko!%$k.or -#!"k#r,

    9&$k( /e%#! y#!" /e/o.o!" ko!%$k.or /e!"!%$k(k#! GGL #%# ko!%$k.or

    -#!"k#r )e(#r!y# GGL y#!" %3#!"k.k#! .er"#!.$!" #%# -$ e/o.o!"#! "#r(

    "#y# >ke7e#.#! ro.or? %#! k$#. /e%#! K#re!# "e!er#.or ke3#!y#k#! 3erker-#

    #%# ke7e#.#! ko!(.#!, /#k# 3e(#r!y# GGL y#!" %3#!"k.k#! /e!-#%

    3er"#!.$!" #%# ek(.#( /e%#!

    2(1P'insi% Ke'6$ Gene'$4*'

    Ge!er#.or 3eker-# 3er%#(#rk#! h$k$/ 9#r#%#y y#k! ##3 ($#.$

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    ""& >"#r( "#y# &(.rk? y#!" /e/$!y# (#.$#! 8o&.Te"#!"#! y#!" %h#(&k#! .er%##. #%# k$/#r#! -#!"k#r %#!

    .er"#!.$!" %#r k$#. /e%#! #%# ro.or %#! ke7e#.#!!y# )e(#r ke7&!y#

    9&$k( .er"#!.$!" %#r #r$( y#!" %3erk#! #%# k$/#r#! /e%#! ro.or Jk#

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    "e!er#.or .er"#!.$!" #%# k$#. &e/#h!y# #r$( #%# k$/#r#! /e%#! ro.or

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    ;

    G#/3#r 21 Ske/# Pr!( Ker-# Ge!er#.or

    A%#$! r!( ker-# %#r "e!er#.or (e7#r# $/$/ #%#h (e3#"#

    3erk$. :1 K$/#r#! /e%#! y#!" .er%##. #%# ro.or %h$3$!"k#! %e!"#! ($/3er

    ek(.#( .er.e!.$ y#!" #k#! /e!($ #r$( (e#r#h .erh#%# k$/#r#!

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    /e%#! /#k# #k#! /e!/3$&k#! 9&$k( y#!" 3e(#r!y# .erh#%# #k.$

    #%#h .e.#2 Pe!""er#k /$ >Prime Mover? y#!" ($%#h .erkoe& %e!"#! ro.or (e"er#

    %oer#(k#! (eh!""# ro.or #k#! 3er$.#r #%# ke7e#.#! !o/!#&!y#4 Per$.#r#! ro.or .er(e3$. (ek#&"$( #k#! /e/$.#r /e%#! /#"!e. y#!"

    %h#(&k#! o&eh k$/#r#! /e%#! Me%#! $.#r y#!" %h#(&k#! #%#

    ro.or, #k#! %!%$k(k#! #%# k$/#r#! -#!"k#r (eh!""# #%# k$/#r#!

    -#!"k#r y#!" .er&e.#k % (.#.or #k#! %h#(&k#! 9&$k( /#"!e.k y#!"

    3er$3#h*$3#h 3e(#r!y# .erh#%# #k.$ A%#!y# er$3#h#! 9&$k(

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    +

    /#"!e.k y#!" /e&!"k$ ($#.$ k$/#r#! #k#! /e!/3$&k#! ""& !%$k(

    #%# $-$!"*$-$!" k$/#r#! .er(e3$., h#& .er(e3$. (e($# %e!"#!

    Per(#/##! 21 %#! Per(#/##! 22 3erk$. :

    e=N

    d

    dt 21

    e=Nd max sint

    dt

    N max cost > =2f ?

    N(2 f)max cost > f=np120 ?

    N(2 np120 )max cost

    N(2.3,14 np120 )max cost

    Em=N(2.3,14 np120 )max

    Eeff=Emax

    2=

    N(2.3,14 np120 )max2

    4,44Npnmax

    120 4,44Np

    120=C

    Eeff=Cnmax 22

    %/#!# :Em B ""& !%$k( /#k(/$/ >Co&.?

    Eeff B ""& !%$k( e9ek.9 >N y#!" .er3#7# #%# #. $k$r?

    N B -$/h &&.#!

    e B ""& !%$k( %#/ ke#%##! .r#!(e!. >Co&.?

    C B ko!(.#!.#

    f B 9rek$e!( >Her.6?

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    n B $.#r#! ro.or >r/?

    max B 9&$k( /#"!e.k /#k(/$/ >e3er?

