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500MW Retrofit
500MW
Power Plant : (), ()
Journal of the KSME
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32
() e-mail : [email protected]
, ,
.
, , IT . 500MW . .
, . AspenTech, Honeywell,ABB, Invensys, Pavillion ,
. AspenTech , Invensys , . . , Unit Loop Sequence
1 To-Be Model
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2015. 9., Vol. 55, No. 9 33
. 1990 . . 1 , , .
1 (11.11.)
. , , , . , , . . 2 3,4. , 1Gbps , 10Mbps SerialI/O , .
2 1
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34
EWS (5 ), Platform , HMI Drag &Drop, Quick Trend Historian
Alarm Log . Update Data , . , , Platform , , Data
, . 2 .
3
4 HMI, EWS
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2015. 9., Vol. 55, No. 9 35
.
2007 . () . . .
1 5 .
6 1
5
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() e-mail : [email protected]
Ring Segment 1,2
.
36
2010 5 718.4MW( 2, 1) . 2010 2015 54% . . , , .
. , , ,. , Track-record , .
1~3 (Ring segment) Rotor Blade . 1 Blade 2 Blade. M501G 1,500,
609.7, 4
1 Ring Segment 2 Ring Segment 3 Ring Segment
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2015. 9., Vol. 55, No. 9 37
, 1 2 Ring Segment 48, Ring Segment Sealplate . Hole Gas Path
TBC Coating ,MGA2400 Inconel 939. Rotor Blade misalignment Rubbing
2.5mm.
1,500 Ring Segment , MHI SIEMENS . , . Ring Segment , , , .,
, cleaning . , . , . , ,
. . , , X-ray , Eddy current , , , .Combustor Section OEM TBC
12,000EOH , GE 24,000EOH Super B . TBC ( 1 ) 500 Super B . . . , .
20~40% User ,
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. . , , .
.
(Super alloy) . (TBC) . , , . NDT . 1. 3D
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ICP
(SJ-301), , EDS ,
, , Test
()
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2015. 9., Vol. 55, No. 9 39
. 3 3D . X-RAY . . Tooling Point , . Revision 0 Update . . . ()
3D . 3D . .( 5)
. ( ) ()
. . , () . , () 47 . .( 6)
TBC TBC(Thermal Barrier Coatings) , 1 2 Ring Segment 1, 2 Bond .
1 Ring Segment HVOF CoNiCrAlY Bond APS Y2O3-ZrO2 Top . 2 Bond Top .
.( 7, 8)
6
5
7 Bond Coating 8 Top Coating
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Air Flow Test Air Flow Test . Air FlowTester 1, 2 Ring Segment
OEM .
,
. . Ring Segmen Bypass Elbow 2015 10 . , Blade Vane.
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2015. 9., Vol. 55, No. 9 41
500MW Retrofit
() e-mail : [email protected]
500MW 3
Retrofit .
1993500MW 3 2023 30500MW 20. 3 , Retrofit.
500MW Retrofit
3 1 , 1990 20 500MW 20 , , CO2.
CO2 500MW , 500MW . 20 500MW 5% CO2 , 10% 1,000MW . . 2011 500MW
2014 , 2015 500MW Retrofit(550MW)(/) , ,
1
3~6
(4 Unit)
5~6
(2 Unit)
1~4
(4 Unit)
1~6
(6 Unit)
1~4
(4 Unit)
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500MW Retrofit
42
3 2019.
10 20 , . , , , 1~2 . 500MW 1 1.5
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(Retrofit), , , . (Repowering), 30 100% . ,
3
10
Creep 50%
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.
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2015. 9., Vol. 55, No. 9 43
, , . 6 , (Retrofit) .
3Retrofit
3 , , , , 20. 2009 , 2011 500MW 5 Retrofit. 2014 3 6
. 2 , 30 . , 80% 60% , . 2025, 2019 2019
. , CO2 , , Retrofit Repowering , , , Retrofit . ,
, 500MW, 538 550MW, 593. (5,7005,300kcal/kg), NOx (200150ppm),
2%p ( 3.4%p), 125,076t/, CO2 263t/B/C ratio 1.2. 3~6 481/, 428 ,
351/1,260CO2.
Rertofit
Retrofit
,
,
,
USC
Retrofit
.
1 Rertofit
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500MW Retrofit
44
3Retrofit
Retrofit( Retrofit) Risk. Retrofit Risk , / Supply Chain / . 9
., , , , , , ( 60%), ( 69%) , . 1. , , 2. , 3. 593 /, 4. ,5. LP
Bypass , 6. CRH Pipe A691 , 7. , . 2018 2019 6 ()
. 4~6(3) 3 2022 Retrofit . Retrofit 10% (EPRI) 20% (15) . 3
500MW Power 2, Asian Power Awards 2015 35,500(World Record Academy,
). 1,000MW 3 . 500MW Retrofit Retrofit . 3 .
2
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2015. 9., Vol. 55, No. 9 45
Rankine cycle
1854 William Rankine, 2 2 . , , , .(1)
. . 1 .AW() = Q1() - Q2()= (H4 - H2) - (H5 - H1)= (H5 - H5) -
(H2 - H1)= AWt() - AWp(), .
= = =
H1 - H2 . .
= =H4-H5H4-H2
(H4-H5)-(H2-H1)(H4-H2)-(H2-H1)
(H4-H5)-(H2-H1)H4-H2
AWQ1
500MW
() e-mail : [email protected]
500MW 20 .
1993 20 3-6 20 .
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,
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B : , S : , T : , C : , P : ,
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500MW
46
.
=1-
(), , ().(2) b'-4'-4-b-b' , . . 34 3'4 , . 10% .(3) 3-3'-4'-4-3
, 3-3'-b'-b-3 . 1-2-3-4-1. 34 3'4'
. .(4) P4 P'4 1-4-4'-1'-2'-2-1 . 34 34'. .
H5-H1H4-H1
2 3
4
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2015. 9., Vol. 55, No. 9 47
2011 6, . 1,737T/HR 27T/HR 1,760T/HR . 566.7MW , 15MW .
1.79% . , , .
(1)
Bridge
Dovetail
- : 6
- : 5
Conventional Design
Low Reaction (5%)
'90
() ()
Advanced Aero Design
High Reaction (20~25%)
3
Nozzle Box Type
Dead Arc (341, Partial Arc)
Tangential Entry Dovetail
: ()
Axial Entry Dovetail
: (),
Nozzle Plate Type
Dead Arc (360, Full Arc)
- : 7
- : 6
5 , VWO
Ton/Hr
kW
kcal/kW
1,719
556,528
1,855.9
1,737
551,770
1,887.4
1,760
566,756
1853.7
1.35
2.72
-1.79
(1994)
(2011.6)
(2011.12)
(-)/100
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500MW
48
, Gate Cycle. 500 MW , .
1.
6 2.7%, 1.7% .
2. , Case , , .
3. 10 0.170%p, 10 0.107%p / 538/538610/620 41.13%43.34%, 500MW
581MW . 1% 0.023%, HeatRate 0.023% .
4. 3, , , 610/620, , .
6 Final modeling of power plant
7
8
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