국내 플랜트 기술개발 동향 - ksme.or.kr

1 CO2 THEME 01 THEME 02 THEME 03 THEME 04 THEME 05 : ( ) 28 / e-mail : e-mail : e-mail : e-mail : 01 THEME (Supercritical carbon dioxide; sCO2) ( 1) , , . 2~5%p ( 35% ) , 5~15% . sCO2 , ( 100 GWe , 1% 1,000 MWe 1 ). , 90% , , , , 2030 20%.

2 70% (Rankine) . , .. , . sCO2 (Brayton) . (sCO2) , (2-5%p ) ( 35% ) 2018. 2., Vol. 58, No. 2 29 THEME 01 ( 2). , , , . , , , . , sCO2 ( ) , 70 . sCO2 ( 200 : 1, sCO2 2 3 : 1).

3 , . , . , . 1,800rpm 3,600rpm , sCO2 rpm . , , , sCO2 . , (Axial force) . , (Rotor 1 (sCO2) 2 sCO2 - 30 dynamics) . (Leakage) , .. sCO2 , (Recuperating) .. CO2-CO2 (Diffusion bonding) (PCHE: Printed Circuit Heat Exchanger) , PCHE . sCO2 , sCO2 / / . sCO2 sCO2 , 2000 (Sodium-cooled Fast Reactor).

4 2014 sCO2 (cross-cutting) (export control) , 2016 (DOE) STEP(Supercritical Transfor-mational Electric Power) Program 10 MWe sCO2 . , Sandia National Lab.(SNL) 2005 sCO2 , 2011 125kWe (Hermetic) - - (TAC: Turbine-Alternator-Compressor) 2 500 C 250kWe , 480 C/105bar 15kWe . Bechtel Marine Propulsion Corporation (BMPC) 2009 100kWe sCO2 , SNL . 1 Turbo-Compressor(TC) 1 Turbo-Generator(TG) 300 C (Simple-recuperated) , 2014 282 C/141bar 40kWe . SouthWest Research Institute(SwRI) GE Global Research 2012 700 CTHEME 01 3 SWRI sCO2 1MW [ SWRI(southwest research institute)]2018. 2., Vol. 58, No.

5 2 31/250bar 14MW Dry Gas Seal 4 (Axial) , 2017 1MW ( 3). Echogen 1 1 (Dry Gas Seal Tilting-pad ) 485 C 8 MWe 2014 275 C . zero-emission (Direct-fired) sCO2 ( , Allam Cycle) 8 Rivers, Toshiba NetPower 50 MWth sCO2 , 2017 .( 4) sCO2 . sCO2 . KAIST sCO2 , KAIST . 2015 sCO2 , 2017 . sCO2 . , , , MW sCO2 . ( ) 500 C sCO2 2013 , 4.

6 2013 12 / THEME 01 4 NetPower 50 MWth sCO2 ( , NetPower ) 5 (Radial) sCO2 32 180 C/130 10kWe sCO2 (Radial) - - , 2014 11 Full-cycle , . , sub-kWe sCO2 ( 5) , 2016 170 C/100 670We, 400We, 37min . , - (Axial) sCO2 ( 6) . , (Axial force) (Axial) (Impulse) , (Mechanical seal) , (windage loss) . 2017 7 205 C/100bar , 45 , 11kWe .. sCO2 (sCO2) , , , (Cross-cutting) . , / /.

7 SCO2 , 6 (Axial) sCO2 THEME 01 2018. 2., Vol. 58, No. 2 33 THEME 02 e-mail : e-mail : e-mail : CO2 ( , , - , , ) . CO2 . 10 20%, 30 40%, CO2 30 50% . CO2 . CO2 1/5, 1/20 . CO2 ( 31 C) . CO2 , , . 20.

8 CO2 . CO2 1960 1970 , , , , . CO2 , 1 DOE .. CO2 , . , CO2 MWe CO2 , . , CO2 CO2 02 THEME34 , . (seal) CO2 , . CO2 . CO2 CO2.

9 250kW CO2 .. CO2 CO2 Rankine cycle Bryton cycle , Rankine cycle .. CO2 - , . , .THEME 02 CO2 CO2 , , ApplicationOrganizationMotivationSize[MW e]Temperature[ C]Pressure [Bar]NuclearDOE-NEEfficiency, Size300-1000400-800350 Fossil FuelDOE-FEEfficiency, Water Reduction500-1000550-1200150-350 ConcentratedSolar PowerDOE-EEEfficiency, Size, Water Reduction10, 100500-1000350 ShipboardPropulsionDOE-NNSASize, Efficiency10, 100400-800350 ShipboardHouse PowerONRSize, Efficiency<1, 1, 10230-650150-350 Waste HeatRecoveryDOE-EEONRSize, Efficiency, Simple Cycles1, 10, 100<230, 230-65015-350 GeothermalDOE-EEREE fficiency, Working fluid1, 10, 50100-300150 1 DOE CO2 ( : 1st European Seminar on Supercritical CO2 Power Systems, 29 Sep 2016, Wlen, Austria2018.)

10 2., Vol. 58, No. 2 35 THEME 02 CO2 CO2 CO2 . , , , , . CO2 . CO2 . CO2 , .. , . , , 5,000rpm . CO2 . - , back to back CO2 . CO2 bar . CO2 CO2 . (hermetic).