    '!.$k "e!er#.or (!kro! ."# 9#(#, h#r$( #%# ."# 3e&.#! y#!"

    /#(!"*/#(!" .er(#h (e3e(#r 120 %er#-#. &(.rk %#/ r$#!" (ek.#r

    ke&&!" 7eh $%#r# (eer. %er&h#.k#! #%# k$/#r#! # #, 3 3 %#! 7

    7 #%# "#/3#r 22 M#(!"*/#(!" &&.#! #k#! /e!"h#(&k#! "e&o/3#!"

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    y#!" /er$#k#! 9$!"( .e/#. > ? %#! #k.$ > t ?, /#k# 3e(#r* 3e(#r!y#

    9&$k( .o.#& #%#h:

    T( , t)=max .costmax .cos (t240 ) .cos (240 )

    De!"#! /e/#k# .r#!(9or/#( .r"o!o/e.r %#r :

    cos .cos=12 .cos (+ )+ 12 .cos()

    /#k# %#r er(#/##! %#.#( %ero&eh :

    (t+ )+1

    2.max .cos (t )+

    1

    2.max .cos (t+240 )+

    1

    2.max .cos (t )+

    1

    2.max .co

    T=1

    2.max .cos

    D#r er(#/##! %#.#(, 3 %$r#k#! /#k# ($k$ ke(#.$, ke."#, %#! ke&/#

    #k#! (!" /e!"h!"k#! De!"#! %e/k#! %#r er(#/##! #k#! %%##.

    9&$k( .o.#& (e3e(#r,

    T=3

    2max .cos (t) e3erFFFFFFFFFFFFFF2

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    P#%# ((.e/ .e!#"# &(.rk 4 9#(#, %e#&!y# %#y# &(.rk y#!" %3#!"k.k#!

    %(#&$rk#! %#! %(er# o&eh 3e3#! (e/$#!y# (e/3#!", P e/3#!"k.#! B P

    e/#k#! %#! -$"# #%# .e"#!"#! y#!" (e/3#!" P#%# .e"#!"#! y#!"

    (e/3#!" .er%r %#r .e"#!"#! 1 9#(# y#!" /e/$!y# /#"!.$%e %#!

    9rek$e!( y#!" (#/# .e.# #!.#r# 1 9#(# %e!"#! y#!" !!y# /e/$!y#

    3e%# 9#(# (e3e(#r 120&(.rk %#! %##. %h$3$!"k#! (e7#r# 3!.#!" >Y? #.#$

    (e"."# >%e&.#?

    G#/3#r 24 H$3$!"#! )!.#!"

    P#%# h$3$!"#! 3!.#!" >Y?, $-$!"*$-$!" .# 9#(# %h$3$!"k#! /e!-#%

    (#.$ %#! /e!-#% ..k !e.r#& #.#$ ..k 3!.#!" Te"#!"#! #!.#r# %$# .er/!#&

    %#r ."# .er/!#& R*S*T /e/$!y# 3e(#r /#"!.$%e %#! 3e%# 9#(# y#!"

    3er3e%# %e!"#! .e"#!"#! .# .er/!#& .erh#%# ..k !e.r#& Te"#!"#! #!.#r

    9#(# %e!"#! !e.r#& %(e3$. %e!"#! .e"#!"#! Vp ? %#! .e"#!"#!

    #!.#r# $-$!" .er/!#& %e!"#! .er/!#& !!y# %(e3$. %e!"#! .e"#!"#! &!e >

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    VL ? De!"#! #%#!y# ..k !e.r#& /#k# 3e(#r#! .e"#!"#! 9#(# % $k$r

    .erh#%# ..k !e.r#&!y# %#! -$"# /e/3e!.$k ((.e/ .e"#!"#! 4 9#(# y#!"

    (e/3#!" %e!"#! /#"!.$%e!y# >#k#r 4 %k#& /#"!.$%e %#r .e"#!"#! 9#(#?

    VL=3 .VP FFFFFFFFFFFFFFFFFFFFFFF25

    Se%#!"k#! #r$( y#!" /e!"#&r #%# .# 9#(#!y# /e/$!y# ! y#!" (#/#

    L=P

    G#/3#r 2 H$3$!"#! Se"."#

    P#%# h$3$!"#! (e"."# ke."# 9#(# (#&!" %h$3$!"k#! (eh!""#

    /e/3e!.$k h$3$!"#! (e"."# 4 9#(# De!"#! .%#k #%#!y# ..k !e.r#&, /#k#

    3e(#r!y# .e"#!"#! (#&$r#! % $k$r #!.#r 9#(#, k#re!# .e"#!"#! (#&$r#! %#!

    .e"#!"#! 9#(# /e/$!y# 3e(#r /#"!.$%e y#!" (#/#, /#k#:

    VL=VP

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    12

    Te.# #r$( (#&$r#! %#! #r$( 9#(# .%#k (#/# %#! h$3$!"#! #!.#r# ke%$# #r$(

    .er(e3$. %##. %ero&eh %e!"#! /e!""$!#k#! h$k$/ kr7ho99, (eh!""#:

    L=3. P FFFFFFFFFFFFFFFFFFFFFFFFFF2;

    P#%# PLTG' Gre(k "e!er#.or y#!" %"$!#k#! #%#h "e!er#.or

    (!kro! k$.$3 (&!%r( >non salient pole? %e!"#! %$# 3$#h k$.$3 %#! %-#"#

    #%# $.#r#! 4000 r/

    T#3e& Se(9k#( .ek!( "e!er#.or #%# PLTG' Gre(k

    SIEMENS

    GENERATOR 12+52; 11

    TLR 10=4; 50 !1

    LE

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    14

    S(.e/ ek(.#( #%#h ((.e/ /e!"#&r!y# #(ok#! &(.rk #r$( (e#r#h

    (e3#"# e!"$#.#! #%# "e!er#.or &(.rk, (eh!""# /e!"h#(&k#! .e!#"#

    &(.rk %#! 3e(#r .e"#!"#! ke&$#r#! 3er"#!.$!" #%# 3e(#r!y# #r$( ek(.#(

    S(.e/ ek(.#( #%# "e!er#.or &(.rk .er%r %#r 2 /#7#/, y#.$:1 S(.e/ ek(.#( %e!"#! (k#. >brush ?2 S(.e/ ek(.#( .#!# (k#. >brushless ?

    2(2(1 Sis4e, E&si4$si Den.$n Si&$4

    S(.e/ ek(.#( /e!""$!#k#! (k#., ($/3er .e!#"# &(.rk

    3er#(#& %#r ($/3er &(.rk y#!" 3er#(#& %#r "e!er#.or #r$( (e#r#h

    >D@? #.#$ "e!er#.or #r$( 3ok 3#&k >A@? y#!" %(e#r#hk#! .er&e3h

    %#h$&$ %e!"#! /e!""$!#k#! rectifier Jk# /e!""$!#k#! ($/3er

    &(.rk y#!" 3er#(#& %#r "e!er#.or A@ #.#$ /e!""$!#k#! Permanent

    Magnet Generator >PMG? /e%#! /#"!e.!y# #%#h /#"!e.

    er/#!e! D#/ #!e& e!ye#r#h, .e"#!"#! &(.rk #r$( 3ok 3#&k

    %$3#h #.#$ % (e#r#hk#! /e!-#% .e"#!"#! #r$( (e#r#h $!.$k

    /e!"o!.ro& k$/#r#! /e%#! ek(.er $.#/# >main exciter? '!.$k

    /e!"#&rk#! #r$( ek(.#( %#r /#! ek(.er ke ro.or "e!er#.or

    /e!""$!#k#! slip ring%#! (k#. #r#!", %e/k#! -$"# e!y#&$r#!

    #r$( y#!" 3er#(#& %#rpilot exciterke main exciterKe$!.$!"#! /e!""$!#k#! ((.e/ ek(.#( %e!"#! (k#.

    >brush ? #!.#r# !:

    ! Me/$!y# re(o! y#!" 7e#. (er!" ke/#/$#! governor

    turbine!

    2 Me/&k 3#.#(#! #r$( ek(.#( y#!" .!""

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    1

    4 S$/3er .e"#!"#! ek(.#( %#/3& !"($!" %#r ke&$#r#!

    "e!er#.or

    '!.$k #r$( ek(.#( y#!" /#($k ke ro.or "e!er#.or h#r$(

    %#.$r (e%e/k#! r$# (eh!""#:

    1 Me!/3$&k#! .e"#!"#! (.#.or #%# #k.$ y#!" (!"k#. /e!$-$

    (!kro!(#(

    2 Me!(.#3&k#! supply%#y# &(.rk M %#! MCAR ke ((.e/

    4 Me!-#"# .e"#!"#! "e!er#.or #"#r .e.# 3er#%# %#/ 3#.#(#!

    !o/!#& y#!" %-!k#! >5 Te"#!"#! !o/!#& "e!er#.or?

    G#/3#r 25( S(.e/ ek(.#( %e!"#! (k#. >"rush ?

    Sis4e, E&si4$si T$n%$ Si&$4

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    15

    Pe!""$!##! (k#. #.#$ (& r!" $!.$k /e!y#&$rk#! #r$(

    ek(.#( ke ro.or "e!er#.or /e/$!y# ke&e/#h#! k#re!# 3e(#r!y#

    #r$( y#!" /#/$ %#&rk#! #%# (k#. #r#!" re.9 ke7& '!.$k

    /e!"#.#( ke.er3#.#(#! (k#. #r#!", #%# "e!er#.or e/3#!"k.

    /e!""$!#k#! ((.e/ ek(.#( .#!# /e!""$!#k#! (k#. >brushless?Ke$!.$!"#! ((.e/ ek(.#( .#!# /e!""$!#k#! (k#.

    >brushless ?, #!.#r# ! #%#h:

    1 E!er" y#!" %er&$k#! $!.$k ek(.#( %ero&eh %#r oro(

    $.#/# >main shaft?, (eh!""# ke#!%#!!y# .!""

    2 )#y# er##.#! 3erk$r#!" k#re!# #%# ((.e/ ek(.#( .#!#

    (k#. >brushless ? .%#k .er%##. (k#., ko/$.#.or %#! (& r!"

    4 P#%# ((.e/ ek(.#( .#!# (k#. >brushless ? .%#k .er-#%

    ker$(#k#! (o( k#re!# /e&ek#.!y# %e3$ k#r3o! #%# 9#r!(h

    #k3#. (k#. #r#!"

    Me!"$r#!" ker$(#k#! >trouble? #k3#. $%#r# 3$r$k >bad

    atmosphere? (e3#3 (e/$# er#.#! %.e/#.k#! #%# r$#!"

    .er.$.$

    5 Se/# oer#( .%#k %er&$k#! e!""#!. (k#., (eh!""#

    /e!!"k#.k#! ke#!%#! oer#( %##. 3er!"($!" ko!.!$

    #%# #k.$ y#!" /#

    ; Pe/$.$( /e%#! "e!er#.or >Generator field breaker?, field

    generator%#! bus exciter#.#$ k#3e& .%#k %er&$k#! "

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    1;

    + )#y# o!%#( 3erk$r#!", (e3#3 #&r#! $%#r# %#! bus exciter

    #.#$ k#3e& .%#k /e/er&$k#! o!%#(

    G#/3#r 2; S(.e/ ek(.#( .#!# (k#. >"rushless ?

    2(2 Sis4e, P'*4e&si E&si4$si

    S$#.$ ((.e/ ek(.#( h#r$( (e&$ %&e!"k# %e!"#! ($#.$ ((.e/

    ro.ek(, h#& ! 3er.$-$#! $!.$k (#r#!# e!"#/#! ((.e/ ek(.#( 3 .er-#%

    "#!""$#! y#!" %##. /e!ye3#3k#! ker$(#k#! ((.e/ ek(.#( (eh!""# 3(#

    /e/!/#&(r ker$(#k#! #%# ((.e/ ek(.#( %#! ((.e/*((.e/ !!y#

    y#!" 3erh$3$!"#! %e!"#! ((.e/ ek(.#(

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    1+

    D#/ e!"oer#(#! ((.e/ ek(.#( -$"# er&$ %erh#.k#!

    "#!""$#!*"#!""$#! y#!" %##. /e!ye3#3k#! #r/ %#! .r #%# ((.e/

    #k(.#( S!y#&*(!y#& y#!" /e!ye3#3k#! #r/ %#! .r #%# ((.e/ ek(.#(

    #!.#r# !:

    1 Tr#!(9or/#.or ek(.#( o8er he#.!"

    G#!""$#! ! 3(# %(e3#3k#! k#re!# ((.e/ e!%!"! #%#

    .r#!(9or/#.or ek(.#( .%#k 3eker-# (e7#r# !or/#& Se! .$ -$"# 3(#

    .er-#% k#re!# .r#!(9or/#.or ek(.#( /e!"#/ o8er&o#% %#! .er-#%!y#

    h$3$!" (!"k#. #!.#r 3e&.#! H#& ! /e!"#k3#.k#! ro(e( 7#.$ %#y#

    ((.e/ ek(.#( 3er/#(#h (eh!""# #&r#! ek(.#( ke ro.or "e!er#.or

    /e!-#% .%#k !or/#&

    2 Se!(or .e"#!"#! #%# CT "e!er#.or /e!"#/ "#!""$#!

    G#!""$#! ! /e!"#k3#.k#! ro(e( /o!.or!" .e"#!"#! %#!

    ro.ek( #%# ((.e/ ek(.#( /e!"#/ k#k#7#$#! H#& ! (#!"#.

    3er3#h#y# 3#" "e!er#.or k#re!# -k# ro.ek( /e!-#% .%#k !or/#&

    /#k# #%# (##. .er-#% "#!""$#! #%# "e!er#.or, ((.e/ ro.ek(

    "e!er#.or .%#k %##. 3eker-# (e7#r# !or/#&

    4 G#!""$#! A@overvoltage

    G#!""$#! ! /e!"#k3#.#k#! ke.%#k!or/#! supply #r$(

    ek(.#( #%# ro.or "e!er#.or K#re!# ($&y .e"#!"#! y#!"

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    %h#(&k#! /e!-#% .%#k !or/#& -$"#

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    1=

    #! Rotor overvoltage

    G#!""$#! ! .er-#% k#re!# .er-#%!y# ke!#k#! .e"#!"#!

    ek(.#( #%# ro.or "e!er#.or, ek(.#( y#!" &e3h #%# "e!er#.or %##.

    /e!#kk#! .e/er#.$r #%# 3e&.#! (.#.or #k3#. #r$( y#!" 3e(#r

    (eh!""# %##. /er$(#k 3e&.#! ro.or

    5 M@) .r

    M@) .r /e!"#k3#.k#! .er$.$(!y# 7#.$ %#y# #%# ((.e/

    ek(.#( "e!er#.or

    ; $hyrstor9$(e $.$(

    G#!""$#! ! /e!ye3#3k#! .er$.$(!y# 7#.$ %#y# /e!$-$

    thyrstor (eh!""# /e!ye3#3k#! .%#k #%#!y# .e"#!"#! y#!"

    %(e#r#hk#!

    + Fan thyrstor3er/#(#h >(e!(or air flo%3eker-#?

    S##. 3eroer#( thyrstor #k#! /e!"#/ ke!#k#!

    .e/er#.$re, $!.$k /e!"o!.ro& .e/er#.$re #%# thyrstor (##.

    3eroer#( %"$!#k#! 9#! Jk# .er-#% /#(#h #%# 9#! /#k#

    .e/er#.$re #%# thyrstor#k#! .er$( !#k (eh!""# .er-#% o8er he#.!",

    h#& ! %##. /e!ye3#3k#! ke.%#k !or/#! #%# thyrstor (eh!""#

    #r$( ek(.#( y#!" %#&rk#! #%# ro.or #k#! /e!-#% .%#k !or/#&

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    1

    = LimiterACR .er7##

    Limiter ACR .er7## /e!"#k3#.k#! .r #%# ((.e/ ek(.#(

    (eh!""# #&r#! #r$( ek(.#( #%# ro.or "e!er#.or /e!-#% .er$.$(

    ACR /e!"#/ "#!""$#!

    Jk# .er-#% "#!""$#! #%# ((.e/ ACR /e!ye3#3k#! ro(e(

    ko!.ro& #%# ((.e/ ek(.#( /e!-#% .er"#!""$ (eh!""# #&r#! #r$(

    ek(.#( #%# ro.or "e!er#.or /e!-#% .%#k !or/#& %#! %##. -$"#

    /e!"#k3#.k#! "e!er#.or keh!"#! /e%#! e!"$#.

    10 Field breaker/e!"#/ "#!""$#!

    Jk# field breaker /e!"#/ "#!""$#! /e!ye3#3k#!

    .er$$.$(!y# #&r#! #r$( ek(.#( #%# "e!er#.or %#! /e!"#k3#.k#!

    "e!er#.or keh!"#! /e%#! e!"$#.

    ! Ground Fault

    G#!""$#! ground fault .er-#% k#re!# h$3$!" (!"k#. #!.#r#

    r#!"k##! ((.e/ ek(.#( %e!"#! 3o% #!e& ek(.#( H#& ! 3(# .er-#%

    k#re!# ke"#"#! (o( #%# ko!%$k.or

    D#/ e!er##! %#!"#! $!.$k /e/ro.ek( ((.e/ ek(.#( %#r

    "#!""$#!*"#!""$#!, ((.e/ ek(.#( %&e!"k# %e!"#! ((.e/ ro.ek(

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    20

    G#/3#r 2= /er$#k#! ((.e/ ro.ek( ek(.#( "e!er#.or #%# PLTG'

    Gre(k

    G#/3#r 2+ S(.e/ Pro.ek( Pe!"$#. Ge!er#.or #%# PLTG' Gre(k

    Ke.er#!"#! G#/3#r:

    @JN : S(.e/ Ek(.#(

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    D#r "#/3#r 2+ %#.#( #%# 2 /#($k#! y#!" /e!"r/ (!y#& .r ke

    .r!" /#.rk y#.$ %#r !.er!#& ((.e/ ek(.#( %#! Loss of field protection

    relay >0G? H#& ! /e!$!-$k#! 3#h# ((.e/ ro.ek( e!"$#. "e!er#.or

    #%# 2 /#7#/, y#.$:

    1 Pro.ek( excitation faiure #.#$ ke"#"#! ek(.#(2 Loss Of field Protection #.#$ ro.ek( keh!"#! /e%#! e!"$#.

    2(8(1 P'*4e&siExcitation Failure$4$u Ke.$.$l$n E&si4$si

    S(.e/ ro.ek( excitation Failure ! /er$#k#! ro.ek(

    ek(.#( y#!" /e!"#/#!k#! er#.#! %#r "#!""$#! !.er!#& ((.e/

    ek(.#( .$ (e!%r G#/3#r 2= /er$#k#! &o"7 %#"r#/ excitation

    Failure P#%# PLTG' Gre(k

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    G#/3#r 2= Logic excitation Failure!

    '!(!' Loss Of field Protection atau Kehil$n.$n Me$nPen.u$4

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    G#!""$#! h!" e!"$#. "e!er#.or #%#h ko!%( #3!or/#&

    oer#( ((.e/ .e!#"# %/#!# "e!er#.or .%#k /e!%##.k#! ($

    #r$( %7 (e3#"# #r$( ek(.#( #"#r %h#(&k#! .e"#!"#! ke&$#r#!

    #%# .er/!#& (.#.or Ke"#"#! %#/ ((.e/ ek(.#( ! %##.

    %(e3#3k#! o&eh :1 )re#ker /e%#! /e!"#/ .r2 H$3$!" 3$k# 3e&.#! /e%#!4 H$3$!" (!"k#. 3e&.#! /e%#! >er7k#! # #%# (& r!"? Ke"#"#! #%# ((.e/)utomatic *oltage Regulator>ACR?5 H!"!y# ($ %#y# ke ((.e/ ek(.#(

    Ak3#. %#r "#!""$#! ! #%#h ko&!" /#"!e.k >magnetic

    coupling? #!.#r# ro.or %#! (.#.or /e&e/#h, (eh!""# $.#r#! ro.or

    3er.#/3#h 7e#. (eh!""# 3(# .er-#% keh!"#! ke(ere/#k#!

    >loss of synchronism? %#! /e!"#k3#.k#! "e!er#.or 3eker-# (e3#"#

    "e!er#.or !%$k(, y#!" #k#! /e!ye3#3k#! :

    1 Ter-#%!y# e!"#/3! %#y# re#k.9 %#r ((.e/ o&eh "e!er#.or

    $!.$k %"$!#k#! (e3#"# ek(.#( )e(#r!y# %#y# re#k.9 y#!"

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    /e!/3$&k#! ke.%#k(.#3! #%# ((.e/2 N#k!y# .e/er#.$r ro.or y#!" %(e3#3k#! k#re!# e!"#&r#!

    #r$( !%$k( y#!" 3e(#r, (eh!""# /e!ye3#3k#! er$3#h#! (9#.

    /ek#!( er#.#!*er#.#! #%# ro.or

    4 Pe!$r$!#! .e"#!"#! .er/!#& "e!er#.or %e!"#! 7e#. >10 * 15

    %e.k?, .er$.#/# #%# "e!er#.or .#!# ACR

    Ke!#k#! .e/er#.$r #%# (.#.or #k3#. !#k!y# #r$( (.#.or >2

    n ?

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    2

    P#%# (##. "e!er#.or /e!"#/ h$3$!" (!"k#. (e7#r# .3#*

    .3#, /#k# $!.$k (e(##. $.#r#! "e!er#.or #k#! /e!"#/

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    (& $.#r#! "e!er#.or .erh#%# ((.e/ #k#! /e!"#k3#.k#!

